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/Problem14_label36_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:00:32,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:00:32,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:00:32,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:00:32,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:00:32,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:00:32,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:00:32,677 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:00:32,679 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:00:32,680 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:00:32,681 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:00:32,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:00:32,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:00:32,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:00:32,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:00:32,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:00:32,686 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:00:32,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:00:32,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:00:32,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:00:32,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:00:32,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:00:32,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:00:32,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:00:32,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:00:32,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:00:32,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:00:32,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:00:32,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:00:32,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:00:32,702 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:00:32,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:00:32,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:00:32,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:00:32,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:00:32,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:00:32,705 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 09:00:32,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:00:32,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:00:32,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:00:32,734 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:00:32,734 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:00:32,735 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:00:32,735 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:00:32,735 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:00:32,736 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:00:32,736 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:00:32,736 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:00:32,736 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:00:32,736 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:00:32,737 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:00:32,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:00:32,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:00:32,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:00:32,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:00:32,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:00:32,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:00:32,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:00:32,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:00:32,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:00:32,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:00:32,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:00:32,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:00:32,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:00:32,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:00:32,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:00:32,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:00:32,742 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:00:32,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:00:32,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:00:32,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:00:32,744 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:00:32,744 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:00:32,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:00:32,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:00:32,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:00:32,836 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:00:32,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:00:32,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-07 09:00:32,918 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc60dcfcb/dd96173873774e0086ad38b9ad23575e/FLAG0e4ebc486 [2018-11-07 09:00:33,509 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:00:33,511 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-07 09:00:33,532 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc60dcfcb/dd96173873774e0086ad38b9ad23575e/FLAG0e4ebc486 [2018-11-07 09:00:33,550 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc60dcfcb/dd96173873774e0086ad38b9ad23575e [2018-11-07 09:00:33,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:00:33,573 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:00:33,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:00:33,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:00:33,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:00:33,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:00:33" (1/1) ... [2018-11-07 09:00:33,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189f4f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:33, skipping insertion in model container [2018-11-07 09:00:33,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:00:33" (1/1) ... [2018-11-07 09:00:33,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:00:33,659 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:00:34,119 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:00:34,127 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:00:34,343 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:00:34,365 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:00:34,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34 WrapperNode [2018-11-07 09:00:34,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:00:34,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:00:34,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:00:34,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:00:34,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:00:34,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:00:34,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:00:34,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:00:34,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (1/1) ... [2018-11-07 09:00:34,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:00:34,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:00:34,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:00:34,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:00:34,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (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 09:00:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:00:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:00:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:00:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:00:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:00:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:00:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:00:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:00:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:00:38,179 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:00:38,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:00:38 BoogieIcfgContainer [2018-11-07 09:00:38,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:00:38,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:00:38,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:00:38,185 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:00:38,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:00:33" (1/3) ... [2018-11-07 09:00:38,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b47cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:00:38, skipping insertion in model container [2018-11-07 09:00:38,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:00:34" (2/3) ... [2018-11-07 09:00:38,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b47cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:00:38, skipping insertion in model container [2018-11-07 09:00:38,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:00:38" (3/3) ... [2018-11-07 09:00:38,188 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label36_true-unreach-call_false-termination.c [2018-11-07 09:00:38,199 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:00:38,208 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:00:38,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:00:38,270 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:00:38,270 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:00:38,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:00:38,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:00:38,271 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:00:38,271 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:00:38,271 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:00:38,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:00:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-07 09:00:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-07 09:00:38,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:00:38,317 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] [2018-11-07 09:00:38,319 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:00:38,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:00:38,326 INFO L82 PathProgramCache]: Analyzing trace with hash -601836047, now seen corresponding path program 1 times [2018-11-07 09:00:38,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:00:38,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:38,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:00:38,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:38,381 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:00:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:00:38,795 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:00:38,904 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 09:00:38,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:00:38,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 09:00:38,907 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:00:38,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 09:00:38,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 09:00:38,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:00:38,936 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-07 09:00:40,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:00:40,728 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-07 09:00:40,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 09:00:40,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-11-07 09:00:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:00:40,751 INFO L225 Difference]: With dead ends: 691 [2018-11-07 09:00:40,751 INFO L226 Difference]: Without dead ends: 434 [2018-11-07 09:00:40,758 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 09:00:40,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-07 09:00:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-07 09:00:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-07 09:00:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-11-07 09:00:40,841 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 55 [2018-11-07 09:00:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:00:40,842 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-11-07 09:00:40,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 09:00:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-11-07 09:00:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-07 09:00:40,853 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:00:40,854 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:40,854 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:00:40,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:00:40,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1606390417, now seen corresponding path program 1 times [2018-11-07 09:00:40,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:00:40,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:40,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:00:40,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:40,857 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:00:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:00:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:00:41,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:00:41,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:00:41,159 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:00:41,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:00:41,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:00:41,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:00:41,163 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-11-07 09:00:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:00:43,167 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-11-07 09:00:43,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:00:43,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-07 09:00:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:00:43,174 INFO L225 Difference]: With dead ends: 1062 [2018-11-07 09:00:43,174 INFO L226 Difference]: Without dead ends: 634 [2018-11-07 09:00:43,176 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 09:00:43,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-07 09:00:43,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-11-07 09:00:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-07 09:00:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-11-07 09:00:43,226 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 130 [2018-11-07 09:00:43,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:00:43,227 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-11-07 09:00:43,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:00:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-11-07 09:00:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 09:00:43,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:00:43,231 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:43,232 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:00:43,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:00:43,232 INFO L82 PathProgramCache]: Analyzing trace with hash 946019240, now seen corresponding path program 1 times [2018-11-07 09:00:43,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:00:43,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:43,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:00:43,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:43,235 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:00:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:00:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:00:43,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:00:43,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 09:00:43,445 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:00:43,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 09:00:43,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 09:00:43,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:00:43,447 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-11-07 09:00:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:00:47,879 INFO L93 Difference]: Finished difference Result 2350 states and 4005 transitions. [2018-11-07 09:00:47,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 09:00:47,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-07 09:00:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:00:47,901 INFO L225 Difference]: With dead ends: 2350 [2018-11-07 09:00:47,902 INFO L226 Difference]: Without dead ends: 1731 [2018-11-07 09:00:47,908 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:00:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-07 09:00:47,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-11-07 09:00:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-07 09:00:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2670 transitions. [2018-11-07 09:00:47,963 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2670 transitions. Word has length 139 [2018-11-07 09:00:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:00:47,963 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2670 transitions. [2018-11-07 09:00:47,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 09:00:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2670 transitions. [2018-11-07 09:00:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-07 09:00:47,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:00:47,974 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-11-07 09:00:47,974 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:00:47,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:00:47,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1544356755, now seen corresponding path program 1 times [2018-11-07 09:00:47,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:00:47,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:47,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:00:47,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:00:47,977 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:00:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:00:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:00:49,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:00:49,204 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:00:49,205 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-07 09:00:49,208 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-07 09:00:49,264 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:00:49,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:00:53,742 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:00:53,744 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 09:00:53,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:00:53,755 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:00:56,716 INFO L227 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-07 09:00:56,717 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:00:56,987 INFO L415 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-11-07 09:00:56,988 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:00:56,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:00:56,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-07 09:00:56,989 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:00:56,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:00:56,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:00:56,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:00:56,991 INFO L87 Difference]: Start difference. First operand 1731 states and 2670 transitions. Second operand 6 states. [2018-11-07 09:01:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:01:08,808 INFO L93 Difference]: Finished difference Result 3641 states and 5626 transitions. [2018-11-07 09:01:08,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:01:08,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2018-11-07 09:01:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:01:08,820 INFO L225 Difference]: With dead ends: 3641 [2018-11-07 09:01:08,821 INFO L226 Difference]: Without dead ends: 1916 [2018-11-07 09:01:08,829 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 09:01:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-11-07 09:01:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1914. [2018-11-07 09:01:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2018-11-07 09:01:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2861 transitions. [2018-11-07 09:01:08,885 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2861 transitions. Word has length 263 [2018-11-07 09:01:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:01:08,886 INFO L480 AbstractCegarLoop]: Abstraction has 1914 states and 2861 transitions. [2018-11-07 09:01:08,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:01:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2861 transitions. [2018-11-07 09:01:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-07 09:01:08,899 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:01:08,899 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 09:01:08,900 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:01:08,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:01:08,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1780119455, now seen corresponding path program 1 times [2018-11-07 09:01:08,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:01:08,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:01:08,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:01:08,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:01:08,902 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:01:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:01:09,499 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 09:01:09,709 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 09:01:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 232 proven. 172 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:01:10,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:01:10,407 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:01:10,407 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-11-07 09:01:10,408 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-07 09:01:10,414 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:01:10,414 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:01:14,063 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:01:14,063 INFO L272 AbstractInterpreter]: Visited 122 different actions 237 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:01:14,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:01:14,101 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:01:16,230 INFO L227 lantSequenceWeakener]: Weakened 345 states. On average, predicates are now at 77.86% of their original sizes. [2018-11-07 09:01:16,230 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:01:16,523 INFO L415 sIntCurrentIteration]: We unified 347 AI predicates to 347 [2018-11-07 09:01:16,523 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:01:16,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:01:16,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-07 09:01:16,524 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:01:16,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:01:16,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:01:16,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:01:16,525 INFO L87 Difference]: Start difference. First operand 1914 states and 2861 transitions. Second operand 10 states. [2018-11-07 09:02:10,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:02:10,389 INFO L93 Difference]: Finished difference Result 4196 states and 6341 transitions. [2018-11-07 09:02:10,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 09:02:10,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 348 [2018-11-07 09:02:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:02:10,406 INFO L225 Difference]: With dead ends: 4196 [2018-11-07 09:02:10,406 INFO L226 Difference]: Without dead ends: 2471 [2018-11-07 09:02:10,416 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 356 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 09:02:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2018-11-07 09:02:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2468. [2018-11-07 09:02:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2468 states. [2018-11-07 09:02:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3449 transitions. [2018-11-07 09:02:10,490 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3449 transitions. Word has length 348 [2018-11-07 09:02:10,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:02:10,493 INFO L480 AbstractCegarLoop]: Abstraction has 2468 states and 3449 transitions. [2018-11-07 09:02:10,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 09:02:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3449 transitions. [2018-11-07 09:02:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-11-07 09:02:10,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:02:10,510 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-07 09:02:10,510 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:02:10,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:02:10,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1019642442, now seen corresponding path program 1 times [2018-11-07 09:02:10,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:02:10,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:02:10,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:02:10,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:02:10,512 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:02:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:02:11,669 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-07 09:02:12,145 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-07 09:02:12,469 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-11-07 09:02:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 390 proven. 232 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-07 09:02:12,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:02:12,967 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:02:12,967 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 449 with the following transitions: [2018-11-07 09:02:12,968 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [341], [343], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-07 09:02:12,972 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:02:12,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:02:16,857 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:02:16,857 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:02:16,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:02:16,862 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:02:18,977 INFO L227 lantSequenceWeakener]: Weakened 445 states. On average, predicates are now at 77.76% of their original sizes. [2018-11-07 09:02:18,977 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:02:19,054 INFO L415 sIntCurrentIteration]: We unified 447 AI predicates to 447 [2018-11-07 09:02:19,055 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:02:19,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:02:19,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-07 09:02:19,055 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:02:19,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:02:19,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:02:19,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:02:19,056 INFO L87 Difference]: Start difference. First operand 2468 states and 3449 transitions. Second operand 10 states. [2018-11-07 09:02:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:02:35,695 INFO L93 Difference]: Finished difference Result 4935 states and 6908 transitions. [2018-11-07 09:02:35,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 09:02:35,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 448 [2018-11-07 09:02:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:02:35,708 INFO L225 Difference]: With dead ends: 4935 [2018-11-07 09:02:35,708 INFO L226 Difference]: Without dead ends: 2656 [2018-11-07 09:02:35,718 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 455 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 09:02:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2018-11-07 09:02:35,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2653. [2018-11-07 09:02:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2653 states. [2018-11-07 09:02:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3641 transitions. [2018-11-07 09:02:35,781 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3641 transitions. Word has length 448 [2018-11-07 09:02:35,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:02:35,782 INFO L480 AbstractCegarLoop]: Abstraction has 2653 states and 3641 transitions. [2018-11-07 09:02:35,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 09:02:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3641 transitions. [2018-11-07 09:02:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-11-07 09:02:35,798 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:02:35,799 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:02:35,799 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:02:35,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:02:35,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2044324798, now seen corresponding path program 1 times [2018-11-07 09:02:35,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:02:35,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:02:35,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:02:35,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:02:35,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:02:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:02:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2018-11-07 09:02:36,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:02:36,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 09:02:36,207 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:02:36,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 09:02:36,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 09:02:36,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:02:36,208 INFO L87 Difference]: Start difference. First operand 2653 states and 3641 transitions. Second operand 3 states. [2018-11-07 09:02:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:02:37,254 INFO L93 Difference]: Finished difference Result 5665 states and 8404 transitions. [2018-11-07 09:02:37,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 09:02:37,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 484 [2018-11-07 09:02:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:02:37,262 INFO L225 Difference]: With dead ends: 5665 [2018-11-07 09:02:37,262 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 09:02:37,293 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 09:02:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 09:02:37,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 09:02:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 09:02:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 09:02:37,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 484 [2018-11-07 09:02:37,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:02:37,295 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 09:02:37,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 09:02:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 09:02:37,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 09:02:37,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 09:02:37,610 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2018-11-07 09:02:38,150 WARN L179 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2018-11-07 09:02:38,250 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 09:02:38,251 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a15~0)| ~a15~0) [2018-11-07 09:02:38,251 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 09:02:38,251 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-07 09:02:38,251 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-07 09:02:38,252 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-07 09:02:38,253 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-07 09:02:38,254 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 09:02:38,255 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-07 09:02:38,256 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-07 09:02:38,257 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-07 09:02:38,258 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 09:02:38,259 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-07 09:02:38,260 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= 6 |old(~a15~0)|)) (.cse7 (= 8 |old(~a21~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse1 (not (= 1 |old(~a24~0)|))) (.cse3 (not (= 0 (+ |old(~a12~0)| 49)))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse5 (= (+ ~a12~0 49) 0)) (.cse6 (= ~a24~0 1)) (.cse0 (not (= 10 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 |old(~a15~0)|) (= 9 |old(~a15~0)|) (and .cse5 .cse6)) (or .cse7 (not (= 8 ~a21~0))) (or .cse8 .cse2) (or (< 80 |old(~a12~0)|) (and (<= ~a12~0 80) .cse8)) (or .cse7 .cse8) (or (and .cse5 .cse6 (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) .cse1 (not (= 8 |old(~a15~0)|)) .cse3 .cse4) (or (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))) .cse1 .cse3 .cse4 (and .cse5 .cse6 (= ~a21~0 6))) (or .cse0 (= 10 ~a21~0)))) [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-07 09:02:38,261 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-07 09:02:38,262 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,263 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-07 09:02:38,264 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-07 09:02:38,265 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-07 09:02:38,266 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-07 09:02:38,267 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-07 09:02:38,268 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-07 09:02:38,269 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-07 09:02:38,270 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-07 09:02:38,271 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,272 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-07 09:02:38,273 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,274 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-07 09:02:38,275 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-07 09:02:38,276 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 09:02:38,276 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-07 09:02:38,276 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-07 09:02:38,277 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-11-07 09:02:38,277 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-07 09:02:38,277 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-07 09:02:38,277 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-07 09:02:38,277 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (or (<= ~a12~0 80) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (not (= 8 ~a21~0)) (not (= ~a15~0 6))) [2018-11-07 09:02:38,277 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-07 09:02:38,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:02:38 BoogieIcfgContainer [2018-11-07 09:02:38,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:02:38,290 INFO L168 Benchmark]: Toolchain (without parser) took 124718.41 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:02:38,291 INFO L168 Benchmark]: CDTParser took 0.22 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 09:02:38,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.10 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-11-07 09:02:38,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -825.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2018-11-07 09:02:38,295 INFO L168 Benchmark]: Boogie Preprocessor took 109.76 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 09:02:38,295 INFO L168 Benchmark]: RCFGBuilder took 3512.67 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: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-11-07 09:02:38,297 INFO L168 Benchmark]: TraceAbstraction took 120107.84 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 412.5 MB. Max. memory is 7.1 GB. [2018-11-07 09:02:38,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 792.10 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 189.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -825.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.76 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3512.67 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: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 120107.84 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 412.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 880]: Loop Invariant Derived loop invariant: (((((a12 <= 80 || !(7 == \old(a21))) || !(1 == \old(a24))) || !(8 == \old(a15))) || !(0 == \old(a12) + 49)) || !(8 == a21)) || !(a15 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 120.0s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 91.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1159 SDtfs, 4330 SDslu, 978 SDs, 0 SdLazy, 5825 SolverSat, 1540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1099 GetRequests, 1047 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2653occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.1s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9973138089677125 AbsIntWeakeningRatio, 0.09090909090909091 AbsIntAvgWeakeningVarsNumRemoved, 16.40625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 72 PreInvPairs, 113 NumberOfFragments, 261 HoareAnnotationTreeSize, 72 FomulaSimplifications, 1478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 750 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1867 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 4296023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1813/2219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...