java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:02:32,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:02:32,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:02:32,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:02:32,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:02:32,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:02:32,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:02:32,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:02:32,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:02:32,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:02:32,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:02:32,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:02:32,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:02:32,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:02:32,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:02:32,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:02:32,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:02:32,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:02:32,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:02:32,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:02:32,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:02:32,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:02:32,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:02:32,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:02:32,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:02:32,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:02:32,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:02:32,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:02:32,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:02:32,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:02:32,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:02:32,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:02:32,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:02:32,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:02:32,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:02:32,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:02:32,581 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:02:32,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:02:32,605 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:02:32,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:02:32,607 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:02:32,607 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:02:32,608 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:02:32,608 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:02:32,608 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:02:32,608 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:02:32,609 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:02:32,609 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:02:32,609 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:02:32,609 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:02:32,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:02:32,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:02:32,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:02:32,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:02:32,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:02:32,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:02:32,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:02:32,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:02:32,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:02:32,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:02:32,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:02:32,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:02:32,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:02:32,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:02:32,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:02:32,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:02:32,615 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:02:32,615 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:02:32,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:02:32,616 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:02:32,616 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:02:32,616 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:02:32,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:02:32,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:02:32,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:02:32,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:02:32,708 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:02:32,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-07 20:02:32,768 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ded38e4d/ebcfb69423934373a9632d139252f5b5/FLAG53a9d744d [2018-11-07 20:02:33,341 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:02:33,342 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-11-07 20:02:33,357 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ded38e4d/ebcfb69423934373a9632d139252f5b5/FLAG53a9d744d [2018-11-07 20:02:33,377 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ded38e4d/ebcfb69423934373a9632d139252f5b5 [2018-11-07 20:02:33,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:02:33,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:02:33,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:02:33,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:02:33,400 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:02:33,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:33" (1/1) ... [2018-11-07 20:02:33,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44783422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:33, skipping insertion in model container [2018-11-07 20:02:33,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:33" (1/1) ... [2018-11-07 20:02:33,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:02:33,494 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:02:33,984 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:02:33,988 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:02:34,095 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:02:34,119 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:02:34,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34 WrapperNode [2018-11-07 20:02:34,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:02:34,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:02:34,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:02:34,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:02:34,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:02:34,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:02:34,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:02:34,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:02:34,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (1/1) ... [2018-11-07 20:02:34,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:02:34,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:02:34,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:02:34,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:02:34,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (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 20:02:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:02:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:02:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:02:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:02:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:02:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:02:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:02:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:02:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:02:37,607 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:02:37,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:37 BoogieIcfgContainer [2018-11-07 20:02:37,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:02:37,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:02:37,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:02:37,615 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:02:37,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:33" (1/3) ... [2018-11-07 20:02:37,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749ec895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:37, skipping insertion in model container [2018-11-07 20:02:37,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:34" (2/3) ... [2018-11-07 20:02:37,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749ec895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:37, skipping insertion in model container [2018-11-07 20:02:37,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:37" (3/3) ... [2018-11-07 20:02:37,620 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label20_true-unreach-call.c [2018-11-07 20:02:37,632 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:02:37,646 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:02:37,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:02:37,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:02:37,720 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:02:37,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:02:37,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:02:37,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:02:37,721 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:02:37,721 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:02:37,721 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:02:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:02:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-07 20:02:37,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:37,760 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] [2018-11-07 20:02:37,763 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:37,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:37,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2089647903, now seen corresponding path program 1 times [2018-11-07 20:02:37,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:37,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:37,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:37,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:37,824 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:38,228 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:38,247 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 20:02:38,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:02:38,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:02:38,254 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:38,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:02:38,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:02:38,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:02:38,279 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:02:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:40,106 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:02:40,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:02:40,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-11-07 20:02:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:40,127 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:02:40,128 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:02:40,135 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:02:40,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:02:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:02:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:02:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 20:02:40,221 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 35 [2018-11-07 20:02:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:40,222 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 20:02:40,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:02:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 20:02:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 20:02:40,229 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:40,231 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:40,231 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:40,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1879649099, now seen corresponding path program 1 times [2018-11-07 20:02:40,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:40,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:40,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:40,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:40,234 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:40,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:02:40,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:02:40,527 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:40,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:02:40,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:02:40,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:02:40,530 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 20:02:42,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:42,970 INFO L93 Difference]: Finished difference Result 1288 states and 2312 transitions. [2018-11-07 20:02:42,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 20:02:42,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-11-07 20:02:42,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:42,980 INFO L225 Difference]: With dead ends: 1288 [2018-11-07 20:02:42,981 INFO L226 Difference]: Without dead ends: 938 [2018-11-07 20:02:42,985 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:02:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-11-07 20:02:43,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 923. [2018-11-07 20:02:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2018-11-07 20:02:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1440 transitions. [2018-11-07 20:02:43,069 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1440 transitions. Word has length 118 [2018-11-07 20:02:43,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:43,070 INFO L480 AbstractCegarLoop]: Abstraction has 923 states and 1440 transitions. [2018-11-07 20:02:43,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:02:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1440 transitions. [2018-11-07 20:02:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-07 20:02:43,076 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:43,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:43,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:43,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:43,077 INFO L82 PathProgramCache]: Analyzing trace with hash 820065387, now seen corresponding path program 1 times [2018-11-07 20:02:43,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:43,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:43,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:43,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:43,079 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:43,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:02:43,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:02:43,339 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:43,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:02:43,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:02:43,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:02:43,341 INFO L87 Difference]: Start difference. First operand 923 states and 1440 transitions. Second operand 6 states. [2018-11-07 20:02:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:47,223 INFO L93 Difference]: Finished difference Result 2531 states and 4077 transitions. [2018-11-07 20:02:47,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:02:47,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-07 20:02:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:47,236 INFO L225 Difference]: With dead ends: 2531 [2018-11-07 20:02:47,237 INFO L226 Difference]: Without dead ends: 1614 [2018-11-07 20:02:47,244 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:02:47,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2018-11-07 20:02:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1583. [2018-11-07 20:02:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2018-11-07 20:02:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2316 transitions. [2018-11-07 20:02:47,309 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2316 transitions. Word has length 134 [2018-11-07 20:02:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:47,311 INFO L480 AbstractCegarLoop]: Abstraction has 1583 states and 2316 transitions. [2018-11-07 20:02:47,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:02:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2316 transitions. [2018-11-07 20:02:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 20:02:47,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:47,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:47,318 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:47,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:47,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1308687845, now seen corresponding path program 1 times [2018-11-07 20:02:47,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:47,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:47,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,320 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:47,668 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:47,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:02:47,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:02:47,967 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:47,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:02:47,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:02:47,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:02:47,969 INFO L87 Difference]: Start difference. First operand 1583 states and 2316 transitions. Second operand 6 states. [2018-11-07 20:02:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:49,346 INFO L93 Difference]: Finished difference Result 3502 states and 5312 transitions. [2018-11-07 20:02:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:02:49,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-07 20:02:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:49,360 INFO L225 Difference]: With dead ends: 3502 [2018-11-07 20:02:49,360 INFO L226 Difference]: Without dead ends: 1925 [2018-11-07 20:02:49,367 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:02:49,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2018-11-07 20:02:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1884. [2018-11-07 20:02:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1884 states. [2018-11-07 20:02:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2676 transitions. [2018-11-07 20:02:49,432 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2676 transitions. Word has length 158 [2018-11-07 20:02:49,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:49,432 INFO L480 AbstractCegarLoop]: Abstraction has 1884 states and 2676 transitions. [2018-11-07 20:02:49,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:02:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2676 transitions. [2018-11-07 20:02:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-07 20:02:49,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:49,440 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:02:49,440 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:49,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:49,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1100982905, now seen corresponding path program 1 times [2018-11-07 20:02:49,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:49,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:49,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:49,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:49,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:49,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:49,703 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:49,704 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-07 20:02:49,706 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], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:49,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:49,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:50,183 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:50,704 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:50,706 INFO L272 AbstractInterpreter]: Visited 91 different actions 260 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:50,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:50,755 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:51,373 INFO L227 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 75.25% of their original sizes. [2018-11-07 20:02:51,373 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:52,495 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-11-07 20:02:52,496 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:52,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:52,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-07 20:02:52,497 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:52,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:02:52,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:02:52,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:02:52,499 INFO L87 Difference]: Start difference. First operand 1884 states and 2676 transitions. Second operand 21 states. [2018-11-07 20:03:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:16,274 INFO L93 Difference]: Finished difference Result 4584 states and 6622 transitions. [2018-11-07 20:03:16,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 20:03:16,274 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 189 [2018-11-07 20:03:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:16,289 INFO L225 Difference]: With dead ends: 4584 [2018-11-07 20:03:16,289 INFO L226 Difference]: Without dead ends: 2706 [2018-11-07 20:03:16,297 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=279, Invalid=1203, Unknown=0, NotChecked=0, Total=1482 [2018-11-07 20:03:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2018-11-07 20:03:16,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2477. [2018-11-07 20:03:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2477 states. [2018-11-07 20:03:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3326 transitions. [2018-11-07 20:03:16,365 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3326 transitions. Word has length 189 [2018-11-07 20:03:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:16,366 INFO L480 AbstractCegarLoop]: Abstraction has 2477 states and 3326 transitions. [2018-11-07 20:03:16,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:03:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3326 transitions. [2018-11-07 20:03:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-07 20:03:16,371 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:16,371 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:03:16,371 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:16,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:16,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1928767200, now seen corresponding path program 1 times [2018-11-07 20:03:16,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:16,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:16,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:16,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:16,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:16,788 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:03:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:03:17,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:17,261 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:17,262 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-07 20:03:17,262 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], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [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], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:17,267 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:17,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:17,351 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:17,660 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:17,660 INFO L272 AbstractInterpreter]: Visited 92 different actions 517 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:03:17,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:17,671 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:17,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:17,673 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:03:17,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:17,685 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:17,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:03:18,014 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:03:18,465 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:18,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-07 20:03:18,466 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:18,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 20:03:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 20:03:18,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-07 20:03:18,469 INFO L87 Difference]: Start difference. First operand 2477 states and 3326 transitions. Second operand 15 states. [2018-11-07 20:03:19,185 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-11-07 20:03:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:27,250 INFO L93 Difference]: Finished difference Result 8331 states and 12722 transitions. [2018-11-07 20:03:27,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-07 20:03:27,251 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2018-11-07 20:03:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:27,286 INFO L225 Difference]: With dead ends: 8331 [2018-11-07 20:03:27,286 INFO L226 Difference]: Without dead ends: 5697 [2018-11-07 20:03:27,321 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 411 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=567, Invalid=1689, Unknown=0, NotChecked=0, Total=2256 [2018-11-07 20:03:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2018-11-07 20:03:27,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5175. [2018-11-07 20:03:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5175 states. [2018-11-07 20:03:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6609 transitions. [2018-11-07 20:03:27,508 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6609 transitions. Word has length 198 [2018-11-07 20:03:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:27,508 INFO L480 AbstractCegarLoop]: Abstraction has 5175 states and 6609 transitions. [2018-11-07 20:03:27,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 20:03:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6609 transitions. [2018-11-07 20:03:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-07 20:03:27,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:27,528 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, 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, 3, 3, 3, 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] [2018-11-07 20:03:27,529 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:27,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:27,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1099525103, now seen corresponding path program 1 times [2018-11-07 20:03:27,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:27,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:27,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:27,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:27,531 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 20:03:28,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:28,124 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:28,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-11-07 20:03:28,124 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], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [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], [526], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:28,129 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:28,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:28,259 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:28,717 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:03:28,717 INFO L272 AbstractInterpreter]: Visited 125 different actions 372 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:03:28,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:28,755 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:03:29,225 INFO L227 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 77.3% of their original sizes. [2018-11-07 20:03:29,225 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:03:30,195 INFO L415 sIntCurrentIteration]: We unified 311 AI predicates to 311 [2018-11-07 20:03:30,195 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:03:30,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:03:30,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2018-11-07 20:03:30,196 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:30,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-07 20:03:30,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-07 20:03:30,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:03:30,197 INFO L87 Difference]: Start difference. First operand 5175 states and 6609 transitions. Second operand 20 states. [2018-11-07 20:03:47,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:47,353 INFO L93 Difference]: Finished difference Result 11831 states and 15741 transitions. [2018-11-07 20:03:47,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-07 20:03:47,353 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 312 [2018-11-07 20:03:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:47,383 INFO L225 Difference]: With dead ends: 11831 [2018-11-07 20:03:47,383 INFO L226 Difference]: Without dead ends: 6958 [2018-11-07 20:03:47,410 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 324 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=207, Invalid=849, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 20:03:47,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6958 states. [2018-11-07 20:03:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6958 to 6899. [2018-11-07 20:03:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6899 states. [2018-11-07 20:03:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6899 states to 6899 states and 8789 transitions. [2018-11-07 20:03:47,590 INFO L78 Accepts]: Start accepts. Automaton has 6899 states and 8789 transitions. Word has length 312 [2018-11-07 20:03:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:47,591 INFO L480 AbstractCegarLoop]: Abstraction has 6899 states and 8789 transitions. [2018-11-07 20:03:47,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-07 20:03:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6899 states and 8789 transitions. [2018-11-07 20:03:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-07 20:03:47,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:47,610 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 20:03:47,610 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:47,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:47,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1034455459, now seen corresponding path program 1 times [2018-11-07 20:03:47,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:47,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:47,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:47,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:47,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:48,266 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-07 20:03:48,589 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-07 20:03:49,157 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-11-07 20:03:49,911 WARN L179 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-11-07 20:03:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 144 proven. 114 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-07 20:03:50,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:50,222 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:50,222 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-07 20:03:50,222 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], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [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], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:50,226 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:50,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:50,310 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:50,767 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:50,767 INFO L272 AbstractInterpreter]: Visited 126 different actions 496 times. Merged at 8 different actions 28 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:03:50,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:50,805 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:50,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:50,805 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:03:50,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:50,819 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:50,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-07 20:03:51,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-07 20:03:52,158 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:03:52,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 13 [2018-11-07 20:03:52,159 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:52,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:03:52,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:03:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:03:52,160 INFO L87 Difference]: Start difference. First operand 6899 states and 8789 transitions. Second operand 3 states. [2018-11-07 20:03:53,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:53,109 INFO L93 Difference]: Finished difference Result 14652 states and 19073 transitions. [2018-11-07 20:03:53,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:03:53,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2018-11-07 20:03:53,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:53,111 INFO L225 Difference]: With dead ends: 14652 [2018-11-07 20:03:53,111 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:03:53,136 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 644 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:03:53,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:03:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:03:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:03:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:03:53,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2018-11-07 20:03:53,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:53,137 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:03:53,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:03:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:03:53,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:03:53,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:03:53,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,697 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 196 [2018-11-07 20:03:53,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:53,975 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 173 [2018-11-07 20:03:54,574 WARN L179 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2018-11-07 20:03:55,054 WARN L179 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-07 20:03:56,196 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 273 DAG size of output: 35 [2018-11-07 20:03:56,896 WARN L179 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2018-11-07 20:03:57,353 WARN L179 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 56 [2018-11-07 20:03:57,356 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,357 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,358 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:03:57,359 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:03:57,360 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,361 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:03:57,362 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:03:57,363 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:03:57,364 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,365 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:03:57,366 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,367 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:03:57,368 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:03:57,369 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:03:57,370 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:03:57,371 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|))) (.cse4 (= 7 |old(~a19~0)|)) (.cse0 (= 10 |old(~a19~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0)))) (and (or (= 3 |old(~a10~0)|) (< |old(~a10~0)| 1) .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse2 (< 1 |old(~a10~0)|)) .cse3) (or .cse3 (or .cse4 .cse0 .cse1 .cse2)))) [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,372 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:03:57,373 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:03:57,374 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:57,375 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:03:57,376 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:03:57,377 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:03:57,377 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:03:57,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:57,377 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-07 20:03:57,377 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:03:57,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:57,378 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0))) [2018-11-07 20:03:57,378 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:57,378 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 10))) (.cse0 (not (= ~a19~0 7)))) (or (not (= |old(~a1~0)| 23)) (and .cse0 .cse1) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (and (not (= ~a10~0 3)) .cse1 (<= 1 ~a10~0)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and .cse0 (<= ~a10~0 1)))) [2018-11-07 20:03:57,378 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:03:57,378 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:03:57,378 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:03:57,379 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 10))) (.cse0 (not (= ~a19~0 7)))) (or (not (= |old(~a1~0)| 23)) (and .cse0 .cse1) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (and (not (= ~a10~0 3)) .cse1 (<= 1 ~a10~0)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and .cse0 (<= ~a10~0 1)))) [2018-11-07 20:03:57,379 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:57,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:03:57 BoogieIcfgContainer [2018-11-07 20:03:57,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:03:57,392 INFO L168 Benchmark]: Toolchain (without parser) took 83999.82 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:57,393 INFO L168 Benchmark]: CDTParser took 0.20 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 20:03:57,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:57,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.99 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:57,395 INFO L168 Benchmark]: Boogie Preprocessor took 127.71 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 20:03:57,395 INFO L168 Benchmark]: RCFGBuilder took 3222.58 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:57,396 INFO L168 Benchmark]: TraceAbstraction took 79781.06 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -534.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:57,401 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 724.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 135.99 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.71 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 3222.58 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79781.06 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -534.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a1) == 23) || (!(a19 == 7) && !(a19 == 10))) || !(inputF == 6)) || !(\old(a10) == 0)) || !(a12 == 0)) || !(4 == inputD)) || !(inputE == 5)) || ((!(a10 == 3) && !(a19 == 10)) && 1 <= a10)) || !(14 == a4)) || !(3 == inputC)) || !(2 == inputB)) || !(\old(a19) == 9)) || (!(a19 == 7) && a10 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 79.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 60.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1052 SDtfs, 8856 SDslu, 1115 SDs, 0 SdLazy, 11577 SolverSat, 2702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1683 GetRequests, 1526 SyntacticMatches, 11 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6899occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.996371483295675 AbsIntWeakeningRatio, 0.11623246492985972 AbsIntAvgWeakeningVarsNumRemoved, 16.955911823647295 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 897 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 203 NumberOfFragments, 316 HoareAnnotationTreeSize, 121 FomulaSimplifications, 20672 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11533 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1986 NumberOfCodeBlocks, 1986 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2494 ConstructedInterpolants, 0 QuantifiedInterpolants, 2676870 SizeOfPredicates, 2 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 1832/1956 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...