./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/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 64bit --witnessprinter.graph.data.programhash 5098e3d431ffea128b6fb3ac04da30361a618d04 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:25:47,196 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:25:47,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:25:47,205 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:25:47,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:25:47,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:25:47,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:25:47,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:25:47,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:25:47,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:25:47,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:25:47,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:25:47,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:25:47,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:25:47,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:25:47,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:25:47,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:25:47,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:25:47,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:25:47,216 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:25:47,217 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:25:47,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:25:47,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:25:47,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:25:47,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:25:47,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:25:47,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:25:47,221 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:25:47,222 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:25:47,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:25:47,223 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:25:47,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:25:47,224 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:25:47,224 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:25:47,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:25:47,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:25:47,225 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 11:25:47,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:25:47,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:25:47,235 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:25:47,236 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:25:47,236 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:25:47,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:25:47,236 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:25:47,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:25:47,237 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:25:47,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:25:47,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:25:47,238 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:25:47,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:25:47,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:25:47,239 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5098e3d431ffea128b6fb3ac04da30361a618d04 [2018-11-18 11:25:47,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:25:47,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:25:47,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:25:47,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:25:47,270 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:25:47,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i [2018-11-18 11:25:47,305 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/data/9238dd616/5d4d54b32d1c42f5b4641b906657e93a/FLAGc1008bd7c [2018-11-18 11:25:47,743 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:25:47,743 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/sv-benchmarks/c/signedintegeroverflow-regression/PostfixDecrement_false-no-overflow.c.i [2018-11-18 11:25:47,749 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/data/9238dd616/5d4d54b32d1c42f5b4641b906657e93a/FLAGc1008bd7c [2018-11-18 11:25:47,759 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/data/9238dd616/5d4d54b32d1c42f5b4641b906657e93a [2018-11-18 11:25:47,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:25:47,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:25:47,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:25:47,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:25:47,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:25:47,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:25:47" (1/1) ... [2018-11-18 11:25:47,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8f9f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:47, skipping insertion in model container [2018-11-18 11:25:47,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:25:47" (1/1) ... [2018-11-18 11:25:47,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:25:47,801 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:25:47,965 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:25:47,970 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:25:48,031 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:25:48,053 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:25:48,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48 WrapperNode [2018-11-18 11:25:48,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:25:48,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:25:48,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:25:48,054 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:25:48,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... [2018-11-18 11:25:48,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:25:48,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:25:48,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:25:48,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:25:48,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/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 [2018-11-18 11:25:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:25:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:25:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:25:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-18 11:25:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-18 11:25:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-18 11:25:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-18 11:25:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-18 11:25:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-18 11:25:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-18 11:25:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-18 11:25:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-18 11:25:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-18 11:25:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:25:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:25:48,332 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:25:48,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:48 BoogieIcfgContainer [2018-11-18 11:25:48,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:25:48,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:25:48,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:25:48,336 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:25:48,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:25:47" (1/3) ... [2018-11-18 11:25:48,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d691a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:25:48, skipping insertion in model container [2018-11-18 11:25:48,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:25:48" (2/3) ... [2018-11-18 11:25:48,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d691a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:25:48, skipping insertion in model container [2018-11-18 11:25:48,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:48" (3/3) ... [2018-11-18 11:25:48,338 INFO L112 eAbstractionObserver]: Analyzing ICFG PostfixDecrement_false-no-overflow.c.i [2018-11-18 11:25:48,346 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:25:48,351 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 11:25:48,362 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 11:25:48,385 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:25:48,386 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:25:48,386 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:25:48,386 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:25:48,386 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:25:48,386 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:25:48,386 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:25:48,387 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:25:48,387 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:25:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-11-18 11:25:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:25:48,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:48,400 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:25:48,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 11:25:48,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:48,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1378257491, now seen corresponding path program 1 times [2018-11-18 11:25:48,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:25:48,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:25:48,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:48,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:48,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:25:48,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:48,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:25:48,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:25:48,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:25:48,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:25:48,519 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2018-11-18 11:25:48,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:48,537 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-18 11:25:48,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:25:48,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 11:25:48,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:48,543 INFO L225 Difference]: With dead ends: 14 [2018-11-18 11:25:48,543 INFO L226 Difference]: Without dead ends: 9 [2018-11-18 11:25:48,545 INFO L604 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 [2018-11-18 11:25:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-11-18 11:25:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-18 11:25:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-18 11:25:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2018-11-18 11:25:48,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2018-11-18 11:25:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:48,565 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2018-11-18 11:25:48,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:25:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-18 11:25:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:25:48,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:48,565 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:25:48,565 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 11:25:48,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:48,566 INFO L82 PathProgramCache]: Analyzing trace with hash 223690775, now seen corresponding path program 1 times [2018-11-18 11:25:48,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:25:48,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:25:48,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:48,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:48,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:25:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:25:48,600 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:25:48,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:25:48 BoogieIcfgContainer [2018-11-18 11:25:48,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:25:48,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:25:48,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:25:48,615 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:25:48,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:25:48" (3/4) ... [2018-11-18 11:25:48,617 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:25:48,642 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd1bcf80-cc78-407c-b98e-5df5d7173a9a/bin-2019/uautomizer/witness.graphml [2018-11-18 11:25:48,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:25:48,643 INFO L168 Benchmark]: Toolchain (without parser) took 881.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -101.0 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:48,644 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:25:48,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:48,644 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:48,645 INFO L168 Benchmark]: RCFGBuilder took 248.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:48,645 INFO L168 Benchmark]: TraceAbstraction took 280.81 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: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:25:48,646 INFO L168 Benchmark]: Witness Printer took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:25:48,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 280.81 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: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Witness Printer took 27.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L334] FCALL "%d\n" VAL ["%d\n"={104:0}, \old("%d\n")=102, \old("%d\n")=103] [L332] int x = -2147483647 - 1; [L333] x-- VAL ["%d\n"={104:0}, x=-2147483648, x--=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 14 locations, 2 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 2 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...