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/Problem11_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:39:16,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:39:16,364 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:39:16,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:39:16,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:39:16,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:39:16,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:39:16,381 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:39:16,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:39:16,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:39:16,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:39:16,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:39:16,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:39:16,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:39:16,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:39:16,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:39:16,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:39:16,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:39:16,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:39:16,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:39:16,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:39:16,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:39:16,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:39:16,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:39:16,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:39:16,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:39:16,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:39:16,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:39:16,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:39:16,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:39:16,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:39:16,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:39:16,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:39:16,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:39:16,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:39:16,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:39:16,432 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 [2018-11-12 18:39:16,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:39:16,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:39:16,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:39:16,466 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:39:16,466 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:39:16,466 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:39:16,467 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:39:16,470 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:39:16,470 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:39:16,470 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:39:16,470 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:39:16,471 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:39:16,471 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:39:16,472 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:39:16,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:39:16,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:39:16,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:39:16,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:39:16,475 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:39:16,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:39:16,475 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:39:16,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:39:16,476 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:39:16,476 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:39:16,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:39:16,476 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:39:16,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:39:16,477 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:39:16,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:39:16,477 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:39:16,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:39:16,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:39:16,478 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:39:16,478 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:39:16,478 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:39:16,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:39:16,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:39:16,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:39:16,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:39:16,552 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:39:16,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-12 18:39:16,608 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90dc7588/743b853a5a6b4b4786e603721db2344d/FLAGe11d7a833 [2018-11-12 18:39:17,241 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:39:17,242 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-12 18:39:17,258 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90dc7588/743b853a5a6b4b4786e603721db2344d/FLAGe11d7a833 [2018-11-12 18:39:17,279 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90dc7588/743b853a5a6b4b4786e603721db2344d [2018-11-12 18:39:17,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:39:17,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:39:17,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:39:17,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:39:17,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:39:17,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:39:17" (1/1) ... [2018-11-12 18:39:17,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9ae0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:17, skipping insertion in model container [2018-11-12 18:39:17,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:39:17" (1/1) ... [2018-11-12 18:39:17,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:39:17,418 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:39:18,157 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:39:18,163 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:39:18,370 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:39:18,389 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:39:18,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18 WrapperNode [2018-11-12 18:39:18,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:39:18,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:39:18,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:39:18,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:39:18,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:39:18,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:39:18,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:39:18,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:39:18,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (1/1) ... [2018-11-12 18:39:18,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:39:18,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:39:18,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:39:18,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:39:18,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (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 [2018-11-12 18:39:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:39:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:39:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:39:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:39:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:39:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:39:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:39:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:39:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:39:23,790 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:39:23,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:39:23 BoogieIcfgContainer [2018-11-12 18:39:23,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:39:23,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:39:23,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:39:23,795 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:39:23,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:39:17" (1/3) ... [2018-11-12 18:39:23,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402e0b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:39:23, skipping insertion in model container [2018-11-12 18:39:23,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:39:18" (2/3) ... [2018-11-12 18:39:23,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@402e0b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:39:23, skipping insertion in model container [2018-11-12 18:39:23,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:39:23" (3/3) ... [2018-11-12 18:39:23,800 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-11-12 18:39:23,810 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:39:23,819 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:39:23,837 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:39:23,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:39:23,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:39:23,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:39:23,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:39:23,877 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:39:23,877 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:39:23,878 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:39:23,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:39:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-12 18:39:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-12 18:39:23,917 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:39:23,918 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:39:23,921 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:39:23,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:23,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-11-12 18:39:23,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:39:23,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:23,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:23,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:23,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:39:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:24,470 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-12 18:39:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:24,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:39:24,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:39:24,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:39:24,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:39:24,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:39:24,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:39:24,512 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-12 18:39:27,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:39:27,710 INFO L93 Difference]: Finished difference Result 982 states and 1758 transitions. [2018-11-12 18:39:27,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:39:27,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-12 18:39:27,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:39:27,735 INFO L225 Difference]: With dead ends: 982 [2018-11-12 18:39:27,735 INFO L226 Difference]: Without dead ends: 683 [2018-11-12 18:39:27,745 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:39:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-12 18:39:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2018-11-12 18:39:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-11-12 18:39:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2018-11-12 18:39:27,847 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 47 [2018-11-12 18:39:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:39:27,848 INFO L480 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2018-11-12 18:39:27,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:39:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2018-11-12 18:39:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-12 18:39:27,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:39:27,857 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:39:27,858 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:39:27,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash -498802676, now seen corresponding path program 1 times [2018-11-12 18:39:27,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:39:27,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:27,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:27,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:27,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:39:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:28,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:39:28,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:39:28,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:39:28,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:39:28,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:39:28,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:39:28,211 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand 4 states. [2018-11-12 18:39:32,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:39:32,405 INFO L93 Difference]: Finished difference Result 2515 states and 3862 transitions. [2018-11-12 18:39:32,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:39:32,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-11-12 18:39:32,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:39:32,422 INFO L225 Difference]: With dead ends: 2515 [2018-11-12 18:39:32,423 INFO L226 Difference]: Without dead ends: 1838 [2018-11-12 18:39:32,429 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:39:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-11-12 18:39:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1820. [2018-11-12 18:39:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2018-11-12 18:39:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2601 transitions. [2018-11-12 18:39:32,542 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2601 transitions. Word has length 121 [2018-11-12 18:39:32,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:39:32,543 INFO L480 AbstractCegarLoop]: Abstraction has 1820 states and 2601 transitions. [2018-11-12 18:39:32,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:39:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2601 transitions. [2018-11-12 18:39:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-12 18:39:32,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:39:32,556 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:39:32,558 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:39:32,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:32,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1179143583, now seen corresponding path program 1 times [2018-11-12 18:39:32,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:39:32,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:32,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:32,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:32,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:39:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:32,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:39:32,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:39:32,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:39:32,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:39:32,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:39:32,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:39:32,941 INFO L87 Difference]: Start difference. First operand 1820 states and 2601 transitions. Second operand 5 states. [2018-11-12 18:39:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:39:37,485 INFO L93 Difference]: Finished difference Result 6437 states and 9598 transitions. [2018-11-12 18:39:37,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 18:39:37,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-12 18:39:37,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:39:37,521 INFO L225 Difference]: With dead ends: 6437 [2018-11-12 18:39:37,522 INFO L226 Difference]: Without dead ends: 4623 [2018-11-12 18:39:37,540 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:39:37,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2018-11-12 18:39:37,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4403. [2018-11-12 18:39:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2018-11-12 18:39:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5852 transitions. [2018-11-12 18:39:37,681 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5852 transitions. Word has length 134 [2018-11-12 18:39:37,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:39:37,681 INFO L480 AbstractCegarLoop]: Abstraction has 4403 states and 5852 transitions. [2018-11-12 18:39:37,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:39:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5852 transitions. [2018-11-12 18:39:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-12 18:39:37,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:39:37,690 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:39:37,690 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:39:37,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:37,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-11-12 18:39:37,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:39:37,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:37,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:37,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:37,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:39:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:38,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:39:38,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:39:38,009 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-11-12 18:39:38,011 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:39:38,071 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:39:38,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:39:38,864 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:39:40,013 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:39:40,015 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Performed 6198 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6198 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-12 18:39:40,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:40,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:39:40,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:39:40,051 INFO L192 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 [2018-11-12 18:39:40,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:40,070 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:39:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:40,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:39:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:40,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:39:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:40,779 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:39:40,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-12 18:39:40,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:39:40,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:39:40,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:39:40,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:39:40,781 INFO L87 Difference]: Start difference. First operand 4403 states and 5852 transitions. Second operand 3 states. [2018-11-12 18:39:43,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:39:43,343 INFO L93 Difference]: Finished difference Result 9982 states and 13708 transitions. [2018-11-12 18:39:43,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:39:43,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-11-12 18:39:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:39:43,385 INFO L225 Difference]: With dead ends: 9982 [2018-11-12 18:39:43,385 INFO L226 Difference]: Without dead ends: 5585 [2018-11-12 18:39:43,414 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:39:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2018-11-12 18:39:43,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5576. [2018-11-12 18:39:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5576 states. [2018-11-12 18:39:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 7430 transitions. [2018-11-12 18:39:43,587 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 7430 transitions. Word has length 179 [2018-11-12 18:39:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:39:43,587 INFO L480 AbstractCegarLoop]: Abstraction has 5576 states and 7430 transitions. [2018-11-12 18:39:43,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:39:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 7430 transitions. [2018-11-12 18:39:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-12 18:39:43,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:39:43,600 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:39:43,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:39:43,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:43,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1915795574, now seen corresponding path program 1 times [2018-11-12 18:39:43,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:39:43,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:43,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:39:43,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:39:43,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:39:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:39:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:39:44,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:39:44,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:39:44,190 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-12 18:39:44,191 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:39:44,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:39:44,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:39:44,298 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:39:44,298 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Performed 939 root evaluator evaluations with a maximum evaluation depth of 6. Performed 939 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 28 variables. [2018-11-12 18:39:44,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:39:44,336 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:39:44,764 INFO L227 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 73.49% of their original sizes. [2018-11-12 18:39:44,764 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:39:44,854 INFO L415 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2018-11-12 18:39:44,854 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:39:44,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:39:44,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 18:39:44,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:39:44,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 18:39:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 18:39:44,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 18:39:44,857 INFO L87 Difference]: Start difference. First operand 5576 states and 7430 transitions. Second operand 7 states. [2018-11-12 18:39:47,465 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:39:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:39:59,882 INFO L93 Difference]: Finished difference Result 11338 states and 15079 transitions. [2018-11-12 18:39:59,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:39:59,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2018-11-12 18:39:59,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:39:59,911 INFO L225 Difference]: With dead ends: 11338 [2018-11-12 18:39:59,912 INFO L226 Difference]: Without dead ends: 5768 [2018-11-12 18:39:59,933 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:39:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2018-11-12 18:40:00,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5766. [2018-11-12 18:40:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5766 states. [2018-11-12 18:40:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5766 states to 5766 states and 7631 transitions. [2018-11-12 18:40:00,084 INFO L78 Accepts]: Start accepts. Automaton has 5766 states and 7631 transitions. Word has length 206 [2018-11-12 18:40:00,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:40:00,084 INFO L480 AbstractCegarLoop]: Abstraction has 5766 states and 7631 transitions. [2018-11-12 18:40:00,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-12 18:40:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5766 states and 7631 transitions. [2018-11-12 18:40:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-12 18:40:00,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:40:00,100 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:40:00,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:40:00,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:40:00,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1559831110, now seen corresponding path program 1 times [2018-11-12 18:40:00,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:40:00,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:40:00,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:40:00,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:40:00,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:40:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:40:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:40:01,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:40:01,370 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:40:01,370 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-12 18:40:01,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:40:01,376 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:40:01,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:40:01,512 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:40:02,414 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:40:02,414 INFO L272 AbstractInterpreter]: Visited 141 different actions 554 times. Merged at 7 different actions 24 times. Never widened. Performed 8686 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8686 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-12 18:40:02,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:40:02,418 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:40:02,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:40:02,418 INFO L192 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 [2018-11-12 18:40:02,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:40:02,428 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:40:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:40:02,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:40:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-12 18:40:03,682 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:40:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:40:04,216 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:40:04,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 8] total 26 [2018-11-12 18:40:04,217 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:40:04,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-12 18:40:04,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-12 18:40:04,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2018-11-12 18:40:04,219 INFO L87 Difference]: Start difference. First operand 5766 states and 7631 transitions. Second operand 21 states. [2018-11-12 18:40:04,594 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-11-12 18:40:11,235 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-11-12 18:40:15,953 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-11-12 18:40:20,081 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-12 18:40:21,244 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-11-12 18:40:24,640 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-11-12 18:40:36,615 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-11-12 18:40:37,533 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2018-11-12 18:40:38,783 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2018-11-12 18:40:41,992 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-11-12 18:40:42,736 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-11-12 18:40:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:40:43,866 INFO L93 Difference]: Finished difference Result 27684 states and 45811 transitions. [2018-11-12 18:40:43,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-11-12 18:40:43,867 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 284 [2018-11-12 18:40:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:40:44,053 INFO L225 Difference]: With dead ends: 27684 [2018-11-12 18:40:44,053 INFO L226 Difference]: Without dead ends: 20670 [2018-11-12 18:40:44,186 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 585 SyntacticMatches, 3 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9355 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=3623, Invalid=20869, Unknown=0, NotChecked=0, Total=24492 [2018-11-12 18:40:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20670 states. [2018-11-12 18:40:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20670 to 18878. [2018-11-12 18:40:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18878 states. [2018-11-12 18:40:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18878 states to 18878 states and 24718 transitions. [2018-11-12 18:40:45,324 INFO L78 Accepts]: Start accepts. Automaton has 18878 states and 24718 transitions. Word has length 284 [2018-11-12 18:40:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:40:45,325 INFO L480 AbstractCegarLoop]: Abstraction has 18878 states and 24718 transitions. [2018-11-12 18:40:45,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-12 18:40:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 18878 states and 24718 transitions. [2018-11-12 18:40:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-12 18:40:45,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:40:45,361 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:40:45,361 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:40:45,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:40:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1259223746, now seen corresponding path program 1 times [2018-11-12 18:40:45,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:40:45,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:40:45,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:40:45,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:40:45,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:40:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:40:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-12 18:40:46,000 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:40:46,000 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:40:46,001 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-11-12 18:40:46,001 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:40:46,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:40:46,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:40:46,224 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:40:46,379 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:40:46,379 INFO L272 AbstractInterpreter]: Visited 126 different actions 248 times. Merged at 5 different actions 7 times. Never widened. Performed 4303 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4303 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-12 18:40:46,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:40:46,417 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:40:46,963 INFO L227 lantSequenceWeakener]: Weakened 320 states. On average, predicates are now at 73.4% of their original sizes. [2018-11-12 18:40:46,965 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:40:47,909 INFO L415 sIntCurrentIteration]: We unified 322 AI predicates to 322 [2018-11-12 18:40:47,909 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:40:47,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:40:47,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 18:40:47,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:40:47,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 18:40:47,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 18:40:47,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 18:40:47,911 INFO L87 Difference]: Start difference. First operand 18878 states and 24718 transitions. Second operand 11 states. [2018-11-12 18:41:02,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:41:02,271 INFO L93 Difference]: Finished difference Result 37249 states and 48912 transitions. [2018-11-12 18:41:02,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-12 18:41:02,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 323 [2018-11-12 18:41:02,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:41:02,342 INFO L225 Difference]: With dead ends: 37249 [2018-11-12 18:41:02,343 INFO L226 Difference]: Without dead ends: 19076 [2018-11-12 18:41:02,384 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 331 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-12 18:41:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19076 states. [2018-11-12 18:41:02,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19076 to 19070. [2018-11-12 18:41:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19070 states. [2018-11-12 18:41:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19070 states to 19070 states and 24930 transitions. [2018-11-12 18:41:02,788 INFO L78 Accepts]: Start accepts. Automaton has 19070 states and 24930 transitions. Word has length 323 [2018-11-12 18:41:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:41:02,789 INFO L480 AbstractCegarLoop]: Abstraction has 19070 states and 24930 transitions. [2018-11-12 18:41:02,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 18:41:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 19070 states and 24930 transitions. [2018-11-12 18:41:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-12 18:41:02,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:41:02,821 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:41:02,821 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:41:02,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:02,822 INFO L82 PathProgramCache]: Analyzing trace with hash 576984306, now seen corresponding path program 1 times [2018-11-12 18:41:02,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:41:02,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:02,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:02,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:02,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:41:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 285 proven. 81 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-12 18:41:03,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:03,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:41:03,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 334 with the following transitions: [2018-11-12 18:41:03,434 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [547], [550], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:41:03,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:41:03,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:41:03,584 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:41:04,097 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:41:04,097 INFO L272 AbstractInterpreter]: Visited 127 different actions 499 times. Merged at 7 different actions 26 times. Never widened. Performed 8126 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8126 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-12 18:41:04,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:04,133 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:41:04,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:04,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:41:04,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:04,146 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:41:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:04,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:41:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-12 18:41:04,446 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:41:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-12 18:41:04,591 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:41:04,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-12 18:41:04,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:41:04,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:41:04,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:41:04,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-12 18:41:04,593 INFO L87 Difference]: Start difference. First operand 19070 states and 24930 transitions. Second operand 3 states. [2018-11-12 18:41:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:41:05,915 INFO L93 Difference]: Finished difference Result 37695 states and 50757 transitions. [2018-11-12 18:41:05,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:41:05,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2018-11-12 18:41:05,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:41:05,977 INFO L225 Difference]: With dead ends: 37695 [2018-11-12 18:41:05,977 INFO L226 Difference]: Without dead ends: 20626 [2018-11-12 18:41:06,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 666 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-12 18:41:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20626 states. [2018-11-12 18:41:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20626 to 20336. [2018-11-12 18:41:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20336 states. [2018-11-12 18:41:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20336 states to 20336 states and 26325 transitions. [2018-11-12 18:41:06,457 INFO L78 Accepts]: Start accepts. Automaton has 20336 states and 26325 transitions. Word has length 333 [2018-11-12 18:41:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:41:06,458 INFO L480 AbstractCegarLoop]: Abstraction has 20336 states and 26325 transitions. [2018-11-12 18:41:06,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:41:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20336 states and 26325 transitions. [2018-11-12 18:41:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-12 18:41:06,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:41:06,522 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:41:06,523 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:41:06,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:06,523 INFO L82 PathProgramCache]: Analyzing trace with hash 258533584, now seen corresponding path program 1 times [2018-11-12 18:41:06,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:41:06,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:06,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:06,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:06,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:41:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 318 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-12 18:41:07,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:07,096 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:41:07,096 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 374 with the following transitions: [2018-11-12 18:41:07,096 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [738], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:41:07,099 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:41:07,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:41:07,200 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:41:08,347 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:41:08,348 INFO L272 AbstractInterpreter]: Visited 134 different actions 657 times. Merged at 7 different actions 33 times. Widened at 1 different actions 1 times. Performed 9376 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9376 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 5 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-12 18:41:08,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:08,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:41:08,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:08,353 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:41:08,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:08,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:41:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:08,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:41:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 323 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-12 18:41:08,800 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:41:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 323 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-12 18:41:09,562 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:41:09,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-12 18:41:09,563 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:41:09,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 18:41:09,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 18:41:09,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:41:09,564 INFO L87 Difference]: Start difference. First operand 20336 states and 26325 transitions. Second operand 7 states. [2018-11-12 18:41:11,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:41:11,480 INFO L93 Difference]: Finished difference Result 38003 states and 50394 transitions. [2018-11-12 18:41:11,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:41:11,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2018-11-12 18:41:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:41:11,557 INFO L225 Difference]: With dead ends: 38003 [2018-11-12 18:41:11,557 INFO L226 Difference]: Without dead ends: 18564 [2018-11-12 18:41:11,608 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 757 GetRequests, 746 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:41:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18564 states. [2018-11-12 18:41:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18564 to 18394. [2018-11-12 18:41:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18394 states. [2018-11-12 18:41:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18394 states to 18394 states and 23186 transitions. [2018-11-12 18:41:12,021 INFO L78 Accepts]: Start accepts. Automaton has 18394 states and 23186 transitions. Word has length 373 [2018-11-12 18:41:12,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:41:12,023 INFO L480 AbstractCegarLoop]: Abstraction has 18394 states and 23186 transitions. [2018-11-12 18:41:12,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-12 18:41:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 18394 states and 23186 transitions. [2018-11-12 18:41:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-11-12 18:41:12,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:41:12,084 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:41:12,084 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:41:12,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:12,084 INFO L82 PathProgramCache]: Analyzing trace with hash 128458278, now seen corresponding path program 1 times [2018-11-12 18:41:12,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:41:12,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:12,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:12,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:41:12,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:41:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-12 18:41:12,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:12,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:41:12,875 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 436 with the following transitions: [2018-11-12 18:41:12,876 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [857], [861], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-12 18:41:12,878 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:41:12,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:41:12,974 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:41:13,924 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:41:13,925 INFO L272 AbstractInterpreter]: Visited 158 different actions 460 times. Merged at 5 different actions 9 times. Never widened. Performed 7172 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7172 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-12 18:41:13,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:41:13,932 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:41:13,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:41:13,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:41:13,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:41:13,941 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:41:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:41:14,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:41:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-12 18:41:14,162 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:41:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-12 18:41:14,325 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:41:14,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-12 18:41:14,325 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:41:14,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:41:14,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:41:14,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:41:14,326 INFO L87 Difference]: Start difference. First operand 18394 states and 23186 transitions. Second operand 3 states. [2018-11-12 18:41:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:41:15,557 INFO L93 Difference]: Finished difference Result 38108 states and 49591 transitions. [2018-11-12 18:41:15,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:41:15,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2018-11-12 18:41:15,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:41:15,558 INFO L225 Difference]: With dead ends: 38108 [2018-11-12 18:41:15,559 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 18:41:15,622 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:41:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 18:41:15,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 18:41:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 18:41:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 18:41:15,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 435 [2018-11-12 18:41:15,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:41:15,624 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 18:41:15,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:41:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 18:41:15,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 18:41:15,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 18:41:15,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:15,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:15,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,570 WARN L179 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 186 [2018-11-12 18:41:16,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:16,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:41:17,233 WARN L179 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 190 [2018-11-12 18:41:17,683 WARN L179 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 18 [2018-11-12 18:41:18,547 WARN L179 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-11-12 18:41:20,192 WARN L179 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 331 DAG size of output: 58 [2018-11-12 18:41:21,120 WARN L179 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 50 [2018-11-12 18:41:22,422 WARN L179 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 215 DAG size of output: 50 [2018-11-12 18:41:22,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:41:22,425 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= |old(~a25~0)| ~a25~0) (= |old(~a4~0)| ~a4~0)) [2018-11-12 18:41:22,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:41:22,425 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-12 18:41:22,425 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-12 18:41:22,425 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,426 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,427 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,428 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-12 18:41:22,429 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,430 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,431 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-12 18:41:22,432 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,433 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-12 18:41:22,434 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-12 18:41:22,435 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-12 18:41:22,436 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,437 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,437 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,437 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,437 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse5 (<= ~a23~0 |old(~a23~0)|)) (.cse6 (= ~a29~0 |old(~a29~0)|)) (.cse7 (= |old(~a25~0)| ~a25~0))) (let ((.cse4 (< 130 |old(~a29~0)|)) (.cse9 (<= |old(~a23~0)| 138)) (.cse2 (and .cse5 .cse6 .cse7 (= |old(~a4~0)| ~a4~0))) (.cse8 (< 0 |old(~a4~0)|)) (.cse10 (= 12 |old(~a25~0)|)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse3 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (< 0 (+ |old(~a23~0)| 43)) .cse3 (and .cse5 .cse6 (= ~a4~0 1) .cse7)) (or (< 312 |old(~a23~0)|) .cse0 .cse1 .cse2 .cse8) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or (< 138 ~a23~0) .cse0 .cse1 .cse9 .cse3) (or .cse0 .cse1 .cse9 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse10 .cse3) (or .cse0 .cse1 .cse2 .cse8 (not .cse10)) (or .cse0 .cse1 (< |old(~a23~0)| 312) .cse3 (<= 312 ~a23~0))))) [2018-11-12 18:41:22,437 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,438 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,439 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,440 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,441 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,442 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,443 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,444 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,445 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,446 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-12 18:41:22,447 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-12 18:41:22,448 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,449 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,450 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,451 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-12 18:41:22,452 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-12 18:41:22,453 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-12 18:41:22,454 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,455 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,455 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-12 18:41:22,455 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:41:22,455 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a29~0 130) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-12 18:41:22,455 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 18:41:22,455 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:41:22,455 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (= ~a29~0 |old(~a29~0)|) (= ~a25~0 10) (= |old(~a4~0)| ~a4~0) (= ~a23~0 312)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-12 18:41:22,456 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-12 18:41:22,456 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 12 ~a25~0)) (.cse2 (<= ~a29~0 130)) (.cse3 (= 1 ~a4~0)) (.cse1 (<= ~a4~0 0))) (or (not (= 10 |old(~a25~0)|)) (and .cse0 .cse1) (not (= 130 |old(~a29~0)|)) (and (= ~a4~0 1) (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (and .cse1 .cse2) (not (= 312 |old(~a23~0)|)) (and (not .cse0) .cse3) (and .cse2 .cse3) (and (<= ~a23~0 312) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and (< 138 ~a23~0) (= |old(~a4~0)| ~a4~0)))) [2018-11-12 18:41:22,456 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-12 18:41:22,456 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-12 18:41:22,456 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-12 18:41:22,456 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 12 ~a25~0)) (.cse2 (<= ~a29~0 130)) (.cse3 (= 1 ~a4~0)) (.cse1 (<= ~a4~0 0))) (or (not (= 10 |old(~a25~0)|)) (and .cse0 .cse1) (not (= 130 |old(~a29~0)|)) (and (= ~a4~0 1) (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (and .cse1 .cse2) (not (= 312 |old(~a23~0)|)) (and (not .cse0) .cse3) (and .cse2 .cse3) (and (<= ~a23~0 312) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and (< 138 ~a23~0) (= |old(~a4~0)| ~a4~0)))) [2018-11-12 18:41:22,456 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-12 18:41:22,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:41:22 BoogieIcfgContainer [2018-11-12 18:41:22,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:41:22,470 INFO L168 Benchmark]: Toolchain (without parser) took 125176.15 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 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-12 18:41:22,471 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:41:22,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:41:22,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2018-11-12 18:41:22,473 INFO L168 Benchmark]: Boogie Preprocessor took 140.44 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. [2018-11-12 18:41:22,474 INFO L168 Benchmark]: RCFGBuilder took 5092.01 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: 170.0 MB). Peak memory consumption was 170.0 MB. Max. memory is 7.1 GB. [2018-11-12 18:41:22,474 INFO L168 Benchmark]: TraceAbstraction took 118677.07 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 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-12 18:41:22,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1093.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 167.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.44 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 5092.01 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: 170.0 MB). Peak memory consumption was 170.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 118677.07 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 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 126]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((!(10 == \old(a25)) || (12 == a25 && a4 <= 0)) || !(130 == \old(a29))) || (a4 == 1 && a23 + 43 <= 0)) || !(1 == a3)) || (a4 <= 0 && a29 <= 130)) || !(312 == \old(a23))) || (!(12 == a25) && 1 == a4)) || (a29 <= 130 && 1 == a4)) || (a23 <= 312 && a4 <= 0)) || !(15 == a8)) || !(1 == \old(a4))) || (138 < a23 && \old(a4) == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 118.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 88.9s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2852 SDtfs, 20326 SDslu, 2688 SDs, 0 SdLazy, 27536 SolverSat, 10280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3972 GetRequests, 3747 SyntacticMatches, 10 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9439 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20336occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.6s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9974934721614038 AbsIntWeakeningRatio, 0.11764705882352941 AbsIntAvgWeakeningVarsNumRemoved, 22.537001897533205 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 2507 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 457 PreInvPairs, 633 NumberOfFragments, 477 HoareAnnotationTreeSize, 457 FomulaSimplifications, 23010 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18485 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 4039 NumberOfCodeBlocks, 4039 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5623 ConstructedInterpolants, 0 QuantifiedInterpolants, 5726747 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2732 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 4680/5002 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...