./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f493a0ec5685991b86ced08697f863f174636a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:50:50,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:50:50,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:50:50,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:50:50,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:50:50,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:50:51,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:50:51,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:50:51,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:50:51,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:50:51,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:50:51,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:50:51,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:50:51,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:50:51,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:50:51,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:50:51,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:50:51,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:50:51,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:50:51,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:50:51,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:50:51,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:50:51,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:50:51,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:50:51,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:50:51,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:50:51,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:50:51,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:50:51,020 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:50:51,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:50:51,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:50:51,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:50:51,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:50:51,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:50:51,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:50:51,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:50:51,024 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:50:51,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:50:51,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:50:51,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:50:51,035 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:50:51,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:50:51,036 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:50:51,037 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:50:51,037 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:50:51,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:50:51,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:50:51,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:50:51,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:50:51,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:50:51,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:50:51,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:50:51,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:50:51,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:50:51,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:50:51,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:50:51,042 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:50:51,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:50:51,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:50:51,042 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:50:51,042 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2018-10-27 05:50:51,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:50:51,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:50:51,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:50:51,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:50:51,081 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:50:51,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-10-27 05:50:51,125 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/data/5ef7b839e/1d06d0ee53ed4b6182a4a1aab466a45f/FLAG670155426 [2018-10-27 05:50:51,494 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:50:51,495 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-10-27 05:50:51,501 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/data/5ef7b839e/1d06d0ee53ed4b6182a4a1aab466a45f/FLAG670155426 [2018-10-27 05:50:51,512 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/data/5ef7b839e/1d06d0ee53ed4b6182a4a1aab466a45f [2018-10-27 05:50:51,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:50:51,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:50:51,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:50:51,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:50:51,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:50:51,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b49c8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51, skipping insertion in model container [2018-10-27 05:50:51,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:50:51,546 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:50:51,660 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:50:51,663 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:50:51,679 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:50:51,688 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:50:51,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51 WrapperNode [2018-10-27 05:50:51,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:50:51,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:50:51,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:50:51,689 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:50:51,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:50:51,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:50:51,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:50:51,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:50:51,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... [2018-10-27 05:50:51,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:50:51,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:50:51,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:50:51,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:50:51,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:50:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:50:52,422 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:50:52,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:52 BoogieIcfgContainer [2018-10-27 05:50:52,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:50:52,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:50:52,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:50:52,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:50:52,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:50:51" (1/3) ... [2018-10-27 05:50:52,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16783710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:50:52, skipping insertion in model container [2018-10-27 05:50:52,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:51" (2/3) ... [2018-10-27 05:50:52,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16783710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:50:52, skipping insertion in model container [2018-10-27 05:50:52,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:52" (3/3) ... [2018-10-27 05:50:52,429 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-10-27 05:50:52,437 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:50:52,444 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-10-27 05:50:52,461 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-10-27 05:50:52,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:50:52,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:50:52,491 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:50:52,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:50:52,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:50:52,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:50:52,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:50:52,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:50:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-10-27 05:50:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:50:52,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:52,514 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:52,517 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:52,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:52,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713781, now seen corresponding path program 1 times [2018-10-27 05:50:52,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:52,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:52,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:52,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:52,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:52,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:52,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:50:52,692 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:52,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:50:52,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:50:52,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:52,709 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 3 states. [2018-10-27 05:50:53,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:53,190 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-10-27 05:50:53,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:50:53,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 05:50:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:53,200 INFO L225 Difference]: With dead ends: 189 [2018-10-27 05:50:53,201 INFO L226 Difference]: Without dead ends: 98 [2018-10-27 05:50:53,204 INFO L605 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 [2018-10-27 05:50:53,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-27 05:50:53,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 88. [2018-10-27 05:50:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-27 05:50:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2018-10-27 05:50:53,234 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 8 [2018-10-27 05:50:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:53,234 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2018-10-27 05:50:53,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:50:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2018-10-27 05:50:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:50:53,235 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:53,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:53,237 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:53,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:53,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713589, now seen corresponding path program 1 times [2018-10-27 05:50:53,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,239 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:53,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:53,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:50:53,269 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:53,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:50:53,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:50:53,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:53,270 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2018-10-27 05:50:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:53,688 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2018-10-27 05:50:53,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:50:53,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 05:50:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:53,689 INFO L225 Difference]: With dead ends: 119 [2018-10-27 05:50:53,690 INFO L226 Difference]: Without dead ends: 103 [2018-10-27 05:50:53,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-27 05:50:53,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2018-10-27 05:50:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-10-27 05:50:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-10-27 05:50:53,698 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 8 [2018-10-27 05:50:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:53,699 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-10-27 05:50:53,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:50:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-10-27 05:50:53,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:50:53,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:53,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:53,700 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:53,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:53,700 INFO L82 PathProgramCache]: Analyzing trace with hash 359611998, now seen corresponding path program 1 times [2018-10-27 05:50:53,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:53,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:53,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,702 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:53,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:53,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:50:53,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:53,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:50:53,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:50:53,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:53,734 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 3 states. [2018-10-27 05:50:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:53,921 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-10-27 05:50:53,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:50:53,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-10-27 05:50:53,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:53,925 INFO L225 Difference]: With dead ends: 96 [2018-10-27 05:50:53,925 INFO L226 Difference]: Without dead ends: 95 [2018-10-27 05:50:53,925 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-27 05:50:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-10-27 05:50:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-10-27 05:50:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-10-27 05:50:53,931 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 9 [2018-10-27 05:50:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:53,931 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-10-27 05:50:53,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:50:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-27 05:50:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:50:53,934 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:53,934 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:53,935 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:53,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:53,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1926764284, now seen corresponding path program 1 times [2018-10-27 05:50:53,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:53,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:53,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:53,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:53,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:53,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:50:53,993 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:53,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:50:53,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:50:53,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:53,994 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 4 states. [2018-10-27 05:50:54,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:54,240 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2018-10-27 05:50:54,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:50:54,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-10-27 05:50:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:54,241 INFO L225 Difference]: With dead ends: 136 [2018-10-27 05:50:54,241 INFO L226 Difference]: Without dead ends: 129 [2018-10-27 05:50:54,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-27 05:50:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 101. [2018-10-27 05:50:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-27 05:50:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-10-27 05:50:54,249 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 11 [2018-10-27 05:50:54,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:54,250 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-10-27 05:50:54,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:50:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-10-27 05:50:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:50:54,250 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:54,250 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:54,251 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:54,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:54,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1552658819, now seen corresponding path program 1 times [2018-10-27 05:50:54,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:54,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:54,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:54,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:54,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:50:54,288 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:54,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:50:54,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:50:54,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:54,289 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 4 states. [2018-10-27 05:50:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:54,437 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-10-27 05:50:54,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:50:54,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-10-27 05:50:54,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:54,438 INFO L225 Difference]: With dead ends: 111 [2018-10-27 05:50:54,438 INFO L226 Difference]: Without dead ends: 110 [2018-10-27 05:50:54,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-27 05:50:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-10-27 05:50:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-27 05:50:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-10-27 05:50:54,445 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 12 [2018-10-27 05:50:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:54,445 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-10-27 05:50:54,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:50:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-10-27 05:50:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:50:54,446 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:54,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:54,447 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:54,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash -2003065501, now seen corresponding path program 1 times [2018-10-27 05:50:54,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:54,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:54,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:54,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:54,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 05:50:54,509 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:54,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 05:50:54,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 05:50:54,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:50:54,509 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 5 states. [2018-10-27 05:50:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:54,669 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2018-10-27 05:50:54,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 05:50:54,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-10-27 05:50:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:54,671 INFO L225 Difference]: With dead ends: 158 [2018-10-27 05:50:54,671 INFO L226 Difference]: Without dead ends: 152 [2018-10-27 05:50:54,672 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:50:54,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-10-27 05:50:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 110. [2018-10-27 05:50:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-27 05:50:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-10-27 05:50:54,679 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 14 [2018-10-27 05:50:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:54,679 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-10-27 05:50:54,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 05:50:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-10-27 05:50:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:50:54,680 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:54,680 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:54,681 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:54,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:54,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1538824564, now seen corresponding path program 1 times [2018-10-27 05:50:54,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:54,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:54,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:54,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:54,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:54,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 05:50:54,725 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:54,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 05:50:54,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 05:50:54,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:50:54,726 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 5 states. [2018-10-27 05:50:55,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:55,006 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-10-27 05:50:55,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 05:50:55,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-10-27 05:50:55,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:55,009 INFO L225 Difference]: With dead ends: 120 [2018-10-27 05:50:55,009 INFO L226 Difference]: Without dead ends: 119 [2018-10-27 05:50:55,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:50:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-27 05:50:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-10-27 05:50:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-27 05:50:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-10-27 05:50:55,025 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 15 [2018-10-27 05:50:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:55,025 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-10-27 05:50:55,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 05:50:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-10-27 05:50:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:50:55,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:55,027 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:55,032 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:55,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:55,034 INFO L82 PathProgramCache]: Analyzing trace with hash 951345130, now seen corresponding path program 1 times [2018-10-27 05:50:55,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:55,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:55,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,036 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:55,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:55,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 05:50:55,104 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:55,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 05:50:55,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 05:50:55,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-27 05:50:55,105 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 6 states. [2018-10-27 05:50:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:55,309 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-10-27 05:50:55,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 05:50:55,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-10-27 05:50:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:55,310 INFO L225 Difference]: With dead ends: 177 [2018-10-27 05:50:55,310 INFO L226 Difference]: Without dead ends: 172 [2018-10-27 05:50:55,311 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-27 05:50:55,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-10-27 05:50:55,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 113. [2018-10-27 05:50:55,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-27 05:50:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-10-27 05:50:55,316 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 17 [2018-10-27 05:50:55,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:55,316 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-10-27 05:50:55,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 05:50:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-10-27 05:50:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:50:55,317 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:55,317 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:55,318 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:55,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:55,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1358421809, now seen corresponding path program 1 times [2018-10-27 05:50:55,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:55,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:55,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,320 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:55,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:55,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 05:50:55,380 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:55,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 05:50:55,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 05:50:55,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-27 05:50:55,381 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 6 states. [2018-10-27 05:50:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:55,472 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2018-10-27 05:50:55,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 05:50:55,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-10-27 05:50:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:55,474 INFO L225 Difference]: With dead ends: 123 [2018-10-27 05:50:55,474 INFO L226 Difference]: Without dead ends: 122 [2018-10-27 05:50:55,474 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-27 05:50:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-27 05:50:55,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2018-10-27 05:50:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-27 05:50:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-10-27 05:50:55,478 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 18 [2018-10-27 05:50:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:55,478 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-10-27 05:50:55,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 05:50:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-10-27 05:50:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:50:55,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:55,479 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:55,480 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:55,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:55,480 INFO L82 PathProgramCache]: Analyzing trace with hash -966329775, now seen corresponding path program 1 times [2018-10-27 05:50:55,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:55,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:55,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,481 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:55,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:55,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 05:50:55,556 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:55,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 05:50:55,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 05:50:55,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:50:55,557 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 7 states. [2018-10-27 05:50:55,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:55,837 INFO L93 Difference]: Finished difference Result 193 states and 202 transitions. [2018-10-27 05:50:55,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 05:50:55,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-27 05:50:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:55,838 INFO L225 Difference]: With dead ends: 193 [2018-10-27 05:50:55,838 INFO L226 Difference]: Without dead ends: 189 [2018-10-27 05:50:55,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:50:55,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-10-27 05:50:55,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 110. [2018-10-27 05:50:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-27 05:50:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-10-27 05:50:55,844 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 20 [2018-10-27 05:50:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:55,845 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-10-27 05:50:55,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 05:50:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-10-27 05:50:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 05:50:55,846 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:55,846 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:55,847 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:55,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:55,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1562353338, now seen corresponding path program 1 times [2018-10-27 05:50:55,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:55,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:55,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:55,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:55,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:55,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 05:50:55,893 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:55,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 05:50:55,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 05:50:55,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:50:55,894 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 7 states. [2018-10-27 05:50:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:56,111 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-10-27 05:50:56,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 05:50:56,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-10-27 05:50:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:56,112 INFO L225 Difference]: With dead ends: 120 [2018-10-27 05:50:56,112 INFO L226 Difference]: Without dead ends: 119 [2018-10-27 05:50:56,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:50:56,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-27 05:50:56,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-10-27 05:50:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-10-27 05:50:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-10-27 05:50:56,115 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 21 [2018-10-27 05:50:56,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:56,115 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-10-27 05:50:56,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 05:50:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-10-27 05:50:56,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 05:50:56,116 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:56,116 INFO L375 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] [2018-10-27 05:50:56,117 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:56,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:56,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1235560664, now seen corresponding path program 1 times [2018-10-27 05:50:56,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:56,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:56,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:56,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:56,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:56,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:56,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 05:50:56,201 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:56,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 05:50:56,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 05:50:56,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-27 05:50:56,201 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 8 states. [2018-10-27 05:50:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:57,364 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2018-10-27 05:50:57,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 05:50:57,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-10-27 05:50:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:57,365 INFO L225 Difference]: With dead ends: 206 [2018-10-27 05:50:57,365 INFO L226 Difference]: Without dead ends: 203 [2018-10-27 05:50:57,366 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-27 05:50:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-10-27 05:50:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 101. [2018-10-27 05:50:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-10-27 05:50:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-10-27 05:50:57,369 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 23 [2018-10-27 05:50:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:57,369 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-10-27 05:50:57,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 05:50:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-10-27 05:50:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 05:50:57,370 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:57,370 INFO L375 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] [2018-10-27 05:50:57,371 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:57,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:57,372 INFO L82 PathProgramCache]: Analyzing trace with hash -492176161, now seen corresponding path program 1 times [2018-10-27 05:50:57,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:57,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:57,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:57,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:57,373 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:57,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:57,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 05:50:57,430 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:57,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 05:50:57,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 05:50:57,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-27 05:50:57,431 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 8 states. [2018-10-27 05:50:57,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:57,498 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-10-27 05:50:57,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 05:50:57,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-10-27 05:50:57,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:57,500 INFO L225 Difference]: With dead ends: 111 [2018-10-27 05:50:57,500 INFO L226 Difference]: Without dead ends: 110 [2018-10-27 05:50:57,500 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-27 05:50:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-27 05:50:57,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-10-27 05:50:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-27 05:50:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-10-27 05:50:57,503 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 24 [2018-10-27 05:50:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:57,503 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-10-27 05:50:57,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 05:50:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-10-27 05:50:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 05:50:57,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:57,504 INFO L375 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, 1] [2018-10-27 05:50:57,505 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:57,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:57,505 INFO L82 PathProgramCache]: Analyzing trace with hash 718131007, now seen corresponding path program 1 times [2018-10-27 05:50:57,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:57,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:57,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:57,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:57,506 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:57,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:57,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 05:50:57,804 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:57,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 05:50:57,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 05:50:57,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:50:57,805 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 9 states. [2018-10-27 05:50:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:58,134 INFO L93 Difference]: Finished difference Result 216 states and 225 transitions. [2018-10-27 05:50:58,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 05:50:58,135 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-10-27 05:50:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:58,136 INFO L225 Difference]: With dead ends: 216 [2018-10-27 05:50:58,136 INFO L226 Difference]: Without dead ends: 214 [2018-10-27 05:50:58,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:50:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-10-27 05:50:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 86. [2018-10-27 05:50:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-10-27 05:50:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-10-27 05:50:58,138 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 26 [2018-10-27 05:50:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:58,138 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-10-27 05:50:58,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 05:50:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-10-27 05:50:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 05:50:58,139 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:58,139 INFO L375 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, 1, 1] [2018-10-27 05:50:58,141 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:58,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:58,142 INFO L82 PathProgramCache]: Analyzing trace with hash 598468328, now seen corresponding path program 1 times [2018-10-27 05:50:58,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:58,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:58,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,143 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:58,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:58,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 05:50:58,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:58,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 05:50:58,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 05:50:58,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:50:58,237 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 9 states. [2018-10-27 05:50:58,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:58,322 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-10-27 05:50:58,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 05:50:58,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-10-27 05:50:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:58,324 INFO L225 Difference]: With dead ends: 96 [2018-10-27 05:50:58,324 INFO L226 Difference]: Without dead ends: 95 [2018-10-27 05:50:58,324 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:50:58,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-27 05:50:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-10-27 05:50:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-10-27 05:50:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-10-27 05:50:58,326 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 27 [2018-10-27 05:50:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:58,326 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-10-27 05:50:58,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 05:50:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-27 05:50:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 05:50:58,327 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:58,327 INFO L375 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, 1, 1, 1, 1] [2018-10-27 05:50:58,332 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:58,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:58,332 INFO L82 PathProgramCache]: Analyzing trace with hash 608858566, now seen corresponding path program 1 times [2018-10-27 05:50:58,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:58,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:58,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,333 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:58,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:58,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 05:50:58,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:58,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 05:50:58,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 05:50:58,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:50:58,404 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 10 states. [2018-10-27 05:50:58,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:58,638 INFO L93 Difference]: Finished difference Result 223 states and 232 transitions. [2018-10-27 05:50:58,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 05:50:58,639 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-10-27 05:50:58,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:58,640 INFO L225 Difference]: With dead ends: 223 [2018-10-27 05:50:58,640 INFO L226 Difference]: Without dead ends: 222 [2018-10-27 05:50:58,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:50:58,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-10-27 05:50:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 65. [2018-10-27 05:50:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-27 05:50:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-10-27 05:50:58,642 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 29 [2018-10-27 05:50:58,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:58,642 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-10-27 05:50:58,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 05:50:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-10-27 05:50:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 05:50:58,643 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:58,647 INFO L375 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, 1, 1, 1, 1, 1] [2018-10-27 05:50:58,648 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:58,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 560859789, now seen corresponding path program 1 times [2018-10-27 05:50:58,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:58,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:58,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,650 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:58,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:58,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 05:50:58,839 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:58,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 05:50:58,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 05:50:58,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:50:58,839 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 10 states. [2018-10-27 05:50:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:58,965 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-10-27 05:50:58,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 05:50:58,965 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-10-27 05:50:58,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:58,966 INFO L225 Difference]: With dead ends: 75 [2018-10-27 05:50:58,966 INFO L226 Difference]: Without dead ends: 74 [2018-10-27 05:50:58,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:50:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-27 05:50:58,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2018-10-27 05:50:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-10-27 05:50:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2018-10-27 05:50:58,968 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 30 [2018-10-27 05:50:58,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:58,968 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2018-10-27 05:50:58,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 05:50:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2018-10-27 05:50:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 05:50:58,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:58,969 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:58,969 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:58,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:58,970 INFO L82 PathProgramCache]: Analyzing trace with hash 852779666, now seen corresponding path program 1 times [2018-10-27 05:50:58,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:58,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:58,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:58,971 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:59,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:59,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-27 05:50:59,048 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:59,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 05:50:59,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 05:50:59,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-10-27 05:50:59,049 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 12 states. [2018-10-27 05:50:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:59,485 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2018-10-27 05:50:59,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-27 05:50:59,486 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-10-27 05:50:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:59,486 INFO L225 Difference]: With dead ends: 213 [2018-10-27 05:50:59,486 INFO L226 Difference]: Without dead ends: 212 [2018-10-27 05:50:59,487 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-27 05:50:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-10-27 05:50:59,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 63. [2018-10-27 05:50:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-10-27 05:50:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-10-27 05:50:59,488 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 33 [2018-10-27 05:50:59,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:59,489 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-10-27 05:50:59,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 05:50:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-10-27 05:50:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:50:59,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:59,489 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:59,490 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:59,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash 666366035, now seen corresponding path program 1 times [2018-10-27 05:50:59,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:59,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:59,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:59,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:59,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:59,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:59,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-27 05:50:59,597 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:59,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 05:50:59,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 05:50:59,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-10-27 05:50:59,598 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 12 states. [2018-10-27 05:50:59,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:59,829 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2018-10-27 05:50:59,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 05:50:59,830 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-10-27 05:50:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:59,832 INFO L225 Difference]: With dead ends: 173 [2018-10-27 05:50:59,832 INFO L226 Difference]: Without dead ends: 172 [2018-10-27 05:50:59,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-27 05:50:59,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-10-27 05:50:59,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 67. [2018-10-27 05:50:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-10-27 05:50:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2018-10-27 05:50:59,836 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 34 [2018-10-27 05:50:59,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:59,836 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2018-10-27 05:50:59,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 05:50:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-10-27 05:50:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 05:50:59,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:59,837 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:59,838 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:59,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:59,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1332011605, now seen corresponding path program 1 times [2018-10-27 05:50:59,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:59,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:59,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:59,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:59,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:50:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:50:59,870 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:50:59,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:50:59 BoogieIcfgContainer [2018-10-27 05:50:59,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:50:59,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:50:59,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:50:59,895 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:50:59,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:52" (3/4) ... [2018-10-27 05:50:59,899 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:50:59,940 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a277476-c2e8-4a23-b2b4-0ffee90ff15c/bin-2019/utaipan/witness.graphml [2018-10-27 05:50:59,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:50:59,941 INFO L168 Benchmark]: Toolchain (without parser) took 8426.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,942 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:50:59,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.51 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.72 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:50:59,943 INFO L168 Benchmark]: Boogie Preprocessor took 20.43 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 942.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,945 INFO L168 Benchmark]: RCFGBuilder took 694.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,946 INFO L168 Benchmark]: TraceAbstraction took 7470.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,946 INFO L168 Benchmark]: Witness Printer took 46.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:59,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.51 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.72 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.43 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 942.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7470.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 VAL [x=-1, y=-2147483640, z=0] [L24] COND FALSE !(x > 0) VAL [x=-1, y=-2147483640, z=0] [L27] EXPR x - 1 [L27] x = x - 1 VAL [x=-2, y=-2147483640, z=0] [L29] COND FALSE !(x > 0) VAL [x=-2, y=-2147483640, z=0] [L32] EXPR x - 1 [L32] x = x - 1 VAL [x=-3, y=-2147483640, z=0] [L34] COND FALSE !(x > 0) VAL [x=-3, y=-2147483640, z=0] [L37] EXPR x - 1 [L37] x = x - 1 VAL [x=-4, y=-2147483640, z=0] [L39] COND FALSE !(x > 0) VAL [x=-4, y=-2147483640, z=0] [L42] EXPR x - 1 [L42] x = x - 1 VAL [x=-5, y=-2147483640, z=0] [L44] COND FALSE !(x > 0) VAL [x=-5, y=-2147483640, z=0] [L47] EXPR x - 1 [L47] x = x - 1 VAL [x=-6, y=-2147483640, z=0] [L49] COND FALSE !(x > 0) VAL [x=-6, y=-2147483640, z=0] [L52] EXPR x - 1 [L52] x = x - 1 VAL [x=-7, y=-2147483640, z=0] [L54] COND FALSE !(x > 0) VAL [x=-7, y=-2147483640, z=0] [L57] EXPR x - 1 [L57] x = x - 1 VAL [x=-8, y=-2147483640, z=0] [L59] COND FALSE !(x > 0) VAL [x=-8, y=-2147483640, z=0] [L62] EXPR x - 1 [L62] x = x - 1 VAL [x=-9, y=-2147483640, z=0] [L64] COND TRUE y<100 && z<100 VAL [x=-9, y=-2147483640, z=0] [L65] y+x VAL [x=-9, y=-2147483640, z=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 36 error locations. UNSAFE Result, 7.4s OverallTime, 20 OverallIterations, 1 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 1866 SDslu, 614 SDs, 0 SdLazy, 5236 SolverSat, 720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=8, 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, 19 MinimizatonAttempts, 956 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 28424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...