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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:06:55,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:06:55,402 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:06:55,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:06:55,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:06:55,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:06:55,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:06:55,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:06:55,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:06:55,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:06:55,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:06:55,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:06:55,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:06:55,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:06:55,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:06:55,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:06:55,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:06:55,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:06:55,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:06:55,434 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:06:55,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:06:55,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:06:55,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:06:55,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:06:55,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:06:55,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:06:55,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:06:55,442 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:06:55,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:06:55,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:06:55,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:06:55,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:06:55,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:06:55,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:06:55,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:06:55,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:06:55,448 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:06:55,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:06:55,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:06:55,465 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:06:55,465 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:06:55,465 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:06:55,465 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:06:55,466 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:06:55,466 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:06:55,466 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:06:55,466 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:06:55,466 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:06:55,467 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:06:55,467 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:06:55,467 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:06:55,468 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:06:55,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:06:55,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:06:55,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:06:55,469 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:06:55,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:06:55,469 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:06:55,469 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:06:55,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:06:55,470 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:06:55,470 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:06:55,470 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:06:55,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:06:55,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:06:55,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:06:55,471 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:06:55,471 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:06:55,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:06:55,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:06:55,471 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:06:55,472 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:06:55,472 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:06:55,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:06:55,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:06:55,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:06:55,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:06:55,543 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:06:55,544 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 07:06:55,601 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498201797/6495d8e9c3ea4be5b6d60ff41e11b26d/FLAGb4411d54a [2018-11-07 07:06:56,133 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:06:56,134 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 07:06:56,147 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498201797/6495d8e9c3ea4be5b6d60ff41e11b26d/FLAGb4411d54a [2018-11-07 07:06:56,162 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498201797/6495d8e9c3ea4be5b6d60ff41e11b26d [2018-11-07 07:06:56,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:06:56,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:06:56,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:56,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:06:56,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:06:56,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:56,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64240652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56, skipping insertion in model container [2018-11-07 07:06:56,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:56,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:06:56,283 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:06:56,778 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:56,784 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:06:56,883 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:56,903 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:06:56,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56 WrapperNode [2018-11-07 07:06:56,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:56,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:56,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:06:56,907 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:06:56,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:56,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:57,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:06:57,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:06:57,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:06:57,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (1/1) ... [2018-11-07 07:06:57,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:06:57,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:06:57,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:06:57,158 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:06:57,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (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 07:06:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:06:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:06:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:06:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:06:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:06:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:06:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:06:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:06:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:07:00,532 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:07:00,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:00 BoogieIcfgContainer [2018-11-07 07:07:00,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:07:00,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:07:00,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:07:00,541 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:07:00,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:06:56" (1/3) ... [2018-11-07 07:07:00,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4852c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:00, skipping insertion in model container [2018-11-07 07:07:00,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:56" (2/3) ... [2018-11-07 07:07:00,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4852c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:00, skipping insertion in model container [2018-11-07 07:07:00,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:00" (3/3) ... [2018-11-07 07:07:00,547 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 07:07:00,558 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:07:00,568 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:07:00,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:07:00,639 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:07:00,639 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:07:00,640 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:07:00,640 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:07:00,640 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:07:00,641 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:07:00,641 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:07:00,641 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:07:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:07:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-07 07:07:00,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:00,703 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] [2018-11-07 07:07:00,706 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:00,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-11-07 07:07:00,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:00,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:00,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:00,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:00,780 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:01,347 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 07:07:01,638 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 07:07:01,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:01,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 07:07:01,642 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:01,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 07:07:01,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 07:07:01,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 07:07:01,671 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-07 07:07:03,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:03,901 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-07 07:07:03,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:07:03,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-07 07:07:03,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:03,927 INFO L225 Difference]: With dead ends: 788 [2018-11-07 07:07:03,927 INFO L226 Difference]: Without dead ends: 545 [2018-11-07 07:07:03,936 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 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 07:07:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-07 07:07:04,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-07 07:07:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 07:07:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-07 07:07:04,033 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-11-07 07:07:04,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:04,034 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-07 07:07:04,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 07:07:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-07 07:07:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-07 07:07:04,046 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:04,046 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:04,046 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:04,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:04,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-11-07 07:07:04,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:04,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:04,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:04,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:04,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:04,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:04,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:07:04,284 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:04,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:07:04,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:07:04,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:04,289 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-11-07 07:07:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:05,670 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-11-07 07:07:05,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:07:05,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-07 07:07:05,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:05,678 INFO L225 Difference]: With dead ends: 1060 [2018-11-07 07:07:05,679 INFO L226 Difference]: Without dead ends: 683 [2018-11-07 07:07:05,683 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-07 07:07:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-11-07 07:07:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-11-07 07:07:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-11-07 07:07:05,727 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-11-07 07:07:05,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:05,727 INFO L480 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-11-07 07:07:05,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:07:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-11-07 07:07:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 07:07:05,734 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:05,735 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:05,735 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:05,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:05,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-11-07 07:07:05,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:05,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:05,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:05,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:05,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 07:07:05,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:05,941 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:05,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-07 07:07:05,945 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:05,992 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:05,993 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:06,617 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:06,620 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 07:07:06,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:06,665 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:07,164 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-07 07:07:07,164 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:07,426 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-07 07:07:07,427 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:07,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:07,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 07:07:07,431 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:07,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 07:07:07,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 07:07:07,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:07,432 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 7 states. [2018-11-07 07:07:17,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:17,148 INFO L93 Difference]: Finished difference Result 1500 states and 2408 transitions. [2018-11-07 07:07:17,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:17,148 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-11-07 07:07:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:17,155 INFO L225 Difference]: With dead ends: 1500 [2018-11-07 07:07:17,155 INFO L226 Difference]: Without dead ends: 828 [2018-11-07 07:07:17,158 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 07:07:17,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-07 07:07:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 825. [2018-11-07 07:07:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-07 07:07:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-11-07 07:07:17,194 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-11-07 07:07:17,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:17,194 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-11-07 07:07:17,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 07:07:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-11-07 07:07:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 07:07:17,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:17,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:17,199 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:17,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:17,199 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-11-07 07:07:17,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:17,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:17,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:17,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:17,201 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:07:17,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:17,648 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:17,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-07 07:07:17,649 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], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:17,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:17,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:17,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:17,921 INFO L272 AbstractInterpreter]: Visited 105 different actions 314 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 07:07:17,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:17,953 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:18,171 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 84.29% of their original sizes. [2018-11-07 07:07:18,172 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:18,542 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-07 07:07:18,543 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:18,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:18,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-07 07:07:18,543 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:18,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:07:18,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:07:18,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:18,545 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 9 states. [2018-11-07 07:07:25,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:25,653 INFO L93 Difference]: Finished difference Result 2460 states and 3842 transitions. [2018-11-07 07:07:25,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:07:25,653 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2018-11-07 07:07:25,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:25,663 INFO L225 Difference]: With dead ends: 2460 [2018-11-07 07:07:25,664 INFO L226 Difference]: Without dead ends: 1641 [2018-11-07 07:07:25,668 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:07:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2018-11-07 07:07:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1610. [2018-11-07 07:07:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2018-11-07 07:07:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2201 transitions. [2018-11-07 07:07:25,719 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2201 transitions. Word has length 149 [2018-11-07 07:07:25,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:25,720 INFO L480 AbstractCegarLoop]: Abstraction has 1610 states and 2201 transitions. [2018-11-07 07:07:25,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:07:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2201 transitions. [2018-11-07 07:07:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-07 07:07:25,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:25,727 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2018-11-07 07:07:25,727 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:25,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:25,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1110345706, now seen corresponding path program 1 times [2018-11-07 07:07:25,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:25,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:25,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:07:25,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:25,957 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:25,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-07 07:07:25,957 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [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], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:25,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:25,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:26,118 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:26,119 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 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 07:07:26,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:26,163 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:26,438 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-07 07:07:26,438 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:26,763 INFO L415 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-11-07 07:07:26,763 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:26,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:26,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:07:26,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:26,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:07:26,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:07:26,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:26,766 INFO L87 Difference]: Start difference. First operand 1610 states and 2201 transitions. Second operand 10 states. [2018-11-07 07:07:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:31,615 INFO L93 Difference]: Finished difference Result 3513 states and 4795 transitions. [2018-11-07 07:07:31,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 07:07:31,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-11-07 07:07:31,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:31,625 INFO L225 Difference]: With dead ends: 3513 [2018-11-07 07:07:31,625 INFO L226 Difference]: Without dead ends: 1909 [2018-11-07 07:07:31,631 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:07:31,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2018-11-07 07:07:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1905. [2018-11-07 07:07:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2018-11-07 07:07:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2544 transitions. [2018-11-07 07:07:31,681 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2544 transitions. Word has length 204 [2018-11-07 07:07:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:31,682 INFO L480 AbstractCegarLoop]: Abstraction has 1905 states and 2544 transitions. [2018-11-07 07:07:31,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:07:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2544 transitions. [2018-11-07 07:07:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-07 07:07:31,693 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:31,693 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, 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] [2018-11-07 07:07:31,694 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:31,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:31,694 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-11-07 07:07:31,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:31,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:31,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:31,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:31,695 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:07:31,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:31,878 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:31,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-07 07:07:31,878 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], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:31,882 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:31,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:32,076 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:32,076 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:07:32,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:32,083 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:32,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:32,083 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 07:07:32,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:32,093 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:32,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:07:32,439 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:32,696 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:07:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:07:32,949 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:07:32,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 07:07:32,949 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:07:32,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:07:32,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:07:32,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:32,951 INFO L87 Difference]: Start difference. First operand 1905 states and 2544 transitions. Second operand 9 states. [2018-11-07 07:07:34,269 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 07:07:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:41,148 INFO L93 Difference]: Finished difference Result 6886 states and 9863 transitions. [2018-11-07 07:07:41,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 07:07:41,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-11-07 07:07:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:41,164 INFO L225 Difference]: With dead ends: 6886 [2018-11-07 07:07:41,164 INFO L226 Difference]: Without dead ends: 2818 [2018-11-07 07:07:41,182 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-11-07 07:07:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2018-11-07 07:07:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2672. [2018-11-07 07:07:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2018-11-07 07:07:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3126 transitions. [2018-11-07 07:07:41,268 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3126 transitions. Word has length 208 [2018-11-07 07:07:41,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:41,273 INFO L480 AbstractCegarLoop]: Abstraction has 2672 states and 3126 transitions. [2018-11-07 07:07:41,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:07:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3126 transitions. [2018-11-07 07:07:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-07 07:07:41,282 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:41,282 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, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:41,282 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:41,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:41,283 INFO L82 PathProgramCache]: Analyzing trace with hash 591052778, now seen corresponding path program 1 times [2018-11-07 07:07:41,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:41,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:41,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:41,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:41,284 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:07:41,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:41,891 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:41,891 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-07 07:07:41,891 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], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:41,894 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:41,894 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:42,333 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:42,333 INFO L272 AbstractInterpreter]: Visited 108 different actions 421 times. Merged at 8 different actions 29 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:07:42,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:42,368 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:42,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:42,368 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:07:42,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:42,383 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:42,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-07 07:07:43,099 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 07:07:43,361 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:07:43,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-07 07:07:43,361 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:07:43,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 07:07:43,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 07:07:43,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-07 07:07:43,363 INFO L87 Difference]: Start difference. First operand 2672 states and 3126 transitions. Second operand 13 states. [2018-11-07 07:07:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:46,180 INFO L93 Difference]: Finished difference Result 5294 states and 6329 transitions. [2018-11-07 07:07:46,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 07:07:46,181 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2018-11-07 07:07:46,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:46,182 INFO L225 Difference]: With dead ends: 5294 [2018-11-07 07:07:46,182 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:07:46,194 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2018-11-07 07:07:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:07:46,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:07:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:07:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:07:46,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-11-07 07:07:46,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:46,196 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:07:46,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 07:07:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:07:46,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:07:46,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:07:46,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:46,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:46,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:46,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:46,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:46,759 WARN L179 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2018-11-07 07:07:47,181 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2018-11-07 07:07:48,531 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2018-11-07 07:07:48,825 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2018-11-07 07:07:49,153 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-11-07 07:07:49,157 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:49,158 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-07 07:07:49,158 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:49,158 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,158 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:07:49,159 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:07:49,160 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,161 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:07:49,162 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:07:49,163 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,164 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:07:49,165 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,166 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:07:49,167 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,168 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:07:49,169 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:07:49,170 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:07:49,171 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:07:49,172 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,173 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:07:49,174 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,175 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:07:49,176 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:07:49,177 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,178 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a11~0)|))) (let ((.cse15 (< 7 |old(~a17~0)|)) (.cse4 (= ~a19~0 1)) (.cse16 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse17)) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= 1 ~a11~0)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse12 (= 8 |old(~a28~0)|)) (.cse13 (< 8 |old(~a17~0)|)) (.cse10 (= 1 ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= ~a28~0 0)) .cse3 (= ~a17~0 8) .cse4) .cse5 .cse6 .cse7) (or .cse8 (and .cse3 .cse9 .cse10 .cse11) .cse12 .cse13 .cse7) (or .cse8 (and .cse14 .cse3 .cse10) .cse7 .cse15) (or .cse0 .cse1 .cse2 .cse12 .cse5 .cse6 .cse4) (or .cse16 .cse8 .cse10 .cse7) (or .cse12 (and .cse3 .cse9 .cse11) .cse7 .cse15) (or .cse0 .cse8 .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse16 .cse7 (and .cse14 .cse3 (not (= 1 ~a19~0)))) (or .cse17 .cse13 (and (= ~a11~0 |old(~a11~0)|) .cse9 .cse11)) (or .cse0 .cse1 .cse2 (= ~a25~0 0) .cse12 (not (= 0 |old(~a11~0)|)) .cse5 .cse6 (not (= 0 |old(~a25~0)|))) (or .cse10 .cse13 (or .cse17 .cse8)) (or .cse10 .cse0 .cse8 .cse5 .cse6)))) [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:07:49,179 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:07:49,180 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:07:49,181 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:07:49,182 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,183 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:07:49,184 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:07:49,185 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:07:49,186 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:07:49,186 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:07:49,186 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:49,186 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 07:07:49,186 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:07:49,186 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:49,186 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 07:07:49,187 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:07:49,187 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:07:49,187 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:07:49,187 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:07:49,187 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:07:49,187 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:07:49,187 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:07:49,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:07:49 BoogieIcfgContainer [2018-11-07 07:07:49,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:07:49,201 INFO L168 Benchmark]: Toolchain (without parser) took 53021.44 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:49,202 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 07:07:49,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.66 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 07:07:49,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -863.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:49,205 INFO L168 Benchmark]: Boogie Preprocessor took 95.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:49,205 INFO L168 Benchmark]: RCFGBuilder took 3375.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:49,206 INFO L168 Benchmark]: TraceAbstraction took 48666.20 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 804.8 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -644.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:49,211 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 723.66 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 149.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -863.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3375.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48666.20 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 804.8 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -644.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 48.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 36.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1427 SDtfs, 7296 SDslu, 1554 SDs, 0 SdLazy, 8965 SolverSat, 2297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1465 GetRequests, 1358 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2672occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9966457198541232 AbsIntWeakeningRatio, 0.2392638036809816 AbsIntAvgWeakeningVarsNumRemoved, 26.186094069529652 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 351 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 154 NumberOfFragments, 549 HoareAnnotationTreeSize, 88 FomulaSimplifications, 3176 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2191 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1980 ConstructedInterpolants, 0 QuantifiedInterpolants, 844539 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1085/1224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...