./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/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 ba95b834b27cbcdd4c6d5fb7724b09e9ec143686 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/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 0.1.24-6b5699a [2019-11-26 02:15:19,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:19,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:19,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:19,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:19,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:19,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:19,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:19,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:19,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:19,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:19,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:19,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:19,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:19,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:19,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:19,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:19,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:19,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:19,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:19,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:19,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:19,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:19,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:19,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:19,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:19,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:19,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:19,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:19,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:19,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:19,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:19,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:19,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:19,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:19,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:19,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:19,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:19,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:19,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:19,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:19,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-11-26 02:15:19,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:19,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:19,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:19,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:19,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:19,232 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:19,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:15:19,232 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:19,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:19,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:15:19,233 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:15:19,233 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:19,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:15:19,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:15:19,234 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:15:19,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:19,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:19,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:15:19,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:15:19,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:19,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:19,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:19,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:19,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:19,237 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:15:19,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:19,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:19,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:19,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:19,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:19,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:19,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:19,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:19,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:19,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:19,240 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:15:19,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:15:19,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:19,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:19,241 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_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/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 -> ba95b834b27cbcdd4c6d5fb7724b09e9ec143686 [2019-11-26 02:15:19,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:19,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:19,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:19,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:19,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:19,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2019-11-26 02:15:19,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/data/93c917c3d/db48e8b35db84331a2fb566a0cb6a63a/FLAGc21bad6dd [2019-11-26 02:15:19,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:19,919 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2019-11-26 02:15:19,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/data/93c917c3d/db48e8b35db84331a2fb566a0cb6a63a/FLAGc21bad6dd [2019-11-26 02:15:20,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/bin/utaipan/data/93c917c3d/db48e8b35db84331a2fb566a0cb6a63a [2019-11-26 02:15:20,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:20,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:20,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:20,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:20,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:20,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6429a288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20, skipping insertion in model container [2019-11-26 02:15:20,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:20,368 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:20,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:20,701 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:20,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:20,761 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:20,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20 WrapperNode [2019-11-26 02:15:20,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:20,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:20,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:20,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:20,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:20,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:20,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:20,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:20,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... [2019-11-26 02:15:20,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:20,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:20,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:20,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:20,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33c6e4b7-34be-4e65-8abb-a20db10c3cd7/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 [2019-11-26 02:15:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:22,002 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:22,002 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-26 02:15:22,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:22 BoogieIcfgContainer [2019-11-26 02:15:22,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:22,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:22,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:22,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:22,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:20" (1/3) ... [2019-11-26 02:15:22,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c37a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:22, skipping insertion in model container [2019-11-26 02:15:22,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:20" (2/3) ... [2019-11-26 02:15:22,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c37a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:22, skipping insertion in model container [2019-11-26 02:15:22,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:22" (3/3) ... [2019-11-26 02:15:22,010 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_1-2.c.cil.c [2019-11-26 02:15:22,019 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:22,026 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-11-26 02:15:22,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-11-26 02:15:22,066 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:22,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:22,067 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:22,067 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:22,067 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:22,067 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:22,067 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:22,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2019-11-26 02:15:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:15:22,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:22,102 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:15:22,104 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]=== [2019-11-26 02:15:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:22,111 INFO L82 PathProgramCache]: Analyzing trace with hash 923336743, now seen corresponding path program 1 times [2019-11-26 02:15:22,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:22,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843953945] [2019-11-26 02:15:22,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:22,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843953945] [2019-11-26 02:15:22,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:22,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:22,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814690439] [2019-11-26 02:15:22,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:22,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:22,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:22,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:22,246 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2019-11-26 02:15:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:22,268 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2019-11-26 02:15:22,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:22,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-26 02:15:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:22,280 INFO L225 Difference]: With dead ends: 209 [2019-11-26 02:15:22,281 INFO L226 Difference]: Without dead ends: 106 [2019-11-26 02:15:22,284 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 [2019-11-26 02:15:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-26 02:15:22,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-26 02:15:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-26 02:15:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2019-11-26 02:15:22,324 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 6 [2019-11-26 02:15:22,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:22,325 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2019-11-26 02:15:22,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2019-11-26 02:15:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:15:22,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:22,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:15:22,327 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]=== [2019-11-26 02:15:22,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:22,327 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-11-26 02:15:22,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:22,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891127967] [2019-11-26 02:15:22,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:22,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891127967] [2019-11-26 02:15:22,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:22,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:22,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694690235] [2019-11-26 02:15:22,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:15:22,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:15:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:15:22,388 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2019-11-26 02:15:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:22,575 INFO L93 Difference]: Finished difference Result 215 states and 245 transitions. [2019-11-26 02:15:22,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:15:22,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-26 02:15:22,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:22,577 INFO L225 Difference]: With dead ends: 215 [2019-11-26 02:15:22,577 INFO L226 Difference]: Without dead ends: 111 [2019-11-26 02:15:22,579 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 [2019-11-26 02:15:22,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-26 02:15:22,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 82. [2019-11-26 02:15:22,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-26 02:15:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2019-11-26 02:15:22,589 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 6 [2019-11-26 02:15:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:22,589 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2019-11-26 02:15:22,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:15:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-11-26 02:15:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:15:22,590 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:22,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:22,591 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]=== [2019-11-26 02:15:22,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:22,591 INFO L82 PathProgramCache]: Analyzing trace with hash -243467664, now seen corresponding path program 1 times [2019-11-26 02:15:22,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:22,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000013123] [2019-11-26 02:15:22,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:22,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000013123] [2019-11-26 02:15:22,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:22,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:22,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351696193] [2019-11-26 02:15:22,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:15:22,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:22,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:15:22,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:15:22,668 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 4 states. [2019-11-26 02:15:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:22,769 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2019-11-26 02:15:22,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:15:22,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-26 02:15:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:22,773 INFO L225 Difference]: With dead ends: 120 [2019-11-26 02:15:22,773 INFO L226 Difference]: Without dead ends: 116 [2019-11-26 02:15:22,773 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 [2019-11-26 02:15:22,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-26 02:15:22,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 83. [2019-11-26 02:15:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-26 02:15:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2019-11-26 02:15:22,790 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 8 [2019-11-26 02:15:22,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:22,791 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2019-11-26 02:15:22,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:15:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2019-11-26 02:15:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:15:22,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:22,792 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:22,793 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]=== [2019-11-26 02:15:22,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:22,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1042437145, now seen corresponding path program 1 times [2019-11-26 02:15:22,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:22,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474635504] [2019-11-26 02:15:22,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:22,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474635504] [2019-11-26 02:15:22,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:22,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:22,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651204508] [2019-11-26 02:15:22,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:22,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:22,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:22,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:22,832 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2019-11-26 02:15:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:22,887 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-11-26 02:15:22,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:22,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:15:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:22,889 INFO L225 Difference]: With dead ends: 112 [2019-11-26 02:15:22,889 INFO L226 Difference]: Without dead ends: 110 [2019-11-26 02:15:22,890 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 [2019-11-26 02:15:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-26 02:15:22,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 81. [2019-11-26 02:15:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-26 02:15:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2019-11-26 02:15:22,898 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 9 [2019-11-26 02:15:22,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:22,899 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2019-11-26 02:15:22,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2019-11-26 02:15:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:15:22,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:22,900 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:22,900 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]=== [2019-11-26 02:15:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:22,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1543049127, now seen corresponding path program 1 times [2019-11-26 02:15:22,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:22,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374828190] [2019-11-26 02:15:22,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374828190] [2019-11-26 02:15:23,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:23,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-26 02:15:23,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472855046] [2019-11-26 02:15:23,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:15:23,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:23,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:15:23,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:15:23,135 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 8 states. [2019-11-26 02:15:23,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:23,341 INFO L93 Difference]: Finished difference Result 189 states and 208 transitions. [2019-11-26 02:15:23,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 02:15:23,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-26 02:15:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:23,345 INFO L225 Difference]: With dead ends: 189 [2019-11-26 02:15:23,347 INFO L226 Difference]: Without dead ends: 188 [2019-11-26 02:15:23,347 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-26 02:15:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-26 02:15:23,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 93. [2019-11-26 02:15:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-26 02:15:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2019-11-26 02:15:23,367 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 10 [2019-11-26 02:15:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:23,367 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2019-11-26 02:15:23,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:15:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2019-11-26 02:15:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:15:23,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:23,369 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:23,370 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]=== [2019-11-26 02:15:23,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:23,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1552085599, now seen corresponding path program 1 times [2019-11-26 02:15:23,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:23,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111611389] [2019-11-26 02:15:23,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111611389] [2019-11-26 02:15:23,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:23,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:23,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569926281] [2019-11-26 02:15:23,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:15:23,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:23,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:15:23,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:15:23,427 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand 4 states. [2019-11-26 02:15:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:23,510 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2019-11-26 02:15:23,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:15:23,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 02:15:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:23,513 INFO L225 Difference]: With dead ends: 132 [2019-11-26 02:15:23,513 INFO L226 Difference]: Without dead ends: 130 [2019-11-26 02:15:23,513 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 [2019-11-26 02:15:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-26 02:15:23,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 96. [2019-11-26 02:15:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-26 02:15:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 114 transitions. [2019-11-26 02:15:23,532 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 114 transitions. Word has length 10 [2019-11-26 02:15:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:23,532 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 114 transitions. [2019-11-26 02:15:23,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:15:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2019-11-26 02:15:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:15:23,533 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:23,533 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:23,537 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]=== [2019-11-26 02:15:23,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1156738664, now seen corresponding path program 1 times [2019-11-26 02:15:23,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:23,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524998420] [2019-11-26 02:15:23,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:15:23,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524998420] [2019-11-26 02:15:23,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:23,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:23,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162468475] [2019-11-26 02:15:23,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:15:23,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:23,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:15:23,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:15:23,579 INFO L87 Difference]: Start difference. First operand 96 states and 114 transitions. Second operand 4 states. [2019-11-26 02:15:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:23,679 INFO L93 Difference]: Finished difference Result 135 states and 155 transitions. [2019-11-26 02:15:23,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:15:23,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 02:15:23,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:23,681 INFO L225 Difference]: With dead ends: 135 [2019-11-26 02:15:23,681 INFO L226 Difference]: Without dead ends: 132 [2019-11-26 02:15:23,681 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 [2019-11-26 02:15:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-26 02:15:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 100. [2019-11-26 02:15:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-26 02:15:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2019-11-26 02:15:23,701 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 10 [2019-11-26 02:15:23,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:23,702 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2019-11-26 02:15:23,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:15:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2019-11-26 02:15:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:15:23,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:23,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:23,704 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]=== [2019-11-26 02:15:23,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:23,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1497066727, now seen corresponding path program 1 times [2019-11-26 02:15:23,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:23,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726270208] [2019-11-26 02:15:23,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:15:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:15:23,765 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:15:23,766 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:15:23,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:23 BoogieIcfgContainer [2019-11-26 02:15:23,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:23,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:23,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:23,795 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:23,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:22" (3/4) ... [2019-11-26 02:15:23,799 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:15:23,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:23,802 INFO L168 Benchmark]: Toolchain (without parser) took 3474.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.4 MB in the beginning and 883.4 MB in the end (delta: 68.1 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:23,808 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:23,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:23,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:23,811 INFO L168 Benchmark]: Boogie Preprocessor took 69.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:23,811 INFO L168 Benchmark]: RCFGBuilder took 1115.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:23,812 INFO L168 Benchmark]: TraceAbstraction took 1789.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 883.4 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:23,814 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 883.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:23,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 435.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1115.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1789.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 883.4 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 883.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 67. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add ; [L224] unsigned int zero ; [L225] int sa ; [L226] int sb ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L231] int tmp___3 ; [L232] int tmp___4 ; [L233] int tmp___5 ; [L234] int tmp___6 ; [L235] int tmp___7 ; [L236] int tmp___8 ; [L237] int tmp___9 ; [L238] int __retres23 ; [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L242] zero = base2flt(0, 0) [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND FALSE !(! m) [L26] COND FALSE !(m < 1U << 24U) [L48] COND TRUE 1 [L50] COND FALSE !(m >= 1U << 25U) [L67] m = m & ~ (1U << 24U) [L68] EXPR e + 128 [L68] (e + 128) << 24U - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 36 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 709 SDtfs, 789 SDslu, 676 SDs, 0 SdLazy, 310 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 252 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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...