./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 c172e82b435756efbbcf3396e72051c66081518f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 0.1.23-635dfa2 [2018-12-01 19:48:24,429 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:48:24,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:48:24,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:48:24,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:48:24,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:48:24,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:48:24,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:48:24,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:48:24,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:48:24,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:48:24,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:48:24,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:48:24,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:48:24,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:48:24,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:48:24,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:48:24,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:48:24,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:48:24,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:48:24,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:48:24,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:48:24,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:48:24,446 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:48:24,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:48:24,446 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:48:24,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:48:24,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:48:24,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:48:24,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:48:24,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:48:24,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:48:24,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:48:24,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:48:24,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:48:24,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:48:24,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-12-01 19:48:24,456 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:48:24,456 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:48:24,457 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:48:24,457 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:48:24,457 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:48:24,457 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:48:24,457 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:48:24,458 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 19:48:24,458 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:48:24,459 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:48:24,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:48:24,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 19:48:24,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:48:24,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:48:24,460 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_6647c283-4179-43e9-ac75-8075b0e66934/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 -> c172e82b435756efbbcf3396e72051c66081518f [2018-12-01 19:48:24,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:48:24,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:48:24,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:48:24,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:48:24,490 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:48:24,491 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i [2018-12-01 19:48:24,526 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/data/b72c6a22c/060f5207f5ac4bfbb488339eed34d21f/FLAG9bfd04cb4 [2018-12-01 19:48:24,820 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:48:24,820 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i [2018-12-01 19:48:24,824 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/data/b72c6a22c/060f5207f5ac4bfbb488339eed34d21f/FLAG9bfd04cb4 [2018-12-01 19:48:25,266 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/data/b72c6a22c/060f5207f5ac4bfbb488339eed34d21f [2018-12-01 19:48:25,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:48:25,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:48:25,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:48:25,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:48:25,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:48:25,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be0f211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25, skipping insertion in model container [2018-12-01 19:48:25,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:48:25,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:48:25,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:48:25,408 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:48:25,426 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:48:25,435 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:48:25,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25 WrapperNode [2018-12-01 19:48:25,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:48:25,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:48:25,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:48:25,436 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:48:25,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:48:25,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:48:25,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:48:25,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:48:25,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... [2018-12-01 19:48:25,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:48:25,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:48:25,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:48:25,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:48:25,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 [2018-12-01 19:48:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure mp_add [2018-12-01 19:48:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mp_add [2018-12-01 19:48:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:48:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:48:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:48:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:48:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:48:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:48:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 19:48:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 19:48:25,786 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:48:25,786 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 19:48:25,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:25 BoogieIcfgContainer [2018-12-01 19:48:25,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:48:25,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:48:25,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:48:25,789 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:48:25,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:48:25" (1/3) ... [2018-12-01 19:48:25,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e163ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:48:25, skipping insertion in model container [2018-12-01 19:48:25,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:25" (2/3) ... [2018-12-01 19:48:25,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e163ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:48:25, skipping insertion in model container [2018-12-01 19:48:25,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:25" (3/3) ... [2018-12-01 19:48:25,791 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1_false-no-overflow.i [2018-12-01 19:48:25,796 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:48:25,801 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2018-12-01 19:48:25,810 INFO L257 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2018-12-01 19:48:25,831 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:48:25,831 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:48:25,831 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:48:25,831 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:48:25,832 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:48:25,832 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:48:25,832 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:48:25,832 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:48:25,832 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:48:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-12-01 19:48:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:48:25,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:25,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:48:25,851 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:25,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1025559455, now seen corresponding path program 1 times [2018-12-01 19:48:25,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:25,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:25,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:25,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:25,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:48:25,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:25,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-12-01 19:48:25,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 19:48:25,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 19:48:25,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 19:48:25,947 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-12-01 19:48:25,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:25,963 INFO L93 Difference]: Finished difference Result 154 states and 197 transitions. [2018-12-01 19:48:25,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 19:48:25,964 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-12-01 19:48:25,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:25,969 INFO L225 Difference]: With dead ends: 154 [2018-12-01 19:48:25,969 INFO L226 Difference]: Without dead ends: 74 [2018-12-01 19:48:25,971 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 [2018-12-01 19:48:25,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-01 19:48:25,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-12-01 19:48:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-01 19:48:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2018-12-01 19:48:25,994 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 9 [2018-12-01 19:48:25,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:25,994 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2018-12-01 19:48:25,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 19:48:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-12-01 19:48:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:48:25,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:25,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:48:25,996 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:25,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:25,996 INFO L82 PathProgramCache]: Analyzing trace with hash -133733111, now seen corresponding path program 1 times [2018-12-01 19:48:25,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:25,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:25,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:25,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:25,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:48:26,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:48:26,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:48:26,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:48:26,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:48:26,064 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand 3 states. [2018-12-01 19:48:26,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,160 INFO L93 Difference]: Finished difference Result 150 states and 217 transitions. [2018-12-01 19:48:26,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:48:26,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-12-01 19:48:26,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,162 INFO L225 Difference]: With dead ends: 150 [2018-12-01 19:48:26,162 INFO L226 Difference]: Without dead ends: 103 [2018-12-01 19:48:26,163 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 [2018-12-01 19:48:26,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-01 19:48:26,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2018-12-01 19:48:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-01 19:48:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 129 transitions. [2018-12-01 19:48:26,169 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 129 transitions. Word has length 18 [2018-12-01 19:48:26,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,170 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 129 transitions. [2018-12-01 19:48:26,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:48:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2018-12-01 19:48:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:48:26,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,170 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] [2018-12-01 19:48:26,171 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,171 INFO L82 PathProgramCache]: Analyzing trace with hash -375227645, now seen corresponding path program 1 times [2018-12-01 19:48:26,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:48:26,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 19:48:26,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 19:48:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 19:48:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:48:26,237 INFO L87 Difference]: Start difference. First operand 99 states and 129 transitions. Second operand 4 states. [2018-12-01 19:48:26,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,382 INFO L93 Difference]: Finished difference Result 219 states and 322 transitions. [2018-12-01 19:48:26,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 19:48:26,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-12-01 19:48:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,383 INFO L225 Difference]: With dead ends: 219 [2018-12-01 19:48:26,383 INFO L226 Difference]: Without dead ends: 172 [2018-12-01 19:48:26,384 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 [2018-12-01 19:48:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-12-01 19:48:26,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2018-12-01 19:48:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-01 19:48:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2018-12-01 19:48:26,389 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 25 [2018-12-01 19:48:26,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,389 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2018-12-01 19:48:26,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 19:48:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2018-12-01 19:48:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 19:48:26,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,390 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] [2018-12-01 19:48:26,390 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,391 INFO L82 PathProgramCache]: Analyzing trace with hash -740983547, now seen corresponding path program 1 times [2018-12-01 19:48:26,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:48:26,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 19:48:26,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 19:48:26,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 19:48:26,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:48:26,449 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 4 states. [2018-12-01 19:48:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,578 INFO L93 Difference]: Finished difference Result 319 states and 452 transitions. [2018-12-01 19:48:26,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 19:48:26,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-12-01 19:48:26,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,579 INFO L225 Difference]: With dead ends: 319 [2018-12-01 19:48:26,579 INFO L226 Difference]: Without dead ends: 227 [2018-12-01 19:48:26,580 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 [2018-12-01 19:48:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-01 19:48:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 163. [2018-12-01 19:48:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-01 19:48:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 227 transitions. [2018-12-01 19:48:26,587 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 227 transitions. Word has length 32 [2018-12-01 19:48:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,587 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 227 transitions. [2018-12-01 19:48:26,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 19:48:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2018-12-01 19:48:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 19:48:26,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,588 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] [2018-12-01 19:48:26,589 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1838487559, now seen corresponding path program 1 times [2018-12-01 19:48:26,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:48:26,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 19:48:26,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 19:48:26,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 19:48:26,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 19:48:26,638 INFO L87 Difference]: Start difference. First operand 163 states and 227 transitions. Second operand 5 states. [2018-12-01 19:48:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,788 INFO L93 Difference]: Finished difference Result 460 states and 643 transitions. [2018-12-01 19:48:26,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 19:48:26,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-01 19:48:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,789 INFO L225 Difference]: With dead ends: 460 [2018-12-01 19:48:26,789 INFO L226 Difference]: Without dead ends: 327 [2018-12-01 19:48:26,790 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 [2018-12-01 19:48:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-12-01 19:48:26,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 176. [2018-12-01 19:48:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-01 19:48:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 243 transitions. [2018-12-01 19:48:26,797 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 243 transitions. Word has length 39 [2018-12-01 19:48:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,797 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 243 transitions. [2018-12-01 19:48:26,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 19:48:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 243 transitions. [2018-12-01 19:48:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 19:48:26,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,798 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] [2018-12-01 19:48:26,799 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1692244499, now seen corresponding path program 1 times [2018-12-01 19:48:26,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 19:48:26,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 19:48:26,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 19:48:26,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 19:48:26,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 19:48:26,855 INFO L87 Difference]: Start difference. First operand 176 states and 243 transitions. Second operand 5 states. [2018-12-01 19:48:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,870 INFO L93 Difference]: Finished difference Result 308 states and 431 transitions. [2018-12-01 19:48:26,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 19:48:26,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-12-01 19:48:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,871 INFO L225 Difference]: With dead ends: 308 [2018-12-01 19:48:26,871 INFO L226 Difference]: Without dead ends: 153 [2018-12-01 19:48:26,872 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 [2018-12-01 19:48:26,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-01 19:48:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-01 19:48:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-01 19:48:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 212 transitions. [2018-12-01 19:48:26,876 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 212 transitions. Word has length 42 [2018-12-01 19:48:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,877 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 212 transitions. [2018-12-01 19:48:26,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 19:48:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 212 transitions. [2018-12-01 19:48:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:48:26,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:48:26,878 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1208666722, now seen corresponding path program 1 times [2018-12-01 19:48:26,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 19:48:26,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:26,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:48:26,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:48:26,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:48:26,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:48:26,910 INFO L87 Difference]: Start difference. First operand 153 states and 212 transitions. Second operand 3 states. [2018-12-01 19:48:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:26,918 INFO L93 Difference]: Finished difference Result 210 states and 292 transitions. [2018-12-01 19:48:26,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:48:26,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-01 19:48:26,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:26,919 INFO L225 Difference]: With dead ends: 210 [2018-12-01 19:48:26,919 INFO L226 Difference]: Without dead ends: 180 [2018-12-01 19:48:26,920 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 [2018-12-01 19:48:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-12-01 19:48:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-12-01 19:48:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-12-01 19:48:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 250 transitions. [2018-12-01 19:48:26,925 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 250 transitions. Word has length 48 [2018-12-01 19:48:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:26,926 INFO L480 AbstractCegarLoop]: Abstraction has 180 states and 250 transitions. [2018-12-01 19:48:26,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:48:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 250 transitions. [2018-12-01 19:48:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:48:26,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:26,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:48:26,928 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:26,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:26,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1718139812, now seen corresponding path program 1 times [2018-12-01 19:48:26,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:26,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:26,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:26,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 19:48:27,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:27,064 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 [2018-12-01 19:48:27,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:27,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 19:48:27,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:48:27,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2018-12-01 19:48:27,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 19:48:27,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 19:48:27,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-01 19:48:27,176 INFO L87 Difference]: Start difference. First operand 180 states and 250 transitions. Second operand 11 states. [2018-12-01 19:48:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:27,820 INFO L93 Difference]: Finished difference Result 1012 states and 1444 transitions. [2018-12-01 19:48:27,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 19:48:27,820 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2018-12-01 19:48:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:27,822 INFO L225 Difference]: With dead ends: 1012 [2018-12-01 19:48:27,823 INFO L226 Difference]: Without dead ends: 831 [2018-12-01 19:48:27,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2018-12-01 19:48:27,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-12-01 19:48:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 439. [2018-12-01 19:48:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-12-01 19:48:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 587 transitions. [2018-12-01 19:48:27,840 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 587 transitions. Word has length 48 [2018-12-01 19:48:27,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:27,840 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 587 transitions. [2018-12-01 19:48:27,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 19:48:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 587 transitions. [2018-12-01 19:48:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 19:48:27,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:27,842 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1] [2018-12-01 19:48:27,843 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:27,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:27,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1967996065, now seen corresponding path program 1 times [2018-12-01 19:48:27,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:27,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:27,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:27,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:27,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 19:48:27,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:27,924 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 [2018-12-01 19:48:27,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:27,945 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 19:48:27,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:48:27,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2018-12-01 19:48:27,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 19:48:27,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 19:48:27,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:48:27,984 INFO L87 Difference]: Start difference. First operand 439 states and 587 transitions. Second operand 8 states. [2018-12-01 19:48:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:28,634 INFO L93 Difference]: Finished difference Result 987 states and 1374 transitions. [2018-12-01 19:48:28,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 19:48:28,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2018-12-01 19:48:28,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:28,636 INFO L225 Difference]: With dead ends: 987 [2018-12-01 19:48:28,636 INFO L226 Difference]: Without dead ends: 524 [2018-12-01 19:48:28,637 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-01 19:48:28,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-12-01 19:48:28,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 313. [2018-12-01 19:48:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-12-01 19:48:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 373 transitions. [2018-12-01 19:48:28,647 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 373 transitions. Word has length 69 [2018-12-01 19:48:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:28,648 INFO L480 AbstractCegarLoop]: Abstraction has 313 states and 373 transitions. [2018-12-01 19:48:28,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 19:48:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions. [2018-12-01 19:48:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 19:48:28,649 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:28,649 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] [2018-12-01 19:48:28,650 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:28,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:28,650 INFO L82 PathProgramCache]: Analyzing trace with hash 119876796, now seen corresponding path program 1 times [2018-12-01 19:48:28,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:28,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:28,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:28,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:28,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 15 proven. 43 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 19:48:28,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:28,818 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/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 [2018-12-01 19:48:28,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:28,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:48:28,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:48:28,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2018-12-01 19:48:28,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 19:48:28,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 19:48:28,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-01 19:48:28,913 INFO L87 Difference]: Start difference. First operand 313 states and 373 transitions. Second operand 13 states. [2018-12-01 19:48:30,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:30,392 INFO L93 Difference]: Finished difference Result 2116 states and 2527 transitions. [2018-12-01 19:48:30,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-01 19:48:30,393 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2018-12-01 19:48:30,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:30,396 INFO L225 Difference]: With dead ends: 2116 [2018-12-01 19:48:30,396 INFO L226 Difference]: Without dead ends: 1775 [2018-12-01 19:48:30,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=429, Invalid=1551, Unknown=0, NotChecked=0, Total=1980 [2018-12-01 19:48:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2018-12-01 19:48:30,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 774. [2018-12-01 19:48:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2018-12-01 19:48:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1016 transitions. [2018-12-01 19:48:30,414 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1016 transitions. Word has length 85 [2018-12-01 19:48:30,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:30,415 INFO L480 AbstractCegarLoop]: Abstraction has 774 states and 1016 transitions. [2018-12-01 19:48:30,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 19:48:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1016 transitions. [2018-12-01 19:48:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 19:48:30,415 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:30,416 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-12-01 19:48:30,416 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:30,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:30,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1085051884, now seen corresponding path program 1 times [2018-12-01 19:48:30,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:30,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:30,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 19:48:30,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:30,547 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:48:30,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:30,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 19:48:30,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:48:30,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 12 [2018-12-01 19:48:30,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 19:48:30,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 19:48:30,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-12-01 19:48:30,651 INFO L87 Difference]: Start difference. First operand 774 states and 1016 transitions. Second operand 12 states. [2018-12-01 19:48:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:30,976 INFO L93 Difference]: Finished difference Result 1962 states and 2560 transitions. [2018-12-01 19:48:30,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 19:48:30,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-01 19:48:30,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:30,979 INFO L225 Difference]: With dead ends: 1962 [2018-12-01 19:48:30,979 INFO L226 Difference]: Without dead ends: 1218 [2018-12-01 19:48:30,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-12-01 19:48:30,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2018-12-01 19:48:30,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 739. [2018-12-01 19:48:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2018-12-01 19:48:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 996 transitions. [2018-12-01 19:48:30,996 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 996 transitions. Word has length 88 [2018-12-01 19:48:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:30,996 INFO L480 AbstractCegarLoop]: Abstraction has 739 states and 996 transitions. [2018-12-01 19:48:30,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 19:48:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 996 transitions. [2018-12-01 19:48:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 19:48:30,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:30,997 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2018-12-01 19:48:30,997 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:30,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:30,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1522493072, now seen corresponding path program 1 times [2018-12-01 19:48:30,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:30,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:30,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:30,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:30,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:48:31,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:48:31,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 19:48:31,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 19:48:31,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 19:48:31,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:48:31,074 INFO L87 Difference]: Start difference. First operand 739 states and 996 transitions. Second operand 8 states. [2018-12-01 19:48:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:31,492 INFO L93 Difference]: Finished difference Result 1848 states and 2539 transitions. [2018-12-01 19:48:31,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 19:48:31,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-01 19:48:31,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:31,495 INFO L225 Difference]: With dead ends: 1848 [2018-12-01 19:48:31,495 INFO L226 Difference]: Without dead ends: 1115 [2018-12-01 19:48:31,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:48:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-12-01 19:48:31,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 872. [2018-12-01 19:48:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2018-12-01 19:48:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1151 transitions. [2018-12-01 19:48:31,513 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1151 transitions. Word has length 88 [2018-12-01 19:48:31,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:31,513 INFO L480 AbstractCegarLoop]: Abstraction has 872 states and 1151 transitions. [2018-12-01 19:48:31,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 19:48:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1151 transitions. [2018-12-01 19:48:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 19:48:31,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:31,514 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2018-12-01 19:48:31,514 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:31,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:31,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1431933580, now seen corresponding path program 1 times [2018-12-01 19:48:31,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:31,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:31,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:31,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:31,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 19:48:31,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:31,662 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:48:31,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:31,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 19:48:31,814 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 19:48:31,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2018-12-01 19:48:31,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 19:48:31,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 19:48:31,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:48:31,815 INFO L87 Difference]: Start difference. First operand 872 states and 1151 transitions. Second operand 14 states. [2018-12-01 19:48:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:32,727 INFO L93 Difference]: Finished difference Result 3480 states and 4255 transitions. [2018-12-01 19:48:32,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 19:48:32,727 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2018-12-01 19:48:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:32,729 INFO L225 Difference]: With dead ends: 3480 [2018-12-01 19:48:32,729 INFO L226 Difference]: Without dead ends: 1293 [2018-12-01 19:48:32,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 82 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2018-12-01 19:48:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2018-12-01 19:48:32,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 379. [2018-12-01 19:48:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-01 19:48:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 477 transitions. [2018-12-01 19:48:32,748 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 477 transitions. Word has length 90 [2018-12-01 19:48:32,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:32,749 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 477 transitions. [2018-12-01 19:48:32,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 19:48:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 477 transitions. [2018-12-01 19:48:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 19:48:32,749 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:32,750 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] [2018-12-01 19:48:32,750 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:32,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:32,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1110142188, now seen corresponding path program 1 times [2018-12-01 19:48:32,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:32,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:32,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:32,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:32,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 19:48:32,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:48:32,835 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6647c283-4179-43e9-ac75-8075b0e66934/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:48:32,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:48:32,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:48:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 19:48:32,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 19:48:32,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-01 19:48:32,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 19:48:32,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 19:48:32,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-01 19:48:32,928 INFO L87 Difference]: Start difference. First operand 379 states and 477 transitions. Second operand 11 states. [2018-12-01 19:48:33,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:48:33,287 INFO L93 Difference]: Finished difference Result 990 states and 1254 transitions. [2018-12-01 19:48:33,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 19:48:33,287 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2018-12-01 19:48:33,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:48:33,288 INFO L225 Difference]: With dead ends: 990 [2018-12-01 19:48:33,288 INFO L226 Difference]: Without dead ends: 442 [2018-12-01 19:48:33,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-12-01 19:48:33,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2018-12-01 19:48:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 428. [2018-12-01 19:48:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-12-01 19:48:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 533 transitions. [2018-12-01 19:48:33,305 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 533 transitions. Word has length 96 [2018-12-01 19:48:33,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:48:33,306 INFO L480 AbstractCegarLoop]: Abstraction has 428 states and 533 transitions. [2018-12-01 19:48:33,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 19:48:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 533 transitions. [2018-12-01 19:48:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 19:48:33,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:48:33,307 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 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] [2018-12-01 19:48:33,308 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 19:48:33,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:48:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1017750731, now seen corresponding path program 1 times [2018-12-01 19:48:33,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:48:33,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:48:33,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:33,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:48:33,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:48:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:48:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:48:33,391 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 19:48:33,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 07:48:33 BoogieIcfgContainer [2018-12-01 19:48:33,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 19:48:33,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:48:33,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:48:33,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:48:33,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:25" (3/4) ... [2018-12-01 19:48:33,442 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 19:48:33,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:48:33,442 INFO L168 Benchmark]: Toolchain (without parser) took 8173.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 953.3 MB in the beginning and 896.5 MB in the end (delta: 56.8 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:48:33,443 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:48:33,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:48:33,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.45 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:48:33,444 INFO L168 Benchmark]: Boogie Preprocessor took 50.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:48:33,444 INFO L168 Benchmark]: RCFGBuilder took 286.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:48:33,444 INFO L168 Benchmark]: TraceAbstraction took 7651.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 896.5 MB in the end (delta: 169.0 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:48:33,445 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 896.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:48:33,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.45 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 286.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7651.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 896.5 MB in the end (delta: 169.0 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 896.5 MB. 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] b = __VERIFIER_nondet_uint() [L109] a = 234770789 VAL [a=234770789, b=-2382254437] [L111] CALL mp_add(a, b) VAL [\old(a)=234770789, \old(b)=1912712859] [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)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, na=4] [L40] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, na=4] [L49] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, na=4, nb=4] [L50] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, na=4, nb=4] [L59] carry = (unsigned short)0 [L60] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, 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)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=0] [L64] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=0] [L65] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=0] [L65] EXPR partial_sum + a0 [L65] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L66] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L67] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L68] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L70] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L71] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=101] [L71] EXPR partial_sum + b0 [L71] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=256] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=256] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=256] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=0, na=4, nb=4, partial_sum=256] [L76] COND TRUE partial_sum > ((unsigned char)255) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=0, na=4, nb=4] [L80] COND TRUE i == (unsigned char)0 [L80] r0 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=0, na=4, nb=4, partial_sum=65106, r0=917074] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=0, na=4, nb=4, partial_sum=65106, r0=917074] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=0, na=4, nb=4, partial_sum=65106, r0=917074] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=0, na=4, nb=4, partial_sum=65106, r0=917074] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, partial_sum=65106, r0=917074] [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=917074] [L64] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=917074] [L65] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=917074] [L66] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=917074] [L66] EXPR partial_sum + a1 [L66] partial_sum = partial_sum + a1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L67] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L68] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L70] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L72] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=917074] [L72] EXPR partial_sum + b1 [L72] partial_sum = partial_sum + b1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=917074] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=917074] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=917074] [L76] COND TRUE partial_sum > ((unsigned char)255) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, r0=917074] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, r0=917074] [L81] COND TRUE i == (unsigned char)1 [L81] r1 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=917074, r1=0] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=917074, r1=0] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=917074, r1=0] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=917074, 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)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=917074, r1=0] [L64] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=917074, r1=0] [L65] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=917074, r1=0] [L66] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=917074, r1=0] [L67] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=917074, r1=0] [L67] EXPR partial_sum + a2 [L67] partial_sum = partial_sum + a2 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L68] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L70] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L73] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=917074, r1=0] [L73] EXPR partial_sum + b2 [L73] partial_sum = partial_sum + b2 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=917074, r1=0] [L74] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=917074, r1=0] [L76] COND TRUE partial_sum > ((unsigned char)255) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, r0=917074, r1=0] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, r0=917074, r1=0] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, r0=917074, r1=0] [L82] COND TRUE i == (unsigned char)2 [L82] r2 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=917074, r1=0, r2=0] [L83] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=917074, r1=0, r2=0] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=1, i=3, na=4, nb=4, partial_sum=0, r0=917074, 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)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L64] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L65] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L66] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L67] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L68] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=917074, r1=0, r2=0] [L68] EXPR partial_sum + a3 [L68] partial_sum = partial_sum + a3 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L70] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L71] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L72] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L73] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L74] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=917074, r1=0, r2=0] [L74] EXPR partial_sum + b3 [L74] partial_sum = partial_sum + b3 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0] [L76] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0] [L80] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0] [L81] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0] [L82] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0] [L83] COND TRUE i == (unsigned char)3 [L83] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L85] EXPR i + (unsigned char)1 [L85] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L61] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L88] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L97] r1 << 8U VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L97] r2 << 16U VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] [L97] r3 << 24U VAL [\old(a)=234770789, \old(b)=1912712859, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1912712859, b0=-2382254437, b1=-9305682, b2=-36351, b3=-142, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=917074, r1=0, r2=0, r3=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 126 locations, 38 error locations. UNSAFE Result, 7.6s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1652 SDtfs, 4105 SDslu, 5300 SDs, 0 SdLazy, 5325 SolverSat, 499 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 653 GetRequests, 480 SyntacticMatches, 14 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=12, 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: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 3521 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1233 ConstructedInterpolants, 77 QuantifiedInterpolants, 577875 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1027 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 818/970 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...