./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/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 32bit --witnessprinter.graph.data.programhash 6af52310ec13e6e7a94146d05f9e904086453aae ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/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 0.1.23-0cd3be1 [2018-11-28 11:42:52,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:42:52,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:42:52,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:42:52,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:42:52,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:42:52,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:42:52,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:42:52,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:42:52,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:42:52,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:42:52,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:42:52,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:42:52,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:42:52,280 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:42:52,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:42:52,281 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:42:52,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:42:52,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:42:52,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:42:52,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:42:52,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:42:52,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:42:52,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:42:52,288 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:42:52,289 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:42:52,289 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:42:52,290 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:42:52,290 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:42:52,290 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:42:52,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:42:52,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:42:52,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:42:52,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:42:52,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:42:52,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:42:52,292 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-28 11:42:52,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:42:52,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:42:52,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:42:52,302 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:42:52,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:42:52,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:42:52,303 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:42:52,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:42:52,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 11:42:52,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:42:52,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:42:52,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:42:52,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:42:52,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:42:52,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:42:52,306 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:42:52,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:42:52,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:42:52,306 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_9981160f-7a72-4121-b82f-ca6eb948e984/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6af52310ec13e6e7a94146d05f9e904086453aae [2018-11-28 11:42:52,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:42:52,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:42:52,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:42:52,336 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:42:52,337 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:42:52,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/byte_add_false-no-overflow.i [2018-11-28 11:42:52,372 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/data/e2f6adf9e/5eef467fbfa64f1a9cb22d21a7ddfe66/FLAG2bafa6611 [2018-11-28 11:42:52,773 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:42:52,773 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/sv-benchmarks/c/bitvector/byte_add_false-no-overflow.i [2018-11-28 11:42:52,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/data/e2f6adf9e/5eef467fbfa64f1a9cb22d21a7ddfe66/FLAG2bafa6611 [2018-11-28 11:42:52,786 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/data/e2f6adf9e/5eef467fbfa64f1a9cb22d21a7ddfe66 [2018-11-28 11:42:52,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:42:52,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:42:52,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:42:52,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:42:52,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:42:52,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:52,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3389b3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52, skipping insertion in model container [2018-11-28 11:42:52,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:52,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:42:52,812 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:42:52,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:42:52,922 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:42:52,948 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:42:52,960 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:42:52,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52 WrapperNode [2018-11-28 11:42:52,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:42:52,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:42:52,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:42:52,961 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:42:52,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:52,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:52,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:42:52,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:42:52,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:42:52,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:42:53,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... [2018-11-28 11:42:53,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:42:53,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:42:53,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:42:53,037 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:42:53,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/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 [2018-11-28 11:42:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure mp_add [2018-11-28 11:42:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mp_add [2018-11-28 11:42:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:42:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:42:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:42:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:42:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:42:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:42:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 11:42:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 11:42:53,408 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:42:53,409 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:42:53,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:53 BoogieIcfgContainer [2018-11-28 11:42:53,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:42:53,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:42:53,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:42:53,412 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:42:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:42:52" (1/3) ... [2018-11-28 11:42:53,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d9bc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:53, skipping insertion in model container [2018-11-28 11:42:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:52" (2/3) ... [2018-11-28 11:42:53,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d9bc99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:42:53, skipping insertion in model container [2018-11-28 11:42:53,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:53" (3/3) ... [2018-11-28 11:42:53,415 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_false-no-overflow.i [2018-11-28 11:42:53,424 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:42:53,430 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2018-11-28 11:42:53,445 INFO L257 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2018-11-28 11:42:53,471 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:42:53,472 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:42:53,472 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:42:53,472 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:42:53,472 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:42:53,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:42:53,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:42:53,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:42:53,473 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:42:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-11-28 11:42:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:42:53,495 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:53,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:53,498 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:53,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1025559455, now seen corresponding path program 1 times [2018-11-28 11:42:53,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:53,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:53,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:53,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:42:53,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:53,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-28 11:42:53,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:42:53,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:42:53,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:42:53,623 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-11-28 11:42:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:53,645 INFO L93 Difference]: Finished difference Result 154 states and 197 transitions. [2018-11-28 11:42:53,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:42:53,647 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-28 11:42:53,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:53,655 INFO L225 Difference]: With dead ends: 154 [2018-11-28 11:42:53,655 INFO L226 Difference]: Without dead ends: 74 [2018-11-28 11:42:53,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:42:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-28 11:42:53,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-28 11:42:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-28 11:42:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2018-11-28 11:42:53,684 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 9 [2018-11-28 11:42:53,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:53,684 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2018-11-28 11:42:53,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:42:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-28 11:42:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 11:42:53,686 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:53,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:53,687 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:53,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash -133733111, now seen corresponding path program 1 times [2018-11-28 11:42:53,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:53,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:53,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:42:53,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:53,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:42:53,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:42:53,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:42:53,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:42:53,762 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand 3 states. [2018-11-28 11:42:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:53,888 INFO L93 Difference]: Finished difference Result 150 states and 217 transitions. [2018-11-28 11:42:53,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:42:53,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-11-28 11:42:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:53,890 INFO L225 Difference]: With dead ends: 150 [2018-11-28 11:42:53,890 INFO L226 Difference]: Without dead ends: 103 [2018-11-28 11:42:53,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:42:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-28 11:42:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2018-11-28 11:42:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 11:42:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 129 transitions. [2018-11-28 11:42:53,901 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 129 transitions. Word has length 18 [2018-11-28 11:42:53,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:53,901 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 129 transitions. [2018-11-28 11:42:53,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:42:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2018-11-28 11:42:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 11:42:53,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:53,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:53,903 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:53,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:53,903 INFO L82 PathProgramCache]: Analyzing trace with hash -375227645, now seen corresponding path program 1 times [2018-11-28 11:42:53,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:53,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:53,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:42:53,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:53,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:42:53,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:42:53,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:42:53,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:42:53,971 INFO L87 Difference]: Start difference. First operand 99 states and 129 transitions. Second operand 4 states. [2018-11-28 11:42:54,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:54,193 INFO L93 Difference]: Finished difference Result 219 states and 322 transitions. [2018-11-28 11:42:54,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:42:54,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-28 11:42:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:54,195 INFO L225 Difference]: With dead ends: 219 [2018-11-28 11:42:54,195 INFO L226 Difference]: Without dead ends: 172 [2018-11-28 11:42:54,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:42:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-11-28 11:42:54,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-11-28 11:42:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 11:42:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2018-11-28 11:42:54,205 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 25 [2018-11-28 11:42:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:54,205 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2018-11-28 11:42:54,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:42:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2018-11-28 11:42:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 11:42:54,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:54,206 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:54,207 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:54,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:54,207 INFO L82 PathProgramCache]: Analyzing trace with hash -740983547, now seen corresponding path program 1 times [2018-11-28 11:42:54,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:54,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:54,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:54,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:42:54,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:54,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:42:54,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:42:54,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:42:54,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:42:54,271 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 4 states. [2018-11-28 11:42:54,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:54,432 INFO L93 Difference]: Finished difference Result 319 states and 452 transitions. [2018-11-28 11:42:54,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:42:54,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-11-28 11:42:54,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:54,434 INFO L225 Difference]: With dead ends: 319 [2018-11-28 11:42:54,435 INFO L226 Difference]: Without dead ends: 227 [2018-11-28 11:42:54,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:42:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-28 11:42:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 163. [2018-11-28 11:42:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-28 11:42:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 227 transitions. [2018-11-28 11:42:54,447 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 227 transitions. Word has length 32 [2018-11-28 11:42:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:54,447 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 227 transitions. [2018-11-28 11:42:54,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:42:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2018-11-28 11:42:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 11:42:54,448 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:54,449 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:54,449 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:54,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:54,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1838487559, now seen corresponding path program 1 times [2018-11-28 11:42:54,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:54,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:54,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:54,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 11:42:54,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:54,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:42:54,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:42:54,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:42:54,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:42:54,522 INFO L87 Difference]: Start difference. First operand 163 states and 227 transitions. Second operand 5 states. [2018-11-28 11:42:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:54,722 INFO L93 Difference]: Finished difference Result 460 states and 643 transitions. [2018-11-28 11:42:54,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:42:54,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-28 11:42:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:54,723 INFO L225 Difference]: With dead ends: 460 [2018-11-28 11:42:54,724 INFO L226 Difference]: Without dead ends: 327 [2018-11-28 11:42:54,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:42:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-11-28 11:42:54,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 176. [2018-11-28 11:42:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-11-28 11:42:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 243 transitions. [2018-11-28 11:42:54,737 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 243 transitions. Word has length 39 [2018-11-28 11:42:54,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:54,738 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 243 transitions. [2018-11-28 11:42:54,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:42:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 243 transitions. [2018-11-28 11:42:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-28 11:42:54,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:54,740 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:54,741 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:54,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:54,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1692244499, now seen corresponding path program 1 times [2018-11-28 11:42:54,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:54,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:54,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:54,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 11:42:54,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:54,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:42:54,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:42:54,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:42:54,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:42:54,799 INFO L87 Difference]: Start difference. First operand 176 states and 243 transitions. Second operand 5 states. [2018-11-28 11:42:54,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:54,976 INFO L93 Difference]: Finished difference Result 466 states and 649 transitions. [2018-11-28 11:42:54,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:42:54,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-11-28 11:42:54,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:54,977 INFO L225 Difference]: With dead ends: 466 [2018-11-28 11:42:54,977 INFO L226 Difference]: Without dead ends: 333 [2018-11-28 11:42:54,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:42:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-11-28 11:42:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 189. [2018-11-28 11:42:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-28 11:42:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 257 transitions. [2018-11-28 11:42:54,988 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 257 transitions. Word has length 42 [2018-11-28 11:42:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:54,988 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 257 transitions. [2018-11-28 11:42:54,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:42:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2018-11-28 11:42:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-28 11:42:54,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:54,990 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:54,991 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:54,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:54,992 INFO L82 PathProgramCache]: Analyzing trace with hash -756319486, now seen corresponding path program 1 times [2018-11-28 11:42:54,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:54,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:54,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:54,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:54,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:42:55,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:42:55,065 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:42:55,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:55,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:42:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 11:42:55,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:42:55,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2018-11-28 11:42:55,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:42:55,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:42:55,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:42:55,166 INFO L87 Difference]: Start difference. First operand 189 states and 257 transitions. Second operand 7 states. [2018-11-28 11:42:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:55,855 INFO L93 Difference]: Finished difference Result 426 states and 617 transitions. [2018-11-28 11:42:55,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:42:55,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-28 11:42:55,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:55,857 INFO L225 Difference]: With dead ends: 426 [2018-11-28 11:42:55,857 INFO L226 Difference]: Without dead ends: 291 [2018-11-28 11:42:55,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:42:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-28 11:42:55,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 235. [2018-11-28 11:42:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-28 11:42:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 295 transitions. [2018-11-28 11:42:55,865 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 295 transitions. Word has length 45 [2018-11-28 11:42:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:55,865 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 295 transitions. [2018-11-28 11:42:55,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:42:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 295 transitions. [2018-11-28 11:42:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:42:55,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:55,866 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:55,867 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:55,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:55,867 INFO L82 PathProgramCache]: Analyzing trace with hash 801888166, now seen corresponding path program 1 times [2018-11-28 11:42:55,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:55,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:55,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-28 11:42:55,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:55,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:42:55,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:42:55,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:42:55,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:42:55,923 INFO L87 Difference]: Start difference. First operand 235 states and 295 transitions. Second operand 3 states. [2018-11-28 11:42:55,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:55,929 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2018-11-28 11:42:55,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:42:55,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:42:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:55,931 INFO L225 Difference]: With dead ends: 279 [2018-11-28 11:42:55,931 INFO L226 Difference]: Without dead ends: 202 [2018-11-28 11:42:55,932 INFO L631 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 [2018-11-28 11:42:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-11-28 11:42:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-11-28 11:42:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-28 11:42:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 252 transitions. [2018-11-28 11:42:55,937 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 252 transitions. Word has length 52 [2018-11-28 11:42:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:55,937 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 252 transitions. [2018-11-28 11:42:55,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:42:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 252 transitions. [2018-11-28 11:42:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:42:55,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:55,939 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:55,939 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:55,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:55,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1197423182, now seen corresponding path program 1 times [2018-11-28 11:42:55,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:55,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:55,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:55,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:55,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-28 11:42:56,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:56,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:42:56,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:42:56,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:42:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:42:56,012 INFO L87 Difference]: Start difference. First operand 202 states and 252 transitions. Second operand 5 states. [2018-11-28 11:42:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:56,162 INFO L93 Difference]: Finished difference Result 558 states and 700 transitions. [2018-11-28 11:42:56,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:42:56,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 11:42:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:56,164 INFO L225 Difference]: With dead ends: 558 [2018-11-28 11:42:56,165 INFO L226 Difference]: Without dead ends: 412 [2018-11-28 11:42:56,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:42:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-11-28 11:42:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 253. [2018-11-28 11:42:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-28 11:42:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 316 transitions. [2018-11-28 11:42:56,175 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 316 transitions. Word has length 64 [2018-11-28 11:42:56,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:56,176 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 316 transitions. [2018-11-28 11:42:56,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:42:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 316 transitions. [2018-11-28 11:42:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 11:42:56,176 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:56,177 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:56,177 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:56,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1591774705, now seen corresponding path program 1 times [2018-11-28 11:42:56,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:56,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:56,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:56,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-28 11:42:56,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:56,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:42:56,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:42:56,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:42:56,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:42:56,230 INFO L87 Difference]: Start difference. First operand 253 states and 316 transitions. Second operand 3 states. [2018-11-28 11:42:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:56,240 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-11-28 11:42:56,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:42:56,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-11-28 11:42:56,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:56,241 INFO L225 Difference]: With dead ends: 266 [2018-11-28 11:42:56,241 INFO L226 Difference]: Without dead ends: 253 [2018-11-28 11:42:56,242 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:42:56,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-28 11:42:56,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-11-28 11:42:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-28 11:42:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2018-11-28 11:42:56,248 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 67 [2018-11-28 11:42:56,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:56,248 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2018-11-28 11:42:56,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:42:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2018-11-28 11:42:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 11:42:56,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:56,249 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:56,250 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:56,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:56,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1692075341, now seen corresponding path program 1 times [2018-11-28 11:42:56,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:56,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:56,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:56,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 11:42:56,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:56,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:42:56,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:42:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:42:56,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:42:56,298 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 4 states. [2018-11-28 11:42:56,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:56,362 INFO L93 Difference]: Finished difference Result 559 states and 694 transitions. [2018-11-28 11:42:56,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:42:56,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-28 11:42:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:56,363 INFO L225 Difference]: With dead ends: 559 [2018-11-28 11:42:56,363 INFO L226 Difference]: Without dead ends: 362 [2018-11-28 11:42:56,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:42:56,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-11-28 11:42:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 267. [2018-11-28 11:42:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-11-28 11:42:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 339 transitions. [2018-11-28 11:42:56,370 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 339 transitions. Word has length 67 [2018-11-28 11:42:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:56,370 INFO L480 AbstractCegarLoop]: Abstraction has 267 states and 339 transitions. [2018-11-28 11:42:56,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:42:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 339 transitions. [2018-11-28 11:42:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 11:42:56,371 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:56,371 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:56,372 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:56,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:56,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1261479449, now seen corresponding path program 1 times [2018-11-28 11:42:56,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:56,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:56,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:56,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 11:42:56,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:42:56,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:42:56,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:42:56,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:42:56,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:42:56,441 INFO L87 Difference]: Start difference. First operand 267 states and 339 transitions. Second operand 7 states. [2018-11-28 11:42:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:56,647 INFO L93 Difference]: Finished difference Result 778 states and 1009 transitions. [2018-11-28 11:42:56,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:42:56,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-11-28 11:42:56,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:56,649 INFO L225 Difference]: With dead ends: 778 [2018-11-28 11:42:56,649 INFO L226 Difference]: Without dead ends: 556 [2018-11-28 11:42:56,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:42:56,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-28 11:42:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 515. [2018-11-28 11:42:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-28 11:42:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 655 transitions. [2018-11-28 11:42:56,660 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 655 transitions. Word has length 73 [2018-11-28 11:42:56,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:56,660 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 655 transitions. [2018-11-28 11:42:56,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:42:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 655 transitions. [2018-11-28 11:42:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 11:42:56,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:56,661 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:56,662 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:56,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:56,662 INFO L82 PathProgramCache]: Analyzing trace with hash 504713725, now seen corresponding path program 1 times [2018-11-28 11:42:56,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:56,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:56,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:56,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 11:42:56,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:42:56,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:42:56,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:42:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 11:42:56,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:42:56,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2018-11-28 11:42:56,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:42:56,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:42:56,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:42:56,824 INFO L87 Difference]: Start difference. First operand 515 states and 655 transitions. Second operand 7 states. [2018-11-28 11:42:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:42:57,391 INFO L93 Difference]: Finished difference Result 2686 states and 3320 transitions. [2018-11-28 11:42:57,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 11:42:57,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-11-28 11:42:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:42:57,395 INFO L225 Difference]: With dead ends: 2686 [2018-11-28 11:42:57,395 INFO L226 Difference]: Without dead ends: 2032 [2018-11-28 11:42:57,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:42:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2018-11-28 11:42:57,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 875. [2018-11-28 11:42:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-11-28 11:42:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1190 transitions. [2018-11-28 11:42:57,421 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1190 transitions. Word has length 73 [2018-11-28 11:42:57,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:42:57,421 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1190 transitions. [2018-11-28 11:42:57,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:42:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1190 transitions. [2018-11-28 11:42:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 11:42:57,422 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:42:57,422 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:42:57,423 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:42:57,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:57,423 INFO L82 PathProgramCache]: Analyzing trace with hash 250453056, now seen corresponding path program 1 times [2018-11-28 11:42:57,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:57,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:57,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:57,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:57,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 11:42:57,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:42:57,501 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9981160f-7a72-4121-b82f-ca6eb948e984/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:42:57,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:57,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:42:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 11:42:58,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:42:58,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2018-11-28 11:42:58,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:42:58,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:42:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=31, Unknown=3, NotChecked=0, Total=56 [2018-11-28 11:42:58,310 INFO L87 Difference]: Start difference. First operand 875 states and 1190 transitions. Second operand 8 states. [2018-11-28 11:42:59,874 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 11:43:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:06,706 INFO L93 Difference]: Finished difference Result 2160 states and 2923 transitions. [2018-11-28 11:43:06,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:43:06,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 11:43:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:06,710 INFO L225 Difference]: With dead ends: 2160 [2018-11-28 11:43:06,710 INFO L226 Difference]: Without dead ends: 1256 [2018-11-28 11:43:06,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=62, Unknown=3, NotChecked=0, Total=110 [2018-11-28 11:43:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-28 11:43:06,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1077. [2018-11-28 11:43:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2018-11-28 11:43:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1464 transitions. [2018-11-28 11:43:06,748 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1464 transitions. Word has length 79 [2018-11-28 11:43:06,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:06,749 INFO L480 AbstractCegarLoop]: Abstraction has 1077 states and 1464 transitions. [2018-11-28 11:43:06,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:43:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1464 transitions. [2018-11-28 11:43:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 11:43:06,750 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:06,750 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:06,751 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:06,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:06,751 INFO L82 PathProgramCache]: Analyzing trace with hash 315577703, now seen corresponding path program 1 times [2018-11-28 11:43:06,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:06,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:06,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:06,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:06,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 11:43:06,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:06,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:43:06,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:43:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:43:06,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:06,872 INFO L87 Difference]: Start difference. First operand 1077 states and 1464 transitions. Second operand 7 states. [2018-11-28 11:43:07,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:07,318 INFO L93 Difference]: Finished difference Result 3386 states and 4572 transitions. [2018-11-28 11:43:07,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:43:07,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-11-28 11:43:07,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:07,323 INFO L225 Difference]: With dead ends: 3386 [2018-11-28 11:43:07,323 INFO L226 Difference]: Without dead ends: 2166 [2018-11-28 11:43:07,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2018-11-28 11:43:07,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1875. [2018-11-28 11:43:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2018-11-28 11:43:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2525 transitions. [2018-11-28 11:43:07,362 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2525 transitions. Word has length 85 [2018-11-28 11:43:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:07,362 INFO L480 AbstractCegarLoop]: Abstraction has 1875 states and 2525 transitions. [2018-11-28 11:43:07,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:43:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2525 transitions. [2018-11-28 11:43:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 11:43:07,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:07,364 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:07,364 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:07,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:07,364 INFO L82 PathProgramCache]: Analyzing trace with hash 119876796, now seen corresponding path program 1 times [2018-11-28 11:43:07,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:07,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:07,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:07,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:07,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-28 11:43:07,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:07,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:43:07,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:43:07,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:43:07,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:07,437 INFO L87 Difference]: Start difference. First operand 1875 states and 2525 transitions. Second operand 7 states. [2018-11-28 11:43:07,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:07,853 INFO L93 Difference]: Finished difference Result 6058 states and 8063 transitions. [2018-11-28 11:43:07,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:43:07,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-11-28 11:43:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:07,859 INFO L225 Difference]: With dead ends: 6058 [2018-11-28 11:43:07,859 INFO L226 Difference]: Without dead ends: 3866 [2018-11-28 11:43:07,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:43:07,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2018-11-28 11:43:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3244. [2018-11-28 11:43:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3244 states. [2018-11-28 11:43:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4298 transitions. [2018-11-28 11:43:07,957 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4298 transitions. Word has length 85 [2018-11-28 11:43:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:07,958 INFO L480 AbstractCegarLoop]: Abstraction has 3244 states and 4298 transitions. [2018-11-28 11:43:07,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:43:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4298 transitions. [2018-11-28 11:43:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:43:07,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:07,960 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:07,961 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:07,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1216906630, now seen corresponding path program 1 times [2018-11-28 11:43:07,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:07,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:07,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:07,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:07,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 11:43:08,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:08,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:43:08,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:43:08,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:43:08,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:43:08,066 INFO L87 Difference]: Start difference. First operand 3244 states and 4298 transitions. Second operand 8 states. [2018-11-28 11:43:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:08,717 INFO L93 Difference]: Finished difference Result 7283 states and 9614 transitions. [2018-11-28 11:43:08,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 11:43:08,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-28 11:43:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:08,727 INFO L225 Difference]: With dead ends: 7283 [2018-11-28 11:43:08,727 INFO L226 Difference]: Without dead ends: 3818 [2018-11-28 11:43:08,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2018-11-28 11:43:08,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2018-11-28 11:43:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3473. [2018-11-28 11:43:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3473 states. [2018-11-28 11:43:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4577 transitions. [2018-11-28 11:43:08,826 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4577 transitions. Word has length 88 [2018-11-28 11:43:08,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:08,826 INFO L480 AbstractCegarLoop]: Abstraction has 3473 states and 4577 transitions. [2018-11-28 11:43:08,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:43:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4577 transitions. [2018-11-28 11:43:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:43:08,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:08,829 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:08,829 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:08,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1107684138, now seen corresponding path program 1 times [2018-11-28 11:43:08,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:08,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:08,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-28 11:43:08,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:08,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:43:08,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:43:08,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:43:08,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:43:08,975 INFO L87 Difference]: Start difference. First operand 3473 states and 4577 transitions. Second operand 8 states. [2018-11-28 11:43:09,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:09,629 INFO L93 Difference]: Finished difference Result 7999 states and 10507 transitions. [2018-11-28 11:43:09,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:43:09,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-28 11:43:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:09,636 INFO L225 Difference]: With dead ends: 7999 [2018-11-28 11:43:09,636 INFO L226 Difference]: Without dead ends: 4656 [2018-11-28 11:43:09,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:43:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2018-11-28 11:43:09,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4321. [2018-11-28 11:43:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4321 states. [2018-11-28 11:43:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5597 transitions. [2018-11-28 11:43:09,712 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5597 transitions. Word has length 88 [2018-11-28 11:43:09,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:09,713 INFO L480 AbstractCegarLoop]: Abstraction has 4321 states and 5597 transitions. [2018-11-28 11:43:09,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:43:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5597 transitions. [2018-11-28 11:43:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-28 11:43:09,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:09,715 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:09,715 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:09,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:09,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1919875554, now seen corresponding path program 1 times [2018-11-28 11:43:09,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:09,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:09,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:09,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:09,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 11:43:09,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:09,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:43:09,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:43:09,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:43:09,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:43:09,800 INFO L87 Difference]: Start difference. First operand 4321 states and 5597 transitions. Second operand 9 states. [2018-11-28 11:43:10,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:10,339 INFO L93 Difference]: Finished difference Result 5314 states and 6833 transitions. [2018-11-28 11:43:10,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:43:10,340 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2018-11-28 11:43:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:10,344 INFO L225 Difference]: With dead ends: 5314 [2018-11-28 11:43:10,344 INFO L226 Difference]: Without dead ends: 3099 [2018-11-28 11:43:10,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2018-11-28 11:43:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 2949. [2018-11-28 11:43:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2949 states. [2018-11-28 11:43:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 3766 transitions. [2018-11-28 11:43:10,421 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 3766 transitions. Word has length 90 [2018-11-28 11:43:10,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:10,421 INFO L480 AbstractCegarLoop]: Abstraction has 2949 states and 3766 transitions. [2018-11-28 11:43:10,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:43:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 3766 transitions. [2018-11-28 11:43:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-28 11:43:10,423 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:10,423 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:10,424 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:10,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:10,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1198243630, now seen corresponding path program 1 times [2018-11-28 11:43:10,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:10,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:10,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:10,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:10,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-28 11:43:10,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:10,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:43:10,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:43:10,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:43:10,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:43:10,506 INFO L87 Difference]: Start difference. First operand 2949 states and 3766 transitions. Second operand 9 states. [2018-11-28 11:43:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:10,948 INFO L93 Difference]: Finished difference Result 3319 states and 4198 transitions. [2018-11-28 11:43:10,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:43:10,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2018-11-28 11:43:10,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:10,951 INFO L225 Difference]: With dead ends: 3319 [2018-11-28 11:43:10,952 INFO L226 Difference]: Without dead ends: 1754 [2018-11-28 11:43:10,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:43:10,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2018-11-28 11:43:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1667. [2018-11-28 11:43:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2018-11-28 11:43:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2081 transitions. [2018-11-28 11:43:10,979 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2081 transitions. Word has length 90 [2018-11-28 11:43:10,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:10,979 INFO L480 AbstractCegarLoop]: Abstraction has 1667 states and 2081 transitions. [2018-11-28 11:43:10,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:43:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2081 transitions. [2018-11-28 11:43:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 11:43:10,981 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:10,981 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:10,981 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:43:10,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:10,982 INFO L82 PathProgramCache]: Analyzing trace with hash 2132168340, now seen corresponding path program 1 times [2018-11-28 11:43:10,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:10,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:10,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:10,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:10,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:43:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:43:11,026 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:43:11,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:43:11 BoogieIcfgContainer [2018-11-28 11:43:11,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:43:11,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:43:11,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:43:11,074 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:43:11,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:53" (3/4) ... [2018-11-28 11:43:11,077 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:43:11,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:43:11,077 INFO L168 Benchmark]: Toolchain (without parser) took 18289.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:11,078 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:11,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.03 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:11,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.38 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:11,079 INFO L168 Benchmark]: Boogie Preprocessor took 58.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:11,079 INFO L168 Benchmark]: RCFGBuilder took 372.91 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:11,079 INFO L168 Benchmark]: TraceAbstraction took 17663.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.6 MB). Peak memory consumption was 162.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:43:11,080 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:43:11,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.03 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.38 ms. Allocated memory is still 1.0 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 372.91 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17663.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.6 MB). Peak memory consumption was 162.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 97]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 77. Possible FailurePath: [L105] unsigned int a, b, r; [L107] a = __VERIFIER_nondet_uint() [L108] b = __VERIFIER_nondet_uint() [L110] CALL mp_add(a, b) VAL [\old(a)=0, \old(b)=2147483647] [L23] unsigned char a0, a1, a2, a3; [L24] unsigned char b0, b1, b2, b3; [L25] unsigned char r0, r1, r2, r3; [L26] unsigned short carry; [L27] unsigned short partial_sum; [L28] unsigned int r; [L29] unsigned char i; [L30] unsigned char na, nb; [L31] a0 = a [L32] a1 = a >> 8 [L33] a2 = a >> 16U [L34] a3 = a >> 24U [L35] b0 = b [L36] b1 = b >> 8U [L37] b2 = b >> 16U [L38] b3 = b >> 24U [L39] na = (unsigned char)4 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=4] [L40] COND TRUE a3 == (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=4] [L41] EXPR na - 1 [L41] na = na - 1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=3] [L42] COND TRUE a2 == (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=3] [L43] EXPR na - 1 [L43] na = na - 1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=2] [L44] COND TRUE a1 == (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=2] [L45] EXPR na - 1 [L45] na = na - 1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=1] [L49] nb = (unsigned char)4 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=1, nb=4] [L50] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, na=1, nb=4] [L59] carry = (unsigned short)0 [L60] i = (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4] [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L64] COND TRUE i < na VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L65] COND TRUE i == (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L65] EXPR partial_sum + a0 [L65] partial_sum = partial_sum + a0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L66] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L67] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L68] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L70] COND TRUE i < nb VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L71] COND TRUE i == (unsigned char)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=0] [L71] EXPR partial_sum + b0 [L71] partial_sum = partial_sum + b0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=255] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=255] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=255] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=0, na=1, nb=4, partial_sum=255] [L76] COND TRUE partial_sum > ((unsigned char)254) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=0, na=1, nb=4] [L80] COND TRUE i == (unsigned char)0 [L80] r0 = (unsigned char)partial_sum VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=0, na=1, nb=4, partial_sum=1, r0=1] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=0, na=1, nb=4, partial_sum=1, r0=1] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=0, na=1, nb=4, partial_sum=1, r0=1] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=0, na=1, nb=4, partial_sum=1, r0=1] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, partial_sum=1, r0=1] [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=1, r0=1] [L64] COND FALSE !(i < na) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=1, r0=1] [L70] COND TRUE i < nb VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=1, r0=1] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=1, r0=1] [L72] COND TRUE i == (unsigned char)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=1, r0=1] [L72] EXPR partial_sum + b1 [L72] partial_sum = partial_sum + b1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=256, r0=1] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=256, r0=1] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=1, na=1, nb=4, partial_sum=256, r0=1] [L76] COND TRUE partial_sum > ((unsigned char)254) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, r0=1] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, r0=1] [L81] COND TRUE i == (unsigned char)1 [L81] r1 = (unsigned char)partial_sum VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, partial_sum=0, r0=1, r1=0] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, partial_sum=0, r0=1, r1=0] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=1, na=1, nb=4, partial_sum=0, r0=1, r1=0] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, partial_sum=0, r0=1, r1=0] [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L64] COND FALSE !(i < na) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L70] COND TRUE i < nb VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L73] COND TRUE i == (unsigned char)2 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=1, r0=1, r1=0] [L73] EXPR partial_sum + b2 [L73] partial_sum = partial_sum + b2 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=256, r0=1, r1=0] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=2, na=1, nb=4, partial_sum=256, r0=1, r1=0] [L76] COND TRUE partial_sum > ((unsigned char)254) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, r0=1, r1=0] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, r0=1, r1=0] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, r0=1, r1=0] [L82] COND TRUE i == (unsigned char)2 [L82] r2 = (unsigned char)partial_sum VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, partial_sum=0, r0=1, r1=0, r2=0] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=2, na=1, nb=4, partial_sum=0, r0=1, r1=0, r2=0] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=1, i=3, na=1, nb=4, partial_sum=0, r0=1, r1=0, r2=0] [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L64] COND FALSE !(i < na) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L70] COND TRUE i < nb VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L74] COND TRUE i == (unsigned char)3 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=1, r0=1, r1=0, r2=0] [L74] EXPR partial_sum + b3 [L74] partial_sum = partial_sum + b3 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0] [L76] COND FALSE !(partial_sum > ((unsigned char)254)) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0] [L83] COND TRUE i == (unsigned char)3 [L83] r3 = (unsigned char)partial_sum VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=3, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L61] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L88] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L97] r1 << 8U VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L97] r2 << 16U VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] [L97] r3 << 24U VAL [\old(a)=0, \old(b)=2147483647, a=0, a0=0, a1=0, a2=0, a3=0, b=2147483647, b0=-2147483649, b1=-8388609, b2=-32769, b3=-129, carry=0, i=4, na=1, nb=4, partial_sum=128, r0=1, r1=0, r2=0, r3=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 126 locations, 38 error locations. UNSAFE Result, 17.6s OverallTime, 21 OverallIterations, 4 TraceHistogramMax, 14.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2219 SDtfs, 4817 SDslu, 5352 SDs, 0 SdLazy, 6008 SolverSat, 553 SolverUnsat, 31 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 245 SyntacticMatches, 9 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4321occurred in iteration=18, 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: 0.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 3928 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1504 NumberOfCodeBlocks, 1504 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1385 ConstructedInterpolants, 28 QuantifiedInterpolants, 305534 SizeOfPredicates, 6 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 1201/1220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...