./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_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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 [2018-11-10 04:41:10,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:41:10,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:41:10,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:41:10,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:41:10,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:41:10,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:41:10,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:41:10,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:41:10,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:41:10,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:41:10,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:41:10,441 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:41:10,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:41:10,442 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:41:10,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:41:10,443 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:41:10,445 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:41:10,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:41:10,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:41:10,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:41:10,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:41:10,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:41:10,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:41:10,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:41:10,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:41:10,452 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:41:10,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:41:10,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:41:10,454 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:41:10,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:41:10,454 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:41:10,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:41:10,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:41:10,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:41:10,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:41:10,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 04:41:10,466 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:41:10,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:41:10,467 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:41:10,467 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:41:10,467 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:41:10,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:41:10,468 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:41:10,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:41:10,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:41:10,469 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:41:10,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:41:10,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:41:10,471 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2018-11-10 04:41:10,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:41:10,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:41:10,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:41:10,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:41:10,505 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:41:10,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-10 04:41:10,541 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/data/da605e8b8/c4914ed1c4f6401fa310788c6f470c27/FLAG86c72d741 [2018-11-10 04:41:10,849 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:41:10,849 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-10 04:41:10,855 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/data/da605e8b8/c4914ed1c4f6401fa310788c6f470c27/FLAG86c72d741 [2018-11-10 04:41:10,866 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/data/da605e8b8/c4914ed1c4f6401fa310788c6f470c27 [2018-11-10 04:41:10,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:41:10,869 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:41:10,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:10,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:41:10,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:41:10,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:10" (1/1) ... [2018-11-10 04:41:10,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:10, skipping insertion in model container [2018-11-10 04:41:10,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:41:10" (1/1) ... [2018-11-10 04:41:10,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:41:10,896 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:41:11,000 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:11,003 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:41:11,017 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:41:11,026 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:41:11,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11 WrapperNode [2018-11-10 04:41:11,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:41:11,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:41:11,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:41:11,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:41:11,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... [2018-11-10 04:41:11,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:41:11,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:41:11,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:41:11,048 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:41:11,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:41:11,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:41:11,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:41:11,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:41:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 04:41:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:41:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:41:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:41:11,311 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:41:11,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:11 BoogieIcfgContainer [2018-11-10 04:41:11,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:41:11,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:41:11,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:41:11,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:41:11,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:41:10" (1/3) ... [2018-11-10 04:41:11,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34236668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:41:11, skipping insertion in model container [2018-11-10 04:41:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:41:11" (2/3) ... [2018-11-10 04:41:11,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34236668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:41:11, skipping insertion in model container [2018-11-10 04:41:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:11" (3/3) ... [2018-11-10 04:41:11,317 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-10 04:41:11,323 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:41:11,327 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-11-10 04:41:11,335 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-11-10 04:41:11,354 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:41:11,355 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:41:11,355 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:41:11,355 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:41:11,355 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:41:11,355 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:41:11,355 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:41:11,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:41:11,355 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:41:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2018-11-10 04:41:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:41:11,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:11,378 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:11,380 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:11,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:11,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713781, now seen corresponding path program 1 times [2018-11-10 04:41:11,384 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:11,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:11,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:11,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:11,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:11,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:41:11,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:41:11,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:41:11,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:41:11,485 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 3 states. [2018-11-10 04:41:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:11,711 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-11-10 04:41:11,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:41:11,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 04:41:11,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:11,719 INFO L225 Difference]: With dead ends: 189 [2018-11-10 04:41:11,720 INFO L226 Difference]: Without dead ends: 98 [2018-11-10 04:41:11,722 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 [2018-11-10 04:41:11,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-10 04:41:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 88. [2018-11-10 04:41:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-10 04:41:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2018-11-10 04:41:11,748 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 8 [2018-11-10 04:41:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:11,748 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2018-11-10 04:41:11,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:41:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2018-11-10 04:41:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:41:11,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:11,749 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:11,749 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:11,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:11,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1812713589, now seen corresponding path program 1 times [2018-11-10 04:41:11,750 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:11,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:11,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:11,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:11,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:11,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:41:11,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:41:11,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:41:11,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:41:11,765 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 3 states. [2018-11-10 04:41:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:11,857 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2018-11-10 04:41:11,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:41:11,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 04:41:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:11,858 INFO L225 Difference]: With dead ends: 119 [2018-11-10 04:41:11,858 INFO L226 Difference]: Without dead ends: 103 [2018-11-10 04:41:11,858 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 [2018-11-10 04:41:11,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-10 04:41:11,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2018-11-10 04:41:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-10 04:41:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-11-10 04:41:11,863 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 8 [2018-11-10 04:41:11,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:11,863 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-11-10 04:41:11,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:41:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-11-10 04:41:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:41:11,863 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:11,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:11,864 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:11,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:11,865 INFO L82 PathProgramCache]: Analyzing trace with hash 359611998, now seen corresponding path program 1 times [2018-11-10 04:41:11,865 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:11,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:11,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:11,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:11,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:11,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:41:11,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:41:11,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:41:11,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:41:11,878 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 3 states. [2018-11-10 04:41:12,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,004 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-11-10 04:41:12,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:41:12,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 04:41:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,005 INFO L225 Difference]: With dead ends: 96 [2018-11-10 04:41:12,005 INFO L226 Difference]: Without dead ends: 95 [2018-11-10 04:41:12,006 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 [2018-11-10 04:41:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-10 04:41:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-11-10 04:41:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-10 04:41:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-11-10 04:41:12,011 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 9 [2018-11-10 04:41:12,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,011 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-11-10 04:41:12,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:41:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-10 04:41:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:41:12,012 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,012 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,013 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1926764284, now seen corresponding path program 1 times [2018-11-10 04:41:12,013 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:41:12,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:41:12,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:41:12,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:41:12,050 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 4 states. [2018-11-10 04:41:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,189 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2018-11-10 04:41:12,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:41:12,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-10 04:41:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,190 INFO L225 Difference]: With dead ends: 136 [2018-11-10 04:41:12,190 INFO L226 Difference]: Without dead ends: 129 [2018-11-10 04:41:12,190 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 [2018-11-10 04:41:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-10 04:41:12,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 101. [2018-11-10 04:41:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-10 04:41:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-11-10 04:41:12,196 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 11 [2018-11-10 04:41:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,197 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-11-10 04:41:12,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:41:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-10 04:41:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:41:12,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,197 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,198 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1552658819, now seen corresponding path program 1 times [2018-11-10 04:41:12,199 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:41:12,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:41:12,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:41:12,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:41:12,230 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 4 states. [2018-11-10 04:41:12,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,319 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-11-10 04:41:12,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:41:12,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-10 04:41:12,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,320 INFO L225 Difference]: With dead ends: 111 [2018-11-10 04:41:12,320 INFO L226 Difference]: Without dead ends: 110 [2018-11-10 04:41:12,321 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 [2018-11-10 04:41:12,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-10 04:41:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-11-10 04:41:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 04:41:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-11-10 04:41:12,327 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 12 [2018-11-10 04:41:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,327 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-11-10 04:41:12,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:41:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-11-10 04:41:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:41:12,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,328 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,329 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2003065501, now seen corresponding path program 1 times [2018-11-10 04:41:12,329 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:41:12,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:41:12,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:41:12,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:41:12,357 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 5 states. [2018-11-10 04:41:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,491 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2018-11-10 04:41:12,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:41:12,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-10 04:41:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,493 INFO L225 Difference]: With dead ends: 158 [2018-11-10 04:41:12,493 INFO L226 Difference]: Without dead ends: 152 [2018-11-10 04:41:12,493 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 [2018-11-10 04:41:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-10 04:41:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 110. [2018-11-10 04:41:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-10 04:41:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-11-10 04:41:12,498 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 14 [2018-11-10 04:41:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,498 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-11-10 04:41:12,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:41:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-11-10 04:41:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 04:41:12,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,499 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,500 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1538824564, now seen corresponding path program 1 times [2018-11-10 04:41:12,500 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:41:12,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:41:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:41:12,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:41:12,526 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 5 states. [2018-11-10 04:41:12,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,621 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-10 04:41:12,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:41:12,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-10 04:41:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,622 INFO L225 Difference]: With dead ends: 120 [2018-11-10 04:41:12,622 INFO L226 Difference]: Without dead ends: 119 [2018-11-10 04:41:12,622 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 [2018-11-10 04:41:12,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-10 04:41:12,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-11-10 04:41:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-10 04:41:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-11-10 04:41:12,627 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 15 [2018-11-10 04:41:12,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,628 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-11-10 04:41:12,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:41:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-11-10 04:41:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:41:12,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,629 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,630 INFO L82 PathProgramCache]: Analyzing trace with hash 951345130, now seen corresponding path program 1 times [2018-11-10 04:41:12,630 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 04:41:12,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:41:12,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:41:12,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:41:12,661 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 6 states. [2018-11-10 04:41:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,790 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-11-10 04:41:12,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:41:12,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-10 04:41:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,791 INFO L225 Difference]: With dead ends: 177 [2018-11-10 04:41:12,792 INFO L226 Difference]: Without dead ends: 172 [2018-11-10 04:41:12,792 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 [2018-11-10 04:41:12,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-11-10 04:41:12,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 113. [2018-11-10 04:41:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-10 04:41:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-11-10 04:41:12,798 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 17 [2018-11-10 04:41:12,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,798 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-11-10 04:41:12,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:41:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-11-10 04:41:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 04:41:12,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,799 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:41:12,800 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1358421809, now seen corresponding path program 1 times [2018-11-10 04:41:12,800 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 04:41:12,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:41:12,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:41:12,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:41:12,836 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 6 states. [2018-11-10 04:41:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:12,898 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2018-11-10 04:41:12,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:41:12,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-10 04:41:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:12,899 INFO L225 Difference]: With dead ends: 123 [2018-11-10 04:41:12,899 INFO L226 Difference]: Without dead ends: 122 [2018-11-10 04:41:12,899 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 [2018-11-10 04:41:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-10 04:41:12,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112. [2018-11-10 04:41:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-10 04:41:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 121 transitions. [2018-11-10 04:41:12,903 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 121 transitions. Word has length 18 [2018-11-10 04:41:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:12,903 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 121 transitions. [2018-11-10 04:41:12,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:41:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2018-11-10 04:41:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:41:12,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:12,904 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] [2018-11-10 04:41:12,904 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:12,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:12,905 INFO L82 PathProgramCache]: Analyzing trace with hash -966329775, now seen corresponding path program 1 times [2018-11-10 04:41:12,905 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:12,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:12,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:12,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:12,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:12,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:41:12,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:41:12,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:41:12,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:41:12,973 INFO L87 Difference]: Start difference. First operand 112 states and 121 transitions. Second operand 7 states. [2018-11-10 04:41:13,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:13,187 INFO L93 Difference]: Finished difference Result 193 states and 202 transitions. [2018-11-10 04:41:13,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:41:13,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-10 04:41:13,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:13,188 INFO L225 Difference]: With dead ends: 193 [2018-11-10 04:41:13,189 INFO L226 Difference]: Without dead ends: 189 [2018-11-10 04:41:13,189 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 [2018-11-10 04:41:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-11-10 04:41:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 110. [2018-11-10 04:41:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-10 04:41:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-11-10 04:41:13,192 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 20 [2018-11-10 04:41:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:13,193 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-11-10 04:41:13,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:41:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-11-10 04:41:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:41:13,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:13,194 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] [2018-11-10 04:41:13,194 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:13,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:13,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1562353338, now seen corresponding path program 1 times [2018-11-10 04:41:13,195 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:13,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:13,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:13,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:41:13,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:41:13,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:41:13,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:41:13,239 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 7 states. [2018-11-10 04:41:13,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:13,347 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2018-11-10 04:41:13,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:41:13,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-10 04:41:13,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:13,348 INFO L225 Difference]: With dead ends: 120 [2018-11-10 04:41:13,348 INFO L226 Difference]: Without dead ends: 119 [2018-11-10 04:41:13,348 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 [2018-11-10 04:41:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-10 04:41:13,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2018-11-10 04:41:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-10 04:41:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2018-11-10 04:41:13,351 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 21 [2018-11-10 04:41:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:13,351 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2018-11-10 04:41:13,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:41:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2018-11-10 04:41:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:41:13,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:13,352 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] [2018-11-10 04:41:13,353 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:13,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:13,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1235560664, now seen corresponding path program 1 times [2018-11-10 04:41:13,353 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:13,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:13,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:13,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:13,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:13,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:41:13,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:41:13,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:41:13,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:41:13,404 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 8 states. [2018-11-10 04:41:13,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:13,624 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2018-11-10 04:41:13,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:41:13,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-10 04:41:13,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:13,626 INFO L225 Difference]: With dead ends: 206 [2018-11-10 04:41:13,626 INFO L226 Difference]: Without dead ends: 203 [2018-11-10 04:41:13,626 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 [2018-11-10 04:41:13,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-10 04:41:13,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 101. [2018-11-10 04:41:13,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-10 04:41:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 110 transitions. [2018-11-10 04:41:13,629 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 110 transitions. Word has length 23 [2018-11-10 04:41:13,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:13,629 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 110 transitions. [2018-11-10 04:41:13,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:41:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-10 04:41:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:41:13,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:13,630 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] [2018-11-10 04:41:13,631 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:13,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:13,631 INFO L82 PathProgramCache]: Analyzing trace with hash -492176161, now seen corresponding path program 1 times [2018-11-10 04:41:13,631 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:13,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:13,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:13,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:13,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:13,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:13,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:41:13,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:41:13,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:41:13,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:41:13,680 INFO L87 Difference]: Start difference. First operand 101 states and 110 transitions. Second operand 8 states. [2018-11-10 04:41:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:13,742 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-11-10 04:41:13,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:41:13,743 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-11-10 04:41:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:13,743 INFO L225 Difference]: With dead ends: 111 [2018-11-10 04:41:13,744 INFO L226 Difference]: Without dead ends: 110 [2018-11-10 04:41:13,744 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 [2018-11-10 04:41:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-10 04:41:13,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2018-11-10 04:41:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-10 04:41:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 109 transitions. [2018-11-10 04:41:13,746 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 109 transitions. Word has length 24 [2018-11-10 04:41:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:13,746 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 109 transitions. [2018-11-10 04:41:13,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:41:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2018-11-10 04:41:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:41:13,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:13,747 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] [2018-11-10 04:41:13,748 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:13,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash 718131007, now seen corresponding path program 1 times [2018-11-10 04:41:13,748 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:13,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:13,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:13,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:13,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:13,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 04:41:13,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:41:13,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:41:13,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:41:13,800 INFO L87 Difference]: Start difference. First operand 100 states and 109 transitions. Second operand 9 states. [2018-11-10 04:41:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:13,997 INFO L93 Difference]: Finished difference Result 216 states and 225 transitions. [2018-11-10 04:41:13,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:41:13,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-11-10 04:41:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:13,999 INFO L225 Difference]: With dead ends: 216 [2018-11-10 04:41:13,999 INFO L226 Difference]: Without dead ends: 214 [2018-11-10 04:41:13,999 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 [2018-11-10 04:41:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-10 04:41:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 86. [2018-11-10 04:41:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-10 04:41:14,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2018-11-10 04:41:14,002 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 26 [2018-11-10 04:41:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:14,002 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2018-11-10 04:41:14,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:41:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2018-11-10 04:41:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:41:14,003 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:14,003 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] [2018-11-10 04:41:14,004 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:14,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:14,004 INFO L82 PathProgramCache]: Analyzing trace with hash 598468328, now seen corresponding path program 1 times [2018-11-10 04:41:14,004 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:14,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:14,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:14,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:14,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:14,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 04:41:14,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:41:14,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:41:14,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:41:14,054 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand 9 states. [2018-11-10 04:41:14,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:14,144 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2018-11-10 04:41:14,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:41:14,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-11-10 04:41:14,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:14,145 INFO L225 Difference]: With dead ends: 96 [2018-11-10 04:41:14,145 INFO L226 Difference]: Without dead ends: 95 [2018-11-10 04:41:14,146 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 [2018-11-10 04:41:14,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-10 04:41:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2018-11-10 04:41:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-10 04:41:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-11-10 04:41:14,148 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 27 [2018-11-10 04:41:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:14,148 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-11-10 04:41:14,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:41:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-10 04:41:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:41:14,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:14,149 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] [2018-11-10 04:41:14,149 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:14,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 608858566, now seen corresponding path program 1 times [2018-11-10 04:41:14,150 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:14,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:14,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:14,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:14,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:14,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:41:14,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:41:14,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:41:14,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:41:14,209 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 10 states. [2018-11-10 04:41:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:14,468 INFO L93 Difference]: Finished difference Result 223 states and 232 transitions. [2018-11-10 04:41:14,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:41:14,469 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-11-10 04:41:14,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:14,469 INFO L225 Difference]: With dead ends: 223 [2018-11-10 04:41:14,470 INFO L226 Difference]: Without dead ends: 222 [2018-11-10 04:41:14,470 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 [2018-11-10 04:41:14,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-10 04:41:14,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 65. [2018-11-10 04:41:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-10 04:41:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2018-11-10 04:41:14,473 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 29 [2018-11-10 04:41:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:14,473 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2018-11-10 04:41:14,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:41:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-11-10 04:41:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 04:41:14,474 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:14,474 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] [2018-11-10 04:41:14,475 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:14,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:14,475 INFO L82 PathProgramCache]: Analyzing trace with hash 560859789, now seen corresponding path program 1 times [2018-11-10 04:41:14,476 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:14,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:14,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:14,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:14,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:14,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:41:14,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:41:14,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:41:14,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:41:14,542 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand 10 states. [2018-11-10 04:41:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:14,630 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2018-11-10 04:41:14,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 04:41:14,630 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-11-10 04:41:14,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:14,631 INFO L225 Difference]: With dead ends: 75 [2018-11-10 04:41:14,631 INFO L226 Difference]: Without dead ends: 74 [2018-11-10 04:41:14,631 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 [2018-11-10 04:41:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-10 04:41:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2018-11-10 04:41:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-10 04:41:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2018-11-10 04:41:14,633 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 30 [2018-11-10 04:41:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:14,634 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2018-11-10 04:41:14,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:41:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2018-11-10 04:41:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 04:41:14,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:14,634 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] [2018-11-10 04:41:14,635 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:14,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:14,635 INFO L82 PathProgramCache]: Analyzing trace with hash 852779666, now seen corresponding path program 1 times [2018-11-10 04:41:14,635 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:14,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:14,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:14,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:14,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:14,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 04:41:14,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:41:14,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:41:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:41:14,704 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 12 states. [2018-11-10 04:41:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:15,013 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2018-11-10 04:41:15,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 04:41:15,014 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-11-10 04:41:15,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:15,014 INFO L225 Difference]: With dead ends: 213 [2018-11-10 04:41:15,015 INFO L226 Difference]: Without dead ends: 212 [2018-11-10 04:41:15,015 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-11-10 04:41:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-11-10 04:41:15,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 63. [2018-11-10 04:41:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-10 04:41:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-11-10 04:41:15,017 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 33 [2018-11-10 04:41:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:15,018 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-11-10 04:41:15,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:41:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-11-10 04:41:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:41:15,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:15,018 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] [2018-11-10 04:41:15,019 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:15,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:15,019 INFO L82 PathProgramCache]: Analyzing trace with hash 666366035, now seen corresponding path program 1 times [2018-11-10 04:41:15,019 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:15,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:15,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:15,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:15,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:41:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:41:15,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:41:15,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 04:41:15,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 04:41:15,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 04:41:15,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:41:15,102 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 12 states. [2018-11-10 04:41:15,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:41:15,351 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2018-11-10 04:41:15,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:41:15,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-11-10 04:41:15,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:41:15,354 INFO L225 Difference]: With dead ends: 173 [2018-11-10 04:41:15,354 INFO L226 Difference]: Without dead ends: 172 [2018-11-10 04:41:15,355 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 [2018-11-10 04:41:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-11-10 04:41:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 67. [2018-11-10 04:41:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-10 04:41:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2018-11-10 04:41:15,357 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 34 [2018-11-10 04:41:15,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:41:15,357 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2018-11-10 04:41:15,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 04:41:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-11-10 04:41:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:41:15,358 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:41:15,358 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] [2018-11-10 04:41:15,360 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 04:41:15,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:41:15,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1332011605, now seen corresponding path program 1 times [2018-11-10 04:41:15,360 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:41:15,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:41:15,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:15,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:41:15,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:41:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:41:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:41:15,385 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:41:15,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:41:15 BoogieIcfgContainer [2018-11-10 04:41:15,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:41:15,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:41:15,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:41:15,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:41:15,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:41:11" (3/4) ... [2018-11-10 04:41:15,410 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:41:15,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6ba4299-c649-492c-9286-d0edf1650acf/bin-2019/uautomizer/witness.graphml [2018-11-10 04:41:15,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:41:15,450 INFO L168 Benchmark]: Toolchain (without parser) took 4581.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -119.6 MB). Peak memory consumption was 166.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:15,451 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:41:15,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.40 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:15,451 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:15,451 INFO L168 Benchmark]: RCFGBuilder took 264.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:15,452 INFO L168 Benchmark]: TraceAbstraction took 4092.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.6 MB). Peak memory consumption was 185.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:15,452 INFO L168 Benchmark]: Witness Printer took 43.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:41:15,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.40 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4092.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.6 MB). Peak memory consumption was 185.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 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, 4.0s OverallTime, 20 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 1866 SDslu, 614 SDs, 0 SdLazy, 5236 SolverSat, 720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s 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: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 956 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s 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...