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/Problem01_label01_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:02:55,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:02:55,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:02:55,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:02:55,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:02:55,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:02:55,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:02:55,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:02:55,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:02:55,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:02:55,656 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:02:55,656 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:02:55,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:02:55,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:02:55,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:02:55,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:02:55,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:02:55,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:02:55,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:02:55,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:02:55,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:02:55,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:02:55,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:02:55,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:02:55,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:02:55,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:02:55,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:02:55,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:02:55,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:02:55,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:02:55,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:02:55,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:02:55,687 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:02:55,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:02:55,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:02:55,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:02:55,689 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 07:02:55,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:02:55,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:02:55,704 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:02:55,704 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:02:55,705 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:02:55,705 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:02:55,705 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:02:55,705 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:02:55,705 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:02:55,706 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:02:55,706 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:02:55,706 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:02:55,706 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:02:55,706 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:02:55,707 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:02:55,707 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:02:55,707 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:02:55,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:02:55,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:02:55,708 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:02:55,708 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:02:55,708 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:02:55,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:02:55,709 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:02:55,709 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:02:55,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:02:55,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:02:55,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:02:55,710 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:02:55,711 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:02:55,711 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:02:55,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:02:55,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:02:55,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:02:55,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:02:55,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:02:55,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-11-07 07:02:55,852 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6171190ad/19b650bf1f86475b87f6d803d8e71d98/FLAG6ec3a14d6 [2018-11-07 07:02:56,421 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:02:56,424 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-11-07 07:02:56,440 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6171190ad/19b650bf1f86475b87f6d803d8e71d98/FLAG6ec3a14d6 [2018-11-07 07:02:56,465 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6171190ad/19b650bf1f86475b87f6d803d8e71d98 [2018-11-07 07:02:56,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:02:56,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:02:56,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:02:56,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:02:56,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:02:56,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:02:56" (1/1) ... [2018-11-07 07:02:56,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394dbc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:56, skipping insertion in model container [2018-11-07 07:02:56,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:02:56" (1/1) ... [2018-11-07 07:02:56,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:02:56,562 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:02:57,122 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:02:57,127 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:02:57,251 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:02:57,269 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:02:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57 WrapperNode [2018-11-07 07:02:57,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:02:57,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:02:57,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:02:57,271 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:02:57,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:02:57,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:02:57,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:02:57,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:02:57,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (1/1) ... [2018-11-07 07:02:57,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:02:57,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:02:57,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:02:57,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:02:57,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (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 07:02:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:02:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:02:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:02:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:02:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:02:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:02:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:02:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:02:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:03:00,771 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:03:00,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:03:00 BoogieIcfgContainer [2018-11-07 07:03:00,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:03:00,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:03:00,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:03:00,781 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:03:00,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:02:56" (1/3) ... [2018-11-07 07:03:00,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738d5985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:03:00, skipping insertion in model container [2018-11-07 07:03:00,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:57" (2/3) ... [2018-11-07 07:03:00,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738d5985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:03:00, skipping insertion in model container [2018-11-07 07:03:00,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:03:00" (3/3) ... [2018-11-07 07:03:00,785 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label01_true-unreach-call_false-termination.c [2018-11-07 07:03:00,796 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:03:00,805 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:03:00,824 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:03:00,865 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:03:00,865 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:03:00,866 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:03:00,866 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:03:00,866 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:03:00,867 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:03:00,867 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:03:00,867 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:03:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:03:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-07 07:03:00,915 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:03:00,917 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] [2018-11-07 07:03:00,920 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:03:00,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:00,927 INFO L82 PathProgramCache]: Analyzing trace with hash 850595888, now seen corresponding path program 1 times [2018-11-07 07:03:00,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:03:00,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:00,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:00,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:00,989 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:03:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:01,560 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:03:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:01,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:03:01,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:03:01,802 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:03:01,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:03:01,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:03:01,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:03:01,827 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:03:03,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:03:03,440 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:03:03,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:03:03,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-07 07:03:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:03:03,462 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:03:03,463 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:03:03,469 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:03:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:03:03,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:03:03,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:03:03,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-07 07:03:03,544 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 98 [2018-11-07 07:03:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:03:03,545 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-07 07:03:03,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:03:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-07 07:03:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-07 07:03:03,552 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:03:03,552 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:03:03,552 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:03:03,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:03,553 INFO L82 PathProgramCache]: Analyzing trace with hash 900426319, now seen corresponding path program 1 times [2018-11-07 07:03:03,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:03:03,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:03,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:03,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:03,555 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:03:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:03,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:03:03,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:03:03,755 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:03:03,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:03:03,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:03:03,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:03:03,758 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-07 07:03:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:03:05,693 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-07 07:03:05,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:03:05,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-07 07:03:05,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:03:05,707 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 07:03:05,707 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:03:05,715 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:03:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:03:05,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 07:03:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 07:03:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-07 07:03:05,799 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 109 [2018-11-07 07:03:05,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:03:05,800 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-07 07:03:05,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:03:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-07 07:03:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-07 07:03:05,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:03:05,807 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:03:05,807 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:03:05,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:05,808 INFO L82 PathProgramCache]: Analyzing trace with hash -774778626, now seen corresponding path program 1 times [2018-11-07 07:03:05,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:03:05,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:05,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:05,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:05,810 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:03:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:06,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:03:06,132 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:03:06,133 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-11-07 07:03:06,136 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:03:06,187 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:03:06,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:03:07,155 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:03:07,156 INFO L272 AbstractInterpreter]: Visited 103 different actions 198 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:03:07,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:07,205 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:03:07,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:03:07,205 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 07:03:07,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:07,226 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:03:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:07,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:03:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 07:03:07,665 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:03:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 07:03:07,930 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:03:07,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 07:03:07,931 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:03:07,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:03:07,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:03:07,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:03:07,932 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 3 states. [2018-11-07 07:03:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:03:09,864 INFO L93 Difference]: Finished difference Result 2107 states and 3413 transitions. [2018-11-07 07:03:09,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:03:09,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-07 07:03:09,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:03:09,883 INFO L225 Difference]: With dead ends: 2107 [2018-11-07 07:03:09,883 INFO L226 Difference]: Without dead ends: 1389 [2018-11-07 07:03:09,887 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:03:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2018-11-07 07:03:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2018-11-07 07:03:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1389 states. [2018-11-07 07:03:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2087 transitions. [2018-11-07 07:03:09,946 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2087 transitions. Word has length 134 [2018-11-07 07:03:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:03:09,946 INFO L480 AbstractCegarLoop]: Abstraction has 1389 states and 2087 transitions. [2018-11-07 07:03:09,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:03:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2087 transitions. [2018-11-07 07:03:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-07 07:03:09,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:03:09,954 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-07 07:03:09,954 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:03:09,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:09,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2005292608, now seen corresponding path program 1 times [2018-11-07 07:03:09,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:03:09,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:09,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:09,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:09,957 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:03:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:10,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:03:10,189 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:03:10,189 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-11-07 07:03:10,189 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:03:10,194 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:03:10,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:03:10,494 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:03:10,494 INFO L272 AbstractInterpreter]: Visited 103 different actions 198 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:03:10,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:10,532 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:03:10,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:03:10,532 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 07:03:10,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:10,549 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:03:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:10,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:03:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:10,817 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:03:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:03:11,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:03:11,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 07:03:11,036 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:03:11,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:03:11,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:03:11,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:03:11,038 INFO L87 Difference]: Start difference. First operand 1389 states and 2087 transitions. Second operand 9 states. [2018-11-07 07:03:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:03:15,962 INFO L93 Difference]: Finished difference Result 4436 states and 7522 transitions. [2018-11-07 07:03:15,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-07 07:03:15,963 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2018-11-07 07:03:15,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:03:15,999 INFO L225 Difference]: With dead ends: 4436 [2018-11-07 07:03:15,999 INFO L226 Difference]: Without dead ends: 3053 [2018-11-07 07:03:16,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=266, Invalid=856, Unknown=0, NotChecked=0, Total=1122 [2018-11-07 07:03:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2018-11-07 07:03:16,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2840. [2018-11-07 07:03:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-11-07 07:03:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 4099 transitions. [2018-11-07 07:03:16,149 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 4099 transitions. Word has length 183 [2018-11-07 07:03:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:03:16,150 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 4099 transitions. [2018-11-07 07:03:16,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:03:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 4099 transitions. [2018-11-07 07:03:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-07 07:03:16,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:03:16,162 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-07 07:03:16,162 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:03:16,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:03:16,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1167452104, now seen corresponding path program 1 times [2018-11-07 07:03:16,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:03:16,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:16,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:03:16,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:03:16,164 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:03:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:03:16,434 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-07 07:03:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-07 07:03:16,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:03:16,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:03:16,468 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:03:16,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:03:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:03:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:03:16,469 INFO L87 Difference]: Start difference. First operand 2840 states and 4099 transitions. Second operand 3 states. [2018-11-07 07:03:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:03:18,239 INFO L93 Difference]: Finished difference Result 7319 states and 10654 transitions. [2018-11-07 07:03:18,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:03:18,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-11-07 07:03:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:03:18,241 INFO L225 Difference]: With dead ends: 7319 [2018-11-07 07:03:18,241 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:03:18,271 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:03:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:03:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:03:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:03:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:03:18,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2018-11-07 07:03:18,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:03:18,273 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:03:18,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:03:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:03:18,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:03:18,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:03:18,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:03:18,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:03:18,433 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 15 [2018-11-07 07:03:18,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:03:18,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:03:18,626 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 07:03:19,141 WARN L179 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-11-07 07:03:20,269 WARN L179 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 89 DAG size of output: 38 [2018-11-07 07:03:20,381 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-11-07 07:03:20,483 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-07 07:03:20,502 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:03:20,503 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-07 07:03:20,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:03:20,503 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:03:20,503 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,504 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,505 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:03:20,505 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:03:20,506 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:03:20,507 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:03:20,507 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,507 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:03:20,508 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:03:20,509 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,511 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:03:20,512 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:03:20,513 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:03:20,514 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:03:20,514 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:03:20,515 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:03:20,516 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:03:20,518 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:03:20,518 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:03:20,518 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,519 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:03:20,520 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:03:20,521 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:03:20,522 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,524 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:03:20,525 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:03:20,526 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:03:20,528 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:03:20,528 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:03:20,528 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= 6 |old(~a16~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse6 (not (= ~a8~0 13))) (.cse2 (< 0 |old(~a17~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse5 (= 1 |old(~a7~0)|)) (.cse0 (= |old(~a16~0)| ~a16~0)) (.cse1 (= ~a21~0 |old(~a21~0)|))) (and (or (and .cse0 (<= ~a17~0 0) .cse1) .cse2) (or .cse3 (and .cse0 .cse1)) (or .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse4 .cse7 .cse6) (or .cse4 .cse7 .cse6 .cse2) (or .cse4 .cse5 (and (not (= ~a7~0 1)) .cse0 .cse1)))) [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,529 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:03:20,530 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,532 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:03:20,533 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,534 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:03:20,535 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:03:20,536 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13))) [2018-11-07 07:03:20,536 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:03:20,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:03:20,537 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 13 |old(~a8~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (not (= ~a8~0 13)))) [2018-11-07 07:03:20,537 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:03:20,537 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-07 07:03:20,537 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:03:20,537 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:03:20,537 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:03:20,538 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-07 07:03:20,538 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:03:20,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:03:20 BoogieIcfgContainer [2018-11-07 07:03:20,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:03:20,566 INFO L168 Benchmark]: Toolchain (without parser) took 24088.03 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -696.8 MB). Peak memory consumption was 374.9 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,567 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:03:20,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.24 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 709.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,570 INFO L168 Benchmark]: Boogie Preprocessor took 100.09 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,570 INFO L168 Benchmark]: RCFGBuilder took 3278.42 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,571 INFO L168 Benchmark]: TraceAbstraction took 19788.59 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 362.3 MB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -37.0 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. [2018-11-07 07:03:20,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.24 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 125.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 709.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.09 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3278.42 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19788.59 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 362.3 MB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -37.0 MB). Peak memory consumption was 325.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 449]: 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: 583]: Loop Invariant Derived loop invariant: (((((6 == \old(a16) || !(1 == \old(a21))) || 1 == \old(a7)) || (!(a7 == 1) && 1 == a21)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 19.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 811 SDtfs, 2629 SDslu, 584 SDs, 0 SdLazy, 4520 SolverSat, 1225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 650 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2840occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 115 NumberOfFragments, 203 HoareAnnotationTreeSize, 63 FomulaSimplifications, 5120 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 824 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 535247 SizeOfPredicates, 2 NumberOfNonLiveVariables, 894 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 498/506 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...