java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:43:28,010 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:43:28,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:43:28,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:43:28,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:43:28,033 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:43:28,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:43:28,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:43:28,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:43:28,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:43:28,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:43:28,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:43:28,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:43:28,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:43:28,057 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:43:28,058 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:43:28,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:43:28,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:43:28,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:43:28,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:43:28,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:43:28,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:43:28,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:43:28,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:43:28,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:43:28,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:43:28,072 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:43:28,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:43:28,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:43:28,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:43:28,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:43:28,075 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:43:28,075 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:43:28,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:43:28,077 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:43:28,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:43:28,078 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:43:28,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:43:28,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:43:28,100 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:43:28,101 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:43:28,101 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:43:28,101 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:43:28,101 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:43:28,101 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:43:28,102 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:43:28,102 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:43:28,103 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:43:28,103 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:43:28,103 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:43:28,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:43:28,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:43:28,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:43:28,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:43:28,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:43:28,106 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:43:28,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:43:28,107 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:43:28,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:43:28,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:43:28,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:43:28,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:43:28,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:43:28,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:43:28,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:43:28,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:43:28,109 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:43:28,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:43:28,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:43:28,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:43:28,192 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:43:28,192 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:43:28,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 18:43:28,260 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf940476e/d9a66d0970a84875ba493441c1562aef/FLAG1b95dc42c [2018-11-07 18:43:28,881 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:43:28,883 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 18:43:28,901 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf940476e/d9a66d0970a84875ba493441c1562aef/FLAG1b95dc42c [2018-11-07 18:43:28,920 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf940476e/d9a66d0970a84875ba493441c1562aef [2018-11-07 18:43:28,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:43:28,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:43:28,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:43:28,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:43:28,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:43:28,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:43:28" (1/1) ... [2018-11-07 18:43:28,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f02a909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:28, skipping insertion in model container [2018-11-07 18:43:28,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:43:28" (1/1) ... [2018-11-07 18:43:28,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:43:29,023 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:43:29,582 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:43:29,587 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:43:29,732 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:43:29,753 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:43:29,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29 WrapperNode [2018-11-07 18:43:29,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:43:29,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:43:29,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:43:29,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:43:29,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:29,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:29,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:43:29,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:43:29,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:43:29,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:43:29,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:29,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:29,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:29,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:30,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:30,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:30,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... [2018-11-07 18:43:30,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:43:30,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:43:30,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:43:30,050 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:43:30,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-07 18:43:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:43:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:43:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:43:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:43:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:43:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:43:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:43:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:43:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:43:33,271 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:43:33,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:43:33 BoogieIcfgContainer [2018-11-07 18:43:33,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:43:33,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:43:33,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:43:33,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:43:33,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:43:28" (1/3) ... [2018-11-07 18:43:33,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:43:33, skipping insertion in model container [2018-11-07 18:43:33,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:43:29" (2/3) ... [2018-11-07 18:43:33,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bf892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:43:33, skipping insertion in model container [2018-11-07 18:43:33,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:43:33" (3/3) ... [2018-11-07 18:43:33,285 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label10_true-unreach-call_false-termination.c [2018-11-07 18:43:33,295 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:43:33,307 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:43:33,327 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:43:33,373 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:43:33,373 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:43:33,374 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:43:33,374 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:43:33,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:43:33,374 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:43:33,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:43:33,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:43:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:43:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 18:43:33,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:33,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:33,423 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:33,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:33,428 INFO L82 PathProgramCache]: Analyzing trace with hash -773755248, now seen corresponding path program 1 times [2018-11-07 18:43:33,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:33,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:33,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:33,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:33,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:34,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:34,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:43:34,352 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:34,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:43:34,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:43:34,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:43:34,379 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-07 18:43:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:37,097 INFO L93 Difference]: Finished difference Result 774 states and 1357 transitions. [2018-11-07 18:43:37,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:43:37,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-11-07 18:43:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:37,123 INFO L225 Difference]: With dead ends: 774 [2018-11-07 18:43:37,124 INFO L226 Difference]: Without dead ends: 531 [2018-11-07 18:43:37,132 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:43:37,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-07 18:43:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-11-07 18:43:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-07 18:43:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 922 transitions. [2018-11-07 18:43:37,230 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 922 transitions. Word has length 142 [2018-11-07 18:43:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:37,231 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 922 transitions. [2018-11-07 18:43:37,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:43:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 922 transitions. [2018-11-07 18:43:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 18:43:37,244 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:37,244 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:37,245 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:37,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash -309014567, now seen corresponding path program 1 times [2018-11-07 18:43:37,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:37,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:37,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:37,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:37,248 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:37,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:37,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:43:37,505 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:37,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:43:37,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:43:37,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:43:37,509 INFO L87 Difference]: Start difference. First operand 529 states and 922 transitions. Second operand 6 states. [2018-11-07 18:43:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:39,769 INFO L93 Difference]: Finished difference Result 1284 states and 2274 transitions. [2018-11-07 18:43:39,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:43:39,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 18:43:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:39,784 INFO L225 Difference]: With dead ends: 1284 [2018-11-07 18:43:39,784 INFO L226 Difference]: Without dead ends: 761 [2018-11-07 18:43:39,789 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:43:39,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-07 18:43:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 742. [2018-11-07 18:43:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-07 18:43:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1199 transitions. [2018-11-07 18:43:39,861 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1199 transitions. Word has length 164 [2018-11-07 18:43:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:39,861 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1199 transitions. [2018-11-07 18:43:39,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:43:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1199 transitions. [2018-11-07 18:43:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-07 18:43:39,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:39,871 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:39,873 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:39,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:39,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1423050670, now seen corresponding path program 1 times [2018-11-07 18:43:39,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:39,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:39,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:39,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:39,876 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:40,261 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-07 18:43:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:40,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:40,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:43:40,460 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:40,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:43:40,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:43:40,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:43:40,461 INFO L87 Difference]: Start difference. First operand 742 states and 1199 transitions. Second operand 5 states. [2018-11-07 18:43:42,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:42,503 INFO L93 Difference]: Finished difference Result 1625 states and 2665 transitions. [2018-11-07 18:43:42,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:43:42,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-07 18:43:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:42,512 INFO L225 Difference]: With dead ends: 1625 [2018-11-07 18:43:42,512 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 18:43:42,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:43:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 18:43:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-11-07 18:43:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-07 18:43:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1181 transitions. [2018-11-07 18:43:42,548 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1181 transitions. Word has length 169 [2018-11-07 18:43:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:42,548 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 1181 transitions. [2018-11-07 18:43:42,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:43:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1181 transitions. [2018-11-07 18:43:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-07 18:43:42,555 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:42,555 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:42,556 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:42,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash 192175635, now seen corresponding path program 1 times [2018-11-07 18:43:42,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:42,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:42,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:42,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:42,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:42,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:43:42,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:43:42,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:42,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:43:42,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:43:42,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:43:42,824 INFO L87 Difference]: Start difference. First operand 741 states and 1181 transitions. Second operand 6 states. [2018-11-07 18:43:44,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:44,368 INFO L93 Difference]: Finished difference Result 2329 states and 3898 transitions. [2018-11-07 18:43:44,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:43:44,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-07 18:43:44,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:44,380 INFO L225 Difference]: With dead ends: 2329 [2018-11-07 18:43:44,380 INFO L226 Difference]: Without dead ends: 1594 [2018-11-07 18:43:44,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:43:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2018-11-07 18:43:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1552. [2018-11-07 18:43:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-11-07 18:43:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2380 transitions. [2018-11-07 18:43:44,440 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2380 transitions. Word has length 197 [2018-11-07 18:43:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:44,441 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 2380 transitions. [2018-11-07 18:43:44,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:43:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2380 transitions. [2018-11-07 18:43:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-07 18:43:44,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:44,449 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:44,449 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:44,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:44,449 INFO L82 PathProgramCache]: Analyzing trace with hash 36195093, now seen corresponding path program 1 times [2018-11-07 18:43:44,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:44,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:44,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:44,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:44,451 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:44,744 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:43:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 18:43:45,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:45,020 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:45,022 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-07 18:43:45,030 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:45,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:45,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:46,030 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:46,032 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:43:46,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:46,079 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:46,972 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 81.4% of their original sizes. [2018-11-07 18:43:46,973 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:48,169 INFO L415 sIntCurrentIteration]: We unified 196 AI predicates to 196 [2018-11-07 18:43:48,169 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:48,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:48,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2018-11-07 18:43:48,170 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:48,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:43:48,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:43:48,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:43:48,172 INFO L87 Difference]: Start difference. First operand 1552 states and 2380 transitions. Second operand 14 states. [2018-11-07 18:44:04,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:04,822 INFO L93 Difference]: Finished difference Result 3398 states and 5219 transitions. [2018-11-07 18:44:04,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:44:04,823 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 197 [2018-11-07 18:44:04,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:04,833 INFO L225 Difference]: With dead ends: 3398 [2018-11-07 18:44:04,833 INFO L226 Difference]: Without dead ends: 1852 [2018-11-07 18:44:04,839 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:44:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-11-07 18:44:04,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1699. [2018-11-07 18:44:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-11-07 18:44:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2539 transitions. [2018-11-07 18:44:04,887 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2539 transitions. Word has length 197 [2018-11-07 18:44:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:04,887 INFO L480 AbstractCegarLoop]: Abstraction has 1699 states and 2539 transitions. [2018-11-07 18:44:04,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:44:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2539 transitions. [2018-11-07 18:44:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-07 18:44:04,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:04,895 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:04,896 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:04,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:04,896 INFO L82 PathProgramCache]: Analyzing trace with hash 981314004, now seen corresponding path program 1 times [2018-11-07 18:44:04,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:04,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:04,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:04,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:04,898 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:05,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:05,145 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:05,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-07 18:44:05,146 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:05,152 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:05,152 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:05,512 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:05,512 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:44:05,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:05,553 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:06,101 INFO L227 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 81.82% of their original sizes. [2018-11-07 18:44:06,102 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:07,479 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-07 18:44:07,480 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:07,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:07,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:44:07,480 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:07,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:44:07,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:44:07,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:44:07,482 INFO L87 Difference]: Start difference. First operand 1699 states and 2539 transitions. Second operand 18 states. [2018-11-07 18:44:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:23,926 INFO L93 Difference]: Finished difference Result 4139 states and 6090 transitions. [2018-11-07 18:44:23,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:44:23,927 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 207 [2018-11-07 18:44:23,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:23,939 INFO L225 Difference]: With dead ends: 4139 [2018-11-07 18:44:23,939 INFO L226 Difference]: Without dead ends: 2446 [2018-11-07 18:44:23,946 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2018-11-07 18:44:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2018-11-07 18:44:24,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2291. [2018-11-07 18:44:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2291 states. [2018-11-07 18:44:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3209 transitions. [2018-11-07 18:44:24,012 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3209 transitions. Word has length 207 [2018-11-07 18:44:24,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:24,013 INFO L480 AbstractCegarLoop]: Abstraction has 2291 states and 3209 transitions. [2018-11-07 18:44:24,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:44:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3209 transitions. [2018-11-07 18:44:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-07 18:44:24,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:24,023 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:24,023 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:24,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:24,023 INFO L82 PathProgramCache]: Analyzing trace with hash 2105417946, now seen corresponding path program 1 times [2018-11-07 18:44:24,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:24,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:24,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:24,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:24,025 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:24,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:24,187 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:24,187 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-07 18:44:24,188 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:24,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:24,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:24,510 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:24,510 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:44:24,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:24,516 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:24,833 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 81.47% of their original sizes. [2018-11-07 18:44:24,833 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:25,468 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-07 18:44:25,468 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:25,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:25,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:44:25,468 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:25,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:44:25,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:44:25,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:44:25,470 INFO L87 Difference]: Start difference. First operand 2291 states and 3209 transitions. Second operand 18 states. [2018-11-07 18:44:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:34,318 INFO L93 Difference]: Finished difference Result 5187 states and 7660 transitions. [2018-11-07 18:44:34,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:44:34,318 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 211 [2018-11-07 18:44:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:34,332 INFO L225 Difference]: With dead ends: 5187 [2018-11-07 18:44:34,333 INFO L226 Difference]: Without dead ends: 3197 [2018-11-07 18:44:34,341 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 18:44:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2018-11-07 18:44:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3184. [2018-11-07 18:44:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2018-11-07 18:44:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4316 transitions. [2018-11-07 18:44:34,423 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4316 transitions. Word has length 211 [2018-11-07 18:44:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:34,423 INFO L480 AbstractCegarLoop]: Abstraction has 3184 states and 4316 transitions. [2018-11-07 18:44:34,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:44:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4316 transitions. [2018-11-07 18:44:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-07 18:44:34,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:34,435 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:34,436 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:34,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:34,436 INFO L82 PathProgramCache]: Analyzing trace with hash 406363975, now seen corresponding path program 1 times [2018-11-07 18:44:34,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:34,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:34,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:34,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:34,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 69 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:44:34,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:34,625 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:34,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-07 18:44:34,625 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:34,629 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:34,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:35,197 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:35,197 INFO L272 AbstractInterpreter]: Visited 147 different actions 440 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:44:35,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:35,233 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:35,583 INFO L227 lantSequenceWeakener]: Weakened 211 states. On average, predicates are now at 81.16% of their original sizes. [2018-11-07 18:44:35,583 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:35,714 INFO L415 sIntCurrentIteration]: We unified 215 AI predicates to 215 [2018-11-07 18:44:35,714 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:35,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:35,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:44:35,715 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:35,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:44:35,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:44:35,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:44:35,716 INFO L87 Difference]: Start difference. First operand 3184 states and 4316 transitions. Second operand 10 states. [2018-11-07 18:44:41,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:41,809 INFO L93 Difference]: Finished difference Result 8078 states and 11255 transitions. [2018-11-07 18:44:41,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:44:41,810 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2018-11-07 18:44:41,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:41,831 INFO L225 Difference]: With dead ends: 8078 [2018-11-07 18:44:41,831 INFO L226 Difference]: Without dead ends: 5195 [2018-11-07 18:44:41,841 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:44:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2018-11-07 18:44:41,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 4921. [2018-11-07 18:44:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4921 states. [2018-11-07 18:44:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 6365 transitions. [2018-11-07 18:44:41,975 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 6365 transitions. Word has length 216 [2018-11-07 18:44:41,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:41,975 INFO L480 AbstractCegarLoop]: Abstraction has 4921 states and 6365 transitions. [2018-11-07 18:44:41,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:44:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 6365 transitions. [2018-11-07 18:44:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-07 18:44:41,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:41,993 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:41,993 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:41,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:41,994 INFO L82 PathProgramCache]: Analyzing trace with hash -640796914, now seen corresponding path program 1 times [2018-11-07 18:44:41,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:41,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:41,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 85 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 18:44:42,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:42,550 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:42,550 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-07 18:44:42,551 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:42,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:42,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:43,175 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:44:43,175 INFO L272 AbstractInterpreter]: Visited 148 different actions 593 times. Merged at 8 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:44:43,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:43,181 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:44:43,437 INFO L227 lantSequenceWeakener]: Weakened 225 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-07 18:44:43,437 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:44:43,895 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-07 18:44:43,895 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:44:43,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:44:43,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:44:43,895 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:44:43,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:44:43,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:44:43,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:44:43,896 INFO L87 Difference]: Start difference. First operand 4921 states and 6365 transitions. Second operand 10 states. [2018-11-07 18:44:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:48,383 INFO L93 Difference]: Finished difference Result 10813 states and 14403 transitions. [2018-11-07 18:44:48,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:44:48,384 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2018-11-07 18:44:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:48,408 INFO L225 Difference]: With dead ends: 10813 [2018-11-07 18:44:48,409 INFO L226 Difference]: Without dead ends: 6193 [2018-11-07 18:44:48,422 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 166 SyntacticMatches, 55 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:44:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6193 states. [2018-11-07 18:44:48,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6193 to 6136. [2018-11-07 18:44:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6136 states. [2018-11-07 18:44:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6136 states to 6136 states and 7852 transitions. [2018-11-07 18:44:48,583 INFO L78 Accepts]: Start accepts. Automaton has 6136 states and 7852 transitions. Word has length 230 [2018-11-07 18:44:48,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:48,583 INFO L480 AbstractCegarLoop]: Abstraction has 6136 states and 7852 transitions. [2018-11-07 18:44:48,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:44:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6136 states and 7852 transitions. [2018-11-07 18:44:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 18:44:48,605 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:48,605 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:48,605 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:48,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:48,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1882991460, now seen corresponding path program 1 times [2018-11-07 18:44:48,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:48,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:48,607 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:48,861 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:44:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:44:48,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:48,972 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:48,972 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-07 18:44:48,972 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [207], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [807], [809], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:48,975 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:48,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:49,786 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:44:49,787 INFO L272 AbstractInterpreter]: Visited 150 different actions 595 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 18:44:49,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:49,795 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:44:49,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:49,795 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:44:49,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:49,805 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:44:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:49,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:44:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:44:50,489 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:44:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:44:51,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:44:51,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-07 18:44:51,438 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:44:51,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:44:51,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:44:51,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-07 18:44:51,439 INFO L87 Difference]: Start difference. First operand 6136 states and 7852 transitions. Second operand 15 states. [2018-11-07 18:44:55,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:55,917 INFO L93 Difference]: Finished difference Result 14291 states and 18930 transitions. [2018-11-07 18:44:55,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 18:44:55,917 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2018-11-07 18:44:55,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:55,917 INFO L225 Difference]: With dead ends: 14291 [2018-11-07 18:44:55,918 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:44:55,957 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 475 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-07 18:44:55,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:44:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:44:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:44:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:44:55,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-07 18:44:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:55,958 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:44:55,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:44:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:44:55,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:44:55,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:44:56,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,495 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 178 [2018-11-07 18:44:56,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:56,824 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 209 [2018-11-07 18:44:57,247 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-11-07 18:44:57,635 WARN L179 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-11-07 18:44:59,270 WARN L179 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 303 DAG size of output: 82 [2018-11-07 18:45:02,260 WARN L179 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 203 DAG size of output: 86 [2018-11-07 18:45:02,846 WARN L179 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 86 [2018-11-07 18:45:02,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:45:02,850 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 18:45:02,850 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:45:02,850 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,850 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,850 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,850 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:45:02,851 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,852 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:45:02,853 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:45:02,854 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,855 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:45:02,856 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,857 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:45:02,858 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,859 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:45:02,860 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,861 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:45:02,862 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:45:02,863 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:45:02,864 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,865 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,866 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,866 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,866 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= |old(~a28~0)| ~a28~0)) (.cse11 (= 7 ~a17~0)) (.cse15 (= |old(~a25~0)| ~a25~0))) (let ((.cse9 (= 1 |old(~a25~0)|)) (.cse14 (= |old(~a17~0)| |old(~a28~0)|)) (.cse13 (and .cse10 .cse11 .cse15)) (.cse12 (not (= 7 |old(~a17~0)|))) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse3 (< |old(~a28~0)| 7)) (.cse1 (not (= 1 ~a21~0))) (.cse5 (< 1 |old(~a25~0)|)) (.cse6 (< 11 |old(~a28~0)|)) (.cse2 (< |old(~a25~0)| 0)) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse7 (not (= |old(~a17~0)| 8))) (.cse8 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 (and (<= 0 ~a11~0) (<= ~a11~0 1) (= ~a19~0 1)) (< 1 |old(~a11~0)|) .cse2 .cse3 (< |old(~a11~0)| 0) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse1 (not (= 7 |old(~a28~0)|)) (not .cse9) .cse4 (not (= 1 |old(~a11~0)|)) (and .cse10 (= 1 ~a11~0) .cse11 (= 1 ~a25~0) (= 1 ~a19~0)) .cse12) (or .cse1 .cse13 .cse14 .cse9 .cse12) (or .cse1 (and .cse10 (= ~a17~0 |old(~a17~0)|) .cse15) .cse7) (or .cse1 (= 10 |old(~a28~0)|) .cse14 .cse13 .cse12) (or .cse0 (let ((.cse16 (not (= 0 |old(~a11~0)|)))) (and (or .cse1 .cse16 .cse6 .cse3 (not (= 0 |old(~a25~0)|))) (or .cse1 (< |old(~a28~0)| 8) .cse5 .cse16 .cse6))) .cse2 (= ~a11~0 0) .cse4 .cse7 .cse8)))) [2018-11-07 18:45:02,866 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,866 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,866 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:45:02,867 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,868 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:45:02,869 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:45:02,870 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:45:02,871 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:45:02,872 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:45:02,873 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 18:45:02,874 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:45:02,874 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:45:02,874 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:45:02,874 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:45:02,874 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (= |old(~a17~0)| ~a17~0) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (not (= ~a25~0 1)) .cse1) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 .cse1 .cse2) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 18:45:02,874 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:45:02,874 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:45:02,875 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse1 (= 7 ~a17~0)) (.cse2 (not (= ~a28~0 10)))) (or (= |old(~a17~0)| ~a17~0) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (not (= ~a25~0 1)) .cse1) (and (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0) .cse2) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (and .cse0 .cse1 .cse2) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-07 18:45:02,875 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:45:02,875 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:45:02,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:45:02 BoogieIcfgContainer [2018-11-07 18:45:02,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:45:02,888 INFO L168 Benchmark]: Toolchain (without parser) took 93956.93 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:45:02,890 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:45:02,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:02,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.58 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:02,892 INFO L168 Benchmark]: Boogie Preprocessor took 135.21 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:45:02,892 INFO L168 Benchmark]: RCFGBuilder took 3226.00 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:45:02,893 INFO L168 Benchmark]: TraceAbstraction took 89611.03 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:45:02,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 158.58 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.21 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3226.00 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 89611.03 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 577]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((\old(a17) == a17 || !(a21 == 1)) || !(y == 25)) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || ((((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19) && !(a28 == 10))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || ((!(a28 == a17) && 7 == a17) && !(a28 == 10))) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 89.5s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 65.8s AutomataDifference, 0.0s DeadEndRemovalTime, 6.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1650 SDtfs, 9732 SDslu, 2688 SDs, 0 SdLazy, 13523 SolverSat, 2657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1652 GetRequests, 1427 SyntacticMatches, 62 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6136occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9977547173319221 AbsIntWeakeningRatio, 0.17803030303030304 AbsIntAvgWeakeningVarsNumRemoved, 23.84469696969697 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 715 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 273 NumberOfFragments, 607 HoareAnnotationTreeSize, 173 FomulaSimplifications, 26857 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14594 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2201 NumberOfCodeBlocks, 2201 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2423 ConstructedInterpolants, 0 QuantifiedInterpolants, 1481736 SizeOfPredicates, 1 NumberOfNonLiveVariables, 533 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 780/905 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...