java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:06:29,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:06:29,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:06:29,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:06:29,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:06:29,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:06:29,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:06:29,433 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:06:29,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:06:29,435 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:06:29,436 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:06:29,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:06:29,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:06:29,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:06:29,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:06:29,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:06:29,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:06:29,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:06:29,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:06:29,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:06:29,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:06:29,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:06:29,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 07:06:29,483 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:06:29,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:06:29,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:06:29,514 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:06:29,515 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:06:29,515 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:06:29,515 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:06:29,515 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:06:29,515 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:06:29,516 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:06:29,516 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:06:29,517 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:06:29,517 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:06:29,517 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:06:29,517 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:06:29,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:06:29,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:06:29,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:06:29,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:06:29,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:06:29,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:06:29,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:06:29,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:06:29,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:06:29,520 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:06:29,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:06:29,520 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:06:29,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:06:29,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:06:29,521 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:06:29,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:06:29,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:06:29,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:06:29,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:06:29,524 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:06:29,524 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:06:29,524 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:06:29,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:06:29,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:06:29,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:06:29,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:06:29,601 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:06:29,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-07 07:06:29,670 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34660995/8eeb37fbb152400eb54eee4868884323/FLAG1a4deae48 [2018-11-07 07:06:30,297 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:06:30,300 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-07 07:06:30,315 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34660995/8eeb37fbb152400eb54eee4868884323/FLAG1a4deae48 [2018-11-07 07:06:30,329 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34660995/8eeb37fbb152400eb54eee4868884323 [2018-11-07 07:06:30,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:06:30,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:06:30,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:30,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:06:30,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:06:30,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:30" (1/1) ... [2018-11-07 07:06:30,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:30, skipping insertion in model container [2018-11-07 07:06:30,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:30" (1/1) ... [2018-11-07 07:06:30,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:06:30,425 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:06:30,937 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:30,942 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:06:31,060 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:31,083 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:06:31,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31 WrapperNode [2018-11-07 07:06:31,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:31,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:31,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:06:31,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:06:31,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:31,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:06:31,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:06:31,224 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:06:31,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... [2018-11-07 07:06:31,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:06:31,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:06:31,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:06:31,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:06:31,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:06:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:06:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:06:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:06:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:06:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:06:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:06:34,450 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:06:34,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:06:34 BoogieIcfgContainer [2018-11-07 07:06:34,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:06:34,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:06:34,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:06:34,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:06:34,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:06:30" (1/3) ... [2018-11-07 07:06:34,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accdda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:06:34, skipping insertion in model container [2018-11-07 07:06:34,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:31" (2/3) ... [2018-11-07 07:06:34,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accdda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:06:34, skipping insertion in model container [2018-11-07 07:06:34,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:06:34" (3/3) ... [2018-11-07 07:06:34,462 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-11-07 07:06:34,473 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:06:34,485 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:06:34,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:06:34,550 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:06:34,551 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:06:34,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:06:34,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:06:34,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:06:34,552 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:06:34,552 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:06:34,552 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:06:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:06:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 07:06:34,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:34,598 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:34,601 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:34,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:34,607 INFO L82 PathProgramCache]: Analyzing trace with hash -197406427, now seen corresponding path program 1 times [2018-11-07 07:06:34,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:34,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:34,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:34,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:34,661 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:35,189 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:06:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:35,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:35,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:06:35,347 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:35,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:06:35,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:06:35,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:35,377 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:06:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:36,987 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:06:36,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:06:36,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-07 07:06:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:37,016 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:06:37,016 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:06:37,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:06:37,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:06:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:06:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-07 07:06:37,111 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 133 [2018-11-07 07:06:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:37,112 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-07 07:06:37,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:06:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-07 07:06:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 07:06:37,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:37,126 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:37,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:37,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:37,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1386763570, now seen corresponding path program 1 times [2018-11-07 07:06:37,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:37,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:37,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:37,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:37,129 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:37,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:37,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:06:37,356 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:37,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:06:37,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:06:37,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:06:37,359 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-07 07:06:39,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:39,157 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-07 07:06:39,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:06:39,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-11-07 07:06:39,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:39,169 INFO L225 Difference]: With dead ends: 1079 [2018-11-07 07:06:39,169 INFO L226 Difference]: Without dead ends: 745 [2018-11-07 07:06:39,173 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 07:06:39,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-07 07:06:39,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-07 07:06:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-07 07:06:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-07 07:06:39,230 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 143 [2018-11-07 07:06:39,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:39,231 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-07 07:06:39,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:06:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-07 07:06:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 07:06:39,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:39,239 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:39,239 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:39,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:39,240 INFO L82 PathProgramCache]: Analyzing trace with hash 130268386, now seen corresponding path program 1 times [2018-11-07 07:06:39,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:39,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:39,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:39,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:39,242 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:39,595 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:06:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 07:06:39,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:39,693 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:39,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-07 07:06:39,697 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:39,751 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:39,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:40,436 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:06:40,440 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-11-07 07:06:40,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:40,495 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:06:40,971 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-07 07:06:40,971 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:06:41,238 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-07 07:06:41,238 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:06:41,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:06:41,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-07 07:06:41,239 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:41,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:06:41,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:06:41,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:06:41,241 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-11-07 07:06:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:46,978 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-11-07 07:06:46,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:06:46,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-07 07:06:46,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:46,987 INFO L225 Difference]: With dead ends: 1598 [2018-11-07 07:06:46,988 INFO L226 Difference]: Without dead ends: 871 [2018-11-07 07:06:46,991 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:06:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-07 07:06:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-11-07 07:06:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-07 07:06:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-11-07 07:06:47,051 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 153 [2018-11-07 07:06:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:47,052 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-11-07 07:06:47,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:06:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-11-07 07:06:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 07:06:47,059 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:47,060 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:47,060 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:47,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:47,060 INFO L82 PathProgramCache]: Analyzing trace with hash -2100798917, now seen corresponding path program 1 times [2018-11-07 07:06:47,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:47,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:47,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:47,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:47,062 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:47,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:47,514 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:47,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-07 07:06:47,515 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:47,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:47,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:47,776 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:06:47,776 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:06:47,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:47,817 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:06:48,109 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 82.16% of their original sizes. [2018-11-07 07:06:48,110 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:06:48,800 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-07 07:06:48,800 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:06:48,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:06:48,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:06:48,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:48,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:06:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:06:48,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:06:48,802 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 10 states. [2018-11-07 07:06:57,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:57,121 INFO L93 Difference]: Finished difference Result 2801 states and 4437 transitions. [2018-11-07 07:06:57,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:06:57,121 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-11-07 07:06:57,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:57,132 INFO L225 Difference]: With dead ends: 2801 [2018-11-07 07:06:57,133 INFO L226 Difference]: Without dead ends: 2074 [2018-11-07 07:06:57,138 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:06:57,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-11-07 07:06:57,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2043. [2018-11-07 07:06:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2043 states. [2018-11-07 07:06:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2623 transitions. [2018-11-07 07:06:57,201 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2623 transitions. Word has length 155 [2018-11-07 07:06:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:57,202 INFO L480 AbstractCegarLoop]: Abstraction has 2043 states and 2623 transitions. [2018-11-07 07:06:57,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:06:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2623 transitions. [2018-11-07 07:06:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 07:06:57,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:57,209 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:57,210 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:57,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:57,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1272000863, now seen corresponding path program 1 times [2018-11-07 07:06:57,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:57,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:57,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:57,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:57,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:57,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:57,538 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:57,538 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-07 07:06:57,538 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:57,543 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:57,543 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:57,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:06:57,765 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:06:57,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:57,773 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:06:57,972 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 82.13% of their original sizes. [2018-11-07 07:06:57,972 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:06:58,160 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-07 07:06:58,160 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:06:58,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:06:58,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-07 07:06:58,161 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:58,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:06:58,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:06:58,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:06:58,162 INFO L87 Difference]: Start difference. First operand 2043 states and 2623 transitions. Second operand 10 states. [2018-11-07 07:07:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:04,052 INFO L93 Difference]: Finished difference Result 4085 states and 5313 transitions. [2018-11-07 07:07:04,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:07:04,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-11-07 07:07:04,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:04,064 INFO L225 Difference]: With dead ends: 4085 [2018-11-07 07:07:04,064 INFO L226 Difference]: Without dead ends: 2184 [2018-11-07 07:07:04,071 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:07:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2018-11-07 07:07:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2181. [2018-11-07 07:07:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2018-11-07 07:07:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2777 transitions. [2018-11-07 07:07:04,129 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2777 transitions. Word has length 162 [2018-11-07 07:07:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:04,129 INFO L480 AbstractCegarLoop]: Abstraction has 2181 states and 2777 transitions. [2018-11-07 07:07:04,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:07:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2777 transitions. [2018-11-07 07:07:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 07:07:04,137 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:04,137 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:04,137 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:04,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:04,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1641310418, now seen corresponding path program 1 times [2018-11-07 07:07:04,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:04,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:04,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:04,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:04,139 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-07 07:07:04,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:04,315 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:04,315 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-07 07:07:04,315 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:07:04,318 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:04,318 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:04,690 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:04,690 INFO L272 AbstractInterpreter]: Visited 139 different actions 551 times. Merged at 8 different actions 31 times. Never widened. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:07:04,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:04,699 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:04,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:04,699 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:07:04,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:04,710 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:04,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-07 07:07:05,162 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-07 07:07:06,040 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:07:06,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 07:07:06,041 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:07:06,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 07:07:06,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 07:07:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:07:06,043 INFO L87 Difference]: Start difference. First operand 2181 states and 2777 transitions. Second operand 8 states. [2018-11-07 07:07:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:11,266 INFO L93 Difference]: Finished difference Result 7194 states and 9811 transitions. [2018-11-07 07:07:11,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 07:07:11,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2018-11-07 07:07:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:11,285 INFO L225 Difference]: With dead ends: 7194 [2018-11-07 07:07:11,286 INFO L226 Difference]: Without dead ends: 2993 [2018-11-07 07:07:11,311 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 07:07:11,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2018-11-07 07:07:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2936. [2018-11-07 07:07:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2936 states. [2018-11-07 07:07:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 3485 transitions. [2018-11-07 07:07:11,397 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 3485 transitions. Word has length 174 [2018-11-07 07:07:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:11,398 INFO L480 AbstractCegarLoop]: Abstraction has 2936 states and 3485 transitions. [2018-11-07 07:07:11,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 07:07:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3485 transitions. [2018-11-07 07:07:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 07:07:11,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:11,408 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:11,408 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:11,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:11,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1741067028, now seen corresponding path program 1 times [2018-11-07 07:07:11,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:11,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:11,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:11,410 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:07:11,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:11,900 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:11,900 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 07:07:11,900 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:07:11,903 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:11,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:12,198 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:12,198 INFO L272 AbstractInterpreter]: Visited 138 different actions 270 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:07:12,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:12,236 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:12,521 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 82.01% of their original sizes. [2018-11-07 07:07:12,521 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:13,052 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-07 07:07:13,052 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:13,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:13,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:07:13,053 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:13,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:07:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:07:13,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:13,054 INFO L87 Difference]: Start difference. First operand 2936 states and 3485 transitions. Second operand 10 states. [2018-11-07 07:07:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:18,817 INFO L93 Difference]: Finished difference Result 6053 states and 7217 transitions. [2018-11-07 07:07:18,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:07:18,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-07 07:07:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:18,834 INFO L225 Difference]: With dead ends: 6053 [2018-11-07 07:07:18,834 INFO L226 Difference]: Without dead ends: 3397 [2018-11-07 07:07:18,844 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 07:07:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-11-07 07:07:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3394. [2018-11-07 07:07:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2018-11-07 07:07:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3972 transitions. [2018-11-07 07:07:18,923 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3972 transitions. Word has length 201 [2018-11-07 07:07:18,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:18,923 INFO L480 AbstractCegarLoop]: Abstraction has 3394 states and 3972 transitions. [2018-11-07 07:07:18,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:07:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3972 transitions. [2018-11-07 07:07:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-07 07:07:18,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:18,934 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:18,934 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:18,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:18,935 INFO L82 PathProgramCache]: Analyzing trace with hash -834727063, now seen corresponding path program 1 times [2018-11-07 07:07:18,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:18,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:18,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:18,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:18,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-07 07:07:19,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:19,155 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:19,155 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-07 07:07:19,155 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:07:19,158 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:19,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:19,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:19,548 INFO L272 AbstractInterpreter]: Visited 140 different actions 558 times. Merged at 9 different actions 34 times. Never widened. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:07:19,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:19,557 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:19,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:19,557 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:07:19,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:19,569 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:19,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 07:07:19,989 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 07:07:20,172 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:07:20,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 07:07:20,173 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:07:20,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:07:20,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:07:20,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 07:07:20,174 INFO L87 Difference]: Start difference. First operand 3394 states and 3972 transitions. Second operand 11 states. [2018-11-07 07:07:23,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:23,311 INFO L93 Difference]: Finished difference Result 11090 states and 13890 transitions. [2018-11-07 07:07:23,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 07:07:23,312 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2018-11-07 07:07:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:23,353 INFO L225 Difference]: With dead ends: 11090 [2018-11-07 07:07:23,353 INFO L226 Difference]: Without dead ends: 8296 [2018-11-07 07:07:23,374 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 423 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:07:23,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8296 states. [2018-11-07 07:07:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8296 to 8266. [2018-11-07 07:07:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8266 states. [2018-11-07 07:07:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8266 states to 8266 states and 9937 transitions. [2018-11-07 07:07:23,697 INFO L78 Accepts]: Start accepts. Automaton has 8266 states and 9937 transitions. Word has length 210 [2018-11-07 07:07:23,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:23,697 INFO L480 AbstractCegarLoop]: Abstraction has 8266 states and 9937 transitions. [2018-11-07 07:07:23,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:07:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 8266 states and 9937 transitions. [2018-11-07 07:07:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-07 07:07:23,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:23,727 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 07:07:23,727 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:23,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1260821300, now seen corresponding path program 1 times [2018-11-07 07:07:23,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:23,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:23,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:23,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:23,729 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 98 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-07 07:07:24,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:24,283 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:24,283 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-07 07:07:24,283 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:07:24,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:24,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:24,676 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:24,676 INFO L272 AbstractInterpreter]: Visited 141 different actions 565 times. Merged at 10 different actions 37 times. Never widened. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-07 07:07:24,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:24,684 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:24,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:24,684 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 07:07:24,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:24,694 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:24,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-07 07:07:24,900 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 104 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-07 07:07:25,242 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:07:25,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 07:07:25,242 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:07:25,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 07:07:25,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 07:07:25,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:07:25,244 INFO L87 Difference]: Start difference. First operand 8266 states and 9937 transitions. Second operand 12 states. [2018-11-07 07:07:31,433 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-07 07:07:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:31,768 INFO L93 Difference]: Finished difference Result 25523 states and 33068 transitions. [2018-11-07 07:07:31,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-07 07:07:31,769 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2018-11-07 07:07:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:31,863 INFO L225 Difference]: With dead ends: 25523 [2018-11-07 07:07:31,863 INFO L226 Difference]: Without dead ends: 17178 [2018-11-07 07:07:31,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-11-07 07:07:31,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17178 states. [2018-11-07 07:07:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17178 to 16561. [2018-11-07 07:07:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16561 states. [2018-11-07 07:07:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16561 states to 16561 states and 20493 transitions. [2018-11-07 07:07:32,604 INFO L78 Accepts]: Start accepts. Automaton has 16561 states and 20493 transitions. Word has length 230 [2018-11-07 07:07:32,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:32,604 INFO L480 AbstractCegarLoop]: Abstraction has 16561 states and 20493 transitions. [2018-11-07 07:07:32,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 07:07:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16561 states and 20493 transitions. [2018-11-07 07:07:32,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-07 07:07:32,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:32,669 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 07:07:32,670 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:32,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -824510028, now seen corresponding path program 1 times [2018-11-07 07:07:32,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:32,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:32,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:33,310 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 07:07:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 125 proven. 53 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-07 07:07:33,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:33,520 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:33,520 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-11-07 07:07:33,520 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:07:33,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:33,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:34,052 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:07:34,052 INFO L272 AbstractInterpreter]: Visited 141 different actions 699 times. Merged at 10 different actions 42 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-07 07:07:34,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:34,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:07:34,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:34,058 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 07:07:34,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:34,069 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:07:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:34,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:07:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-07 07:07:34,327 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:07:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-07 07:07:34,518 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:34,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 07:07:34,518 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:34,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:07:34,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:07:34,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:34,519 INFO L87 Difference]: Start difference. First operand 16561 states and 20493 transitions. Second operand 3 states. [2018-11-07 07:07:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:35,388 INFO L93 Difference]: Finished difference Result 28292 states and 34932 transitions. [2018-11-07 07:07:35,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:07:35,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2018-11-07 07:07:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:35,391 INFO L225 Difference]: With dead ends: 28292 [2018-11-07 07:07:35,391 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:07:35,461 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 478 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:07:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:07:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:07:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:07:35,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-11-07 07:07:35,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:35,463 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:07:35,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:07:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:07:35,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:07:35,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:07:35,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:35,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,295 WARN L179 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 118 [2018-11-07 07:07:36,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:07:36,698 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 91 [2018-11-07 07:07:37,155 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-11-07 07:07:37,363 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-11-07 07:07:42,293 WARN L179 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 334 DAG size of output: 113 [2018-11-07 07:07:42,947 WARN L179 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 68 [2018-11-07 07:07:43,712 WARN L179 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2018-11-07 07:07:43,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:43,715 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-11-07 07:07:43,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:43,715 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:07:43,715 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:07:43,716 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:07:43,717 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,718 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:07:43,719 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,720 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:07:43,721 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,722 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:07:43,723 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,724 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:07:43,725 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,726 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:07:43,727 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,728 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:07:43,729 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:07:43,730 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:07:43,731 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse31 (= ~a16~0 6)) (.cse25 (= 1 |old(~a20~0)|)) (.cse1 (= 1 |old(~a17~0)|)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= 1 ~a7~0)) (.cse22 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= ~a17~0 |old(~a17~0)|))) (let ((.cse14 (and .cse27 .cse22 .cse23 .cse24)) (.cse7 (< 0 |old(~a17~0)|)) (.cse0 (and .cse21 .cse22 .cse23 .cse24)) (.cse28 (= ~a17~0 1)) (.cse16 (not (= 1 |old(~a7~0)|))) (.cse2 (< |old(~a8~0)| 15)) (.cse11 (not (= ~a16~0 0))) (.cse29 (= ~a20~0 1)) (.cse13 (= 0 |old(~a16~0)|)) (.cse30 (= 0 |old(~a8~0)|)) (.cse26 (and .cse23 .cse24)) (.cse19 (= ~a16~0 5)) (.cse18 (not .cse1)) (.cse17 (not (= 5 |old(~a16~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse12 (= ~a21~0 1)) (.cse4 (not (= 0 |old(~a7~0)|))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse9 (not .cse25)) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse3 (= 6 |old(~a16~0)|)) (.cse15 (< 13 |old(~a8~0)|)) (.cse20 (not .cse31))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) .cse13) (or .cse14 .cse15 (< |old(~a20~0)| 1) .cse16 .cse7) (or .cse8 (or .cse4 .cse5 .cse10 (not (= 0 |old(~a20~0)|)) .cse17 .cse6 .cse18) (and .cse12 .cse19)) (or .cse14 (not (= |old(~a20~0)| 1)) .cse16 .cse7) (or (= ~a16~0 4) (or .cse5 .cse9 (not (= 4 |old(~a16~0)|)) (not (= 13 |old(~a8~0)|))) .cse6 .cse16 .cse8 .cse18) (or .cse0 .cse2 (< 0 |old(~a20~0)|)) (or .cse3 .cse20 .cse16 .cse2) (or .cse3 (and .cse21 .cse22 .cse23 .cse24 .cse20) .cse7) (or .cse3 .cse25 .cse2 .cse0) (or .cse3 .cse20 .cse25 .cse2) (or .cse3 .cse15 .cse26 .cse16) (or .cse5 .cse9 .cse13 .cse6 (and .cse11 .cse27 .cse22 .cse28 .cse12 .cse29) .cse16 .cse8 .cse30 .cse18) (or .cse5 .cse15 .cse9 .cse13 .cse6 (and .cse21 .cse11 .cse22 .cse28 .cse12 .cse29) .cse8 .cse30 .cse18) (or .cse16 (and .cse27 .cse22) .cse2) (or .cse3 .cse5 .cse9 (and .cse11 .cse12 .cse21 .cse22 .cse24 .cse20 .cse29) .cse13 .cse6 .cse8 .cse30 .cse18) (or .cse26 .cse3 .cse15 .cse1 .cse25) (or .cse4 .cse5 .cse6 .cse19 .cse8 .cse18 .cse9 .cse10 .cse17) (or .cse8 (and .cse12 .cse31) (or (not .cse3) .cse4 .cse5 .cse9 .cse10 (not (= 0 |old(~a17~0)|)) .cse6)) (or .cse3 .cse15 (and .cse21 .cse22 .cse20))))) [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,732 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:07:43,733 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,734 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:07:43,735 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,736 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:07:43,737 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:43,738 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 07:07:43,738 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:07:43,738 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:43,738 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:07:43,738 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:07:43,738 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a17~0 1)) (.cse11 (= ~a20~0 1))) (let ((.cse0 (not .cse11)) (.cse1 (<= 15 ~a8~0)) (.cse4 (not .cse9)) (.cse5 (= 1 ~a7~0)) (.cse12 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= main_~input~0 0))) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1)) (.cse2 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (and .cse3 .cse0 .cse2 .cse4) (and (<= ~a8~0 |old(~a8~0)|) .cse5 .cse1) (and .cse3 .cse5 .cse2) (not (= 8 ~a12~0)) (and .cse1 (<= ~a20~0 0)) (and .cse1 .cse4) (and .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse12) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse6 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse5 (= |old(~a20~0)| ~a20~0) .cse12) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse5 .cse12 (<= 1 ~a20~0)) (and .cse3 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse11)))) [2018-11-07 07:07:43,739 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:07:43,739 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:07:43,739 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:07:43,739 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse11 (= ~a20~0 1)) (.cse9 (= ~a17~0 1))) (let ((.cse3 (not .cse9)) (.cse1 (not .cse11)) (.cse4 (<= 15 ~a8~0)) (.cse2 (not (= ~a16~0 6))) (.cse0 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse7 (not (= ~a16~0 0))) (.cse6 (= 1 ~a7~0)) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 (<= ~a20~0 0)) (and .cse4 .cse3) (and .cse2 .cse5) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse6 .cse5 (<= 1 ~a20~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse1 .cse4 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse6 .cse4) (and .cse0 .cse6 .cse2) (and .cse7 .cse8 .cse9 .cse10 .cse2 .cse11) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse6 (= |old(~a20~0)| ~a20~0) .cse5) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse6 .cse8 .cse9 .cse10 .cse11) (not (= 15 |old(~a8~0)|))))) [2018-11-07 07:07:43,739 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:07:43,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:07:43 BoogieIcfgContainer [2018-11-07 07:07:43,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:07:43,756 INFO L168 Benchmark]: Toolchain (without parser) took 73413.71 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,757 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:07:43,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,762 INFO L168 Benchmark]: Boogie Preprocessor took 115.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,763 INFO L168 Benchmark]: RCFGBuilder took 3111.82 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,764 INFO L168 Benchmark]: TraceAbstraction took 69301.88 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -941.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:43,769 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 138.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3111.82 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69301.88 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -941.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == \old(a21)) || (((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1))) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 69.2s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 45.3s AutomataDifference, 0.0s DeadEndRemovalTime, 8.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1412 SDtfs, 11189 SDslu, 2233 SDs, 0 SdLazy, 14509 SolverSat, 2985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2574 GetRequests, 2401 SyntacticMatches, 8 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16561occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9976170164606125 AbsIntWeakeningRatio, 0.2098950524737631 AbsIntAvgWeakeningVarsNumRemoved, 29.33583208395802 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 755 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 471 PreInvPairs, 909 NumberOfFragments, 1095 HoareAnnotationTreeSize, 471 FomulaSimplifications, 22753 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8085 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2653 NumberOfCodeBlocks, 2653 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372525 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2466 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 1750/1974 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...