./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.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_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39cb4cd76df2e8797d57bb810d33273c2686a46c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/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 15:53:57,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:53:57,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:53:57,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:53:57,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:53:57,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:53:57,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:53:57,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:53:57,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:53:57,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:53:57,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:53:57,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:53:57,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:53:57,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:53:57,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:53:57,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:53:57,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:53:57,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:53:57,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:53:57,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:53:57,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:53:57,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:53:57,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:53:57,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:53:57,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:53:57,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:53:57,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:53:57,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:53:57,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:53:57,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:53:57,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:53:57,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:53:57,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:53:57,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:53:57,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:53:57,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:53:57,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:53:57,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:53:57,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:53:57,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:53:57,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:53:57,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-12-07 15:53:57,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:53:57,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:53:57,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:53:57,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:53:57,971 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:53:57,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:53:57,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 15:53:57,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:53:57,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:53:57,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:53:57,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:53:57,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:53:57,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39cb4cd76df2e8797d57bb810d33273c2686a46c [2019-12-07 15:53:58,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:53:58,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:53:58,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:53:58,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:53:58,089 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:53:58,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-12-07 15:53:58,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/data/45ef10827/db472aafaac8432fa805796052e070fd/FLAG68ecab3f5 [2019-12-07 15:53:58,462 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:53:58,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-12-07 15:53:58,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/data/45ef10827/db472aafaac8432fa805796052e070fd/FLAG68ecab3f5 [2019-12-07 15:53:58,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/data/45ef10827/db472aafaac8432fa805796052e070fd [2019-12-07 15:53:58,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:53:58,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:53:58,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:58,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:53:58,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:53:58,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39474158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58, skipping insertion in model container [2019-12-07 15:53:58,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:53:58,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:53:58,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:58,689 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:53:58,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:53:58,726 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:53:58,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58 WrapperNode [2019-12-07 15:53:58,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:53:58,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:58,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:53:58,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:53:58,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:53:58,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:53:58,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:53:58,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:53:58,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... [2019-12-07 15:53:58,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:53:58,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:53:58,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:53:58,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:53:58,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_734b3291-be5b-4bf6-ba30-eb9ce75fa2d9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:53:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:53:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:53:59,169 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:53:59,169 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 15:53:59,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:59 BoogieIcfgContainer [2019-12-07 15:53:59,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:53:59,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:53:59,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:53:59,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:53:59,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:53:58" (1/3) ... [2019-12-07 15:53:59,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b1e153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:53:59, skipping insertion in model container [2019-12-07 15:53:59,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:53:58" (2/3) ... [2019-12-07 15:53:59,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b1e153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:53:59, skipping insertion in model container [2019-12-07 15:53:59,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:59" (3/3) ... [2019-12-07 15:53:59,175 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_4-2.c.cil.c [2019-12-07 15:53:59,181 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:53:59,186 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 48 error locations. [2019-12-07 15:53:59,193 INFO L249 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2019-12-07 15:53:59,209 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:53:59,209 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:53:59,210 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:53:59,210 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:53:59,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:53:59,210 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:53:59,210 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:53:59,210 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:53:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2019-12-07 15:53:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:53:59,231 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,231 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,232 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,236 INFO L82 PathProgramCache]: Analyzing trace with hash 922901410, now seen corresponding path program 1 times [2019-12-07 15:53:59,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979425104] [2019-12-07 15:53:59,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,325 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 15:53:59,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979425104] [2019-12-07 15:53:59,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603013557] [2019-12-07 15:53:59,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:53:59,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:53:59,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:53:59,340 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2019-12-07 15:53:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,362 INFO L93 Difference]: Finished difference Result 311 states and 397 transitions. [2019-12-07 15:53:59,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:53:59,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-07 15:53:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,370 INFO L225 Difference]: With dead ends: 311 [2019-12-07 15:53:59,370 INFO L226 Difference]: Without dead ends: 146 [2019-12-07 15:53:59,373 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 15:53:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-12-07 15:53:59,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-12-07 15:53:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-12-07 15:53:59,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2019-12-07 15:53:59,403 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 6 [2019-12-07 15:53:59,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,403 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2019-12-07 15:53:59,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:53:59,403 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2019-12-07 15:53:59,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:53:59,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,404 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,404 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-12-07 15:53:59,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992565530] [2019-12-07 15:53:59,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:53:59,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992565530] [2019-12-07 15:53:59,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112736904] [2019-12-07 15:53:59,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:59,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:59,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:59,444 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 4 states. [2019-12-07 15:53:59,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,547 INFO L93 Difference]: Finished difference Result 334 states and 382 transitions. [2019-12-07 15:53:59,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:59,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 15:53:59,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,549 INFO L225 Difference]: With dead ends: 334 [2019-12-07 15:53:59,549 INFO L226 Difference]: Without dead ends: 190 [2019-12-07 15:53:59,550 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 15:53:59,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-12-07 15:53:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 122. [2019-12-07 15:53:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 15:53:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2019-12-07 15:53:59,560 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 6 [2019-12-07 15:53:59,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,560 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions. [2019-12-07 15:53:59,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2019-12-07 15:53:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:53:59,561 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,561 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,561 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,561 INFO L82 PathProgramCache]: Analyzing trace with hash -745301351, now seen corresponding path program 1 times [2019-12-07 15:53:59,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434461362] [2019-12-07 15:53:59,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,586 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 15:53:59,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434461362] [2019-12-07 15:53:59,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554211939] [2019-12-07 15:53:59,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:59,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:59,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:59,588 INFO L87 Difference]: Start difference. First operand 122 states and 140 transitions. Second operand 4 states. [2019-12-07 15:53:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,644 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2019-12-07 15:53:59,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:59,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 15:53:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,646 INFO L225 Difference]: With dead ends: 199 [2019-12-07 15:53:59,646 INFO L226 Difference]: Without dead ends: 195 [2019-12-07 15:53:59,646 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 15:53:59,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-12-07 15:53:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 123. [2019-12-07 15:53:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-12-07 15:53:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-12-07 15:53:59,658 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 9 [2019-12-07 15:53:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,658 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-12-07 15:53:59,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-12-07 15:53:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:53:59,659 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,659 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1629505264, now seen corresponding path program 1 times [2019-12-07 15:53:59,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420478837] [2019-12-07 15:53:59,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,680 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 15:53:59,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420478837] [2019-12-07 15:53:59,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609271122] [2019-12-07 15:53:59,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:53:59,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:53:59,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:53:59,682 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 3 states. [2019-12-07 15:53:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,719 INFO L93 Difference]: Finished difference Result 191 states and 216 transitions. [2019-12-07 15:53:59,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:53:59,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 15:53:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,720 INFO L225 Difference]: With dead ends: 191 [2019-12-07 15:53:59,720 INFO L226 Difference]: Without dead ends: 189 [2019-12-07 15:53:59,721 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 15:53:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-12-07 15:53:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 121. [2019-12-07 15:53:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-12-07 15:53:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2019-12-07 15:53:59,727 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 10 [2019-12-07 15:53:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,727 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2019-12-07 15:53:59,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:53:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2019-12-07 15:53:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:53:59,728 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,728 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1912392577, now seen corresponding path program 1 times [2019-12-07 15:53:59,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944709241] [2019-12-07 15:53:59,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,750 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 15:53:59,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944709241] [2019-12-07 15:53:59,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759379733] [2019-12-07 15:53:59,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:59,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:59,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:59,752 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand 4 states. [2019-12-07 15:53:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,804 INFO L93 Difference]: Finished difference Result 198 states and 225 transitions. [2019-12-07 15:53:59,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:59,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 15:53:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,806 INFO L225 Difference]: With dead ends: 198 [2019-12-07 15:53:59,806 INFO L226 Difference]: Without dead ends: 195 [2019-12-07 15:53:59,806 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 15:53:59,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-12-07 15:53:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 125. [2019-12-07 15:53:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 15:53:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-12-07 15:53:59,813 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 11 [2019-12-07 15:53:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,813 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-12-07 15:53:59,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-12-07 15:53:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:53:59,814 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,814 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,815 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1164357791, now seen corresponding path program 1 times [2019-12-07 15:53:59,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668238271] [2019-12-07 15:53:59,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:53:59,838 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 15:53:59,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668238271] [2019-12-07 15:53:59,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:53:59,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:53:59,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544929511] [2019-12-07 15:53:59,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:53:59,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:53:59,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:53:59,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:53:59,840 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 4 states. [2019-12-07 15:53:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:53:59,887 INFO L93 Difference]: Finished difference Result 202 states and 231 transitions. [2019-12-07 15:53:59,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:53:59,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 15:53:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:53:59,888 INFO L225 Difference]: With dead ends: 202 [2019-12-07 15:53:59,889 INFO L226 Difference]: Without dead ends: 200 [2019-12-07 15:53:59,889 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 15:53:59,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-12-07 15:53:59,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 128. [2019-12-07 15:53:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 15:53:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2019-12-07 15:53:59,895 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 12 [2019-12-07 15:53:59,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:53:59,895 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2019-12-07 15:53:59,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:53:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2019-12-07 15:53:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:53:59,896 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:53:59,896 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:53:59,896 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.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr45ASSERT_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.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:53:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:53:59,896 INFO L82 PathProgramCache]: Analyzing trace with hash -843278768, now seen corresponding path program 1 times [2019-12-07 15:53:59,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:53:59,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354008843] [2019-12-07 15:53:59,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:53:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:53:59,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:53:59,924 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:53:59,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:53:59 BoogieIcfgContainer [2019-12-07 15:53:59,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:53:59,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:53:59,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:53:59,939 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:53:59,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:53:59" (3/4) ... [2019-12-07 15:53:59,942 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:53:59,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:53:59,944 INFO L168 Benchmark]: Toolchain (without parser) took 1464.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 947.9 MB in the beginning and 915.1 MB in the end (delta: 32.7 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:59,944 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:59,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:59,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:59,945 INFO L168 Benchmark]: Boogie Preprocessor took 28.24 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 15:53:59,946 INFO L168 Benchmark]: RCFGBuilder took 379.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:59,946 INFO L168 Benchmark]: TraceAbstraction took 767.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 915.1 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:59,946 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 915.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:59,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.24 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 379.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 767.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 915.1 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 915.1 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_add1 ; [L224] unsigned int r_add2 ; [L225] unsigned int zero ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int __retres14 ; [L16] unsigned int res ; [L17] unsigned int __retres4 ; [L20] COND TRUE ! m [L21] __retres4 = 0U [L71] return (__retres4); [L232] 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, 166 locations, 48 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1091 SDtfs, 936 SDslu, 604 SDs, 0 SdLazy, 244 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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, 6 MinimizatonAttempts, 350 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...