java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:08:21,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:08:21,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:08:21,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:08:21,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:08:21,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:08:21,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:08:21,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:08:21,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:08:21,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:08:21,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:08:21,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:08:21,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:08:21,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:08:21,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:08:21,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:08:21,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:08:21,431 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:08:21,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:08:21,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:08:21,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:08:21,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:08:21,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:08:21,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:08:21,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:08:21,442 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:08:21,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:08:21,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:08:21,444 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:08:21,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:08:21,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:08:21,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:08:21,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:08:21,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:08:21,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:08:21,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:08:21,448 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 06:08:21,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:08:21,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:08:21,474 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:08:21,474 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:08:21,475 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:08:21,475 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:08:21,475 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:08:21,475 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:08:21,476 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:08:21,477 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:08:21,477 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:08:21,477 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:08:21,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:08:21,478 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:08:21,478 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:08:21,478 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:08:21,478 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:08:21,479 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:08:21,479 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:08:21,479 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:08:21,479 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:08:21,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:08:21,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:08:21,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:08:21,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:08:21,480 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:08:21,480 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:08:21,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:08:21,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:08:21,482 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:08:21,482 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:08:21,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:08:21,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:08:21,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:08:21,553 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:08:21,553 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:08:21,554 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-10-27 06:08:21,617 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/63216b9ff/29e335f1612145709f008584d36ae145/FLAG89c9b9291 [2018-10-27 06:08:22,155 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:08:22,156 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-10-27 06:08:22,173 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/63216b9ff/29e335f1612145709f008584d36ae145/FLAG89c9b9291 [2018-10-27 06:08:22,186 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/63216b9ff/29e335f1612145709f008584d36ae145 [2018-10-27 06:08:22,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:08:22,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:08:22,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:22,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:08:22,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:08:22,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:22,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c237445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22, skipping insertion in model container [2018-10-27 06:08:22,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:22,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:08:22,291 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:08:22,727 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:22,732 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:08:22,902 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:22,921 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:08:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22 WrapperNode [2018-10-27 06:08:22,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:22,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:22,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:08:22,923 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:08:22,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:22,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:23,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:08:23,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:08:23,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:08:23,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... [2018-10-27 06:08:23,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:08:23,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:08:23,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:08:23,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:08:23,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 06:08:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:08:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:08:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:08:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:08:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:08:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:08:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:08:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:08:26,566 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:08:26,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:26 BoogieIcfgContainer [2018-10-27 06:08:26,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:08:26,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:08:26,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:08:26,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:08:26,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:08:22" (1/3) ... [2018-10-27 06:08:26,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6515e5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:08:26, skipping insertion in model container [2018-10-27 06:08:26,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:22" (2/3) ... [2018-10-27 06:08:26,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6515e5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:08:26, skipping insertion in model container [2018-10-27 06:08:26,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:26" (3/3) ... [2018-10-27 06:08:26,575 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-10-27 06:08:26,584 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:08:26,592 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:08:26,609 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:08:26,647 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:08:26,647 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:08:26,648 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:08:26,648 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:08:26,648 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:08:26,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:08:26,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:08:26,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:08:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 06:08:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 06:08:26,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:26,691 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] [2018-10-27 06:08:26,693 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:26,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:26,700 INFO L82 PathProgramCache]: Analyzing trace with hash -175459411, now seen corresponding path program 1 times [2018-10-27 06:08:26,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:26,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:26,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:26,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:26,752 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:27,288 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:08:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:27,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:08:27,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:08:27,444 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:08:27,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:08:27,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:08:27,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:08:27,469 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-27 06:08:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:29,025 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-27 06:08:29,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:08:29,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-10-27 06:08:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:08:29,047 INFO L225 Difference]: With dead ends: 550 [2018-10-27 06:08:29,047 INFO L226 Difference]: Without dead ends: 340 [2018-10-27 06:08:29,054 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:08:29,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-27 06:08:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-27 06:08:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 06:08:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-10-27 06:08:29,181 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 111 [2018-10-27 06:08:29,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:08:29,182 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-10-27 06:08:29,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:08:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-10-27 06:08:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 06:08:29,195 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:29,199 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:08:29,199 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:29,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:29,200 INFO L82 PathProgramCache]: Analyzing trace with hash -665844754, now seen corresponding path program 1 times [2018-10-27 06:08:29,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:29,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:29,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:29,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:29,202 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:29,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:08:29,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:08:29,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:08:29,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:08:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:08:29,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:08:29,472 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-10-27 06:08:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:31,517 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-10-27 06:08:31,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:08:31,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-10-27 06:08:31,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:08:31,530 INFO L225 Difference]: With dead ends: 1075 [2018-10-27 06:08:31,530 INFO L226 Difference]: Without dead ends: 741 [2018-10-27 06:08:31,537 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:08:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-27 06:08:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-27 06:08:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-27 06:08:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-10-27 06:08:31,588 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 122 [2018-10-27 06:08:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:08:31,588 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-10-27 06:08:31,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:08:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-10-27 06:08:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 06:08:31,595 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:31,595 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:08:31,596 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:31,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:31,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1859924383, now seen corresponding path program 1 times [2018-10-27 06:08:31,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:31,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:31,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:31,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:31,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:31,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:08:31,829 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:08:31,830 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-10-27 06:08:31,832 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:08:31,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:08:31,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:08:32,741 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:08:32,744 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:08:32,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:32,789 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:08:33,278 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.79% of their original sizes. [2018-10-27 06:08:33,279 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:08:33,678 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-10-27 06:08:33,679 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:08:33,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:08:33,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:08:33,680 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:08:33,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:08:33,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:08:33,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:08:33,681 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 10 states. [2018-10-27 06:08:44,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:44,420 INFO L93 Difference]: Finished difference Result 2755 states and 4453 transitions. [2018-10-27 06:08:44,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-27 06:08:44,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-10-27 06:08:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:08:44,432 INFO L225 Difference]: With dead ends: 2755 [2018-10-27 06:08:44,432 INFO L226 Difference]: Without dead ends: 2037 [2018-10-27 06:08:44,438 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:08:44,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2018-10-27 06:08:44,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2007. [2018-10-27 06:08:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2007 states. [2018-10-27 06:08:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2581 transitions. [2018-10-27 06:08:44,503 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2581 transitions. Word has length 147 [2018-10-27 06:08:44,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:08:44,504 INFO L481 AbstractCegarLoop]: Abstraction has 2007 states and 2581 transitions. [2018-10-27 06:08:44,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:08:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2581 transitions. [2018-10-27 06:08:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 06:08:44,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:44,511 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-27 06:08:44,511 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:44,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:44,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1160952988, now seen corresponding path program 1 times [2018-10-27 06:08:44,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:44,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:44,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:44,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:44,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 06:08:44,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:08:44,907 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:08:44,907 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-27 06:08:44,908 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:08:44,914 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:08:44,914 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:08:45,107 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:08:45,107 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:08:45,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:45,120 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:08:45,342 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 81.76% of their original sizes. [2018-10-27 06:08:45,342 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:08:45,585 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-10-27 06:08:45,585 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:08:45,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:08:45,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:08:45,586 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:08:45,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:08:45,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:08:45,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:08:45,587 INFO L87 Difference]: Start difference. First operand 2007 states and 2581 transitions. Second operand 10 states. [2018-10-27 06:08:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:51,791 INFO L93 Difference]: Finished difference Result 4013 states and 5229 transitions. [2018-10-27 06:08:51,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 06:08:51,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-10-27 06:08:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:08:51,801 INFO L225 Difference]: With dead ends: 4013 [2018-10-27 06:08:51,801 INFO L226 Difference]: Without dead ends: 2148 [2018-10-27 06:08:51,807 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 06:08:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-10-27 06:08:51,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2145. [2018-10-27 06:08:51,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2018-10-27 06:08:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2735 transitions. [2018-10-27 06:08:51,862 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2735 transitions. Word has length 160 [2018-10-27 06:08:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:08:51,862 INFO L481 AbstractCegarLoop]: Abstraction has 2145 states and 2735 transitions. [2018-10-27 06:08:51,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:08:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2735 transitions. [2018-10-27 06:08:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 06:08:51,869 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:51,869 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2018-10-27 06:08:51,870 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:51,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash -552748137, now seen corresponding path program 1 times [2018-10-27 06:08:51,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:51,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:51,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:51,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:51,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-27 06:08:51,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:08:51,991 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:08:51,991 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-10-27 06:08:51,992 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:08:51,996 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:08:51,996 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:08:52,254 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:08:52,254 INFO L272 AbstractInterpreter]: Visited 118 different actions 350 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:08:52,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:52,259 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:08:52,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:08:52,260 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 06:08:52,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:52,276 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:08:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:52,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:08:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 06:08:52,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:08:53,276 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 06:08:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-27 06:08:53,721 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:08:53,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-27 06:08:53,722 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:08:53,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 06:08:53,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 06:08:53,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:08:53,724 INFO L87 Difference]: Start difference. First operand 2145 states and 2735 transitions. Second operand 8 states. [2018-10-27 06:08:59,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:59,467 INFO L93 Difference]: Finished difference Result 7093 states and 9671 transitions. [2018-10-27 06:08:59,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 06:08:59,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2018-10-27 06:08:59,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:08:59,485 INFO L225 Difference]: With dead ends: 7093 [2018-10-27 06:08:59,486 INFO L226 Difference]: Without dead ends: 2992 [2018-10-27 06:08:59,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-27 06:08:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2018-10-27 06:08:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2951. [2018-10-27 06:08:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-10-27 06:08:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3486 transitions. [2018-10-27 06:08:59,609 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3486 transitions. Word has length 172 [2018-10-27 06:08:59,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:08:59,610 INFO L481 AbstractCegarLoop]: Abstraction has 2951 states and 3486 transitions. [2018-10-27 06:08:59,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 06:08:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3486 transitions. [2018-10-27 06:08:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 06:08:59,624 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:08:59,625 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:08:59,625 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:08:59,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:59,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1543535280, now seen corresponding path program 1 times [2018-10-27 06:08:59,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:08:59,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:59,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:59,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:59,627 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:08:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-27 06:08:59,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:08:59,875 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:08:59,875 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-27 06:08:59,876 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:08:59,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:08:59,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:09:00,249 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:09:00,250 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:09:00,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:00,289 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:09:00,662 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 81.73% of their original sizes. [2018-10-27 06:09:00,662 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:09:01,255 INFO L415 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-10-27 06:09:01,255 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:09:01,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:09:01,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-27 06:09:01,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:01,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:09:01,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:09:01,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:09:01,257 INFO L87 Difference]: Start difference. First operand 2951 states and 3486 transitions. Second operand 10 states. [2018-10-27 06:09:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:06,874 INFO L93 Difference]: Finished difference Result 6085 states and 7222 transitions. [2018-10-27 06:09:06,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:09:06,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-10-27 06:09:06,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:06,889 INFO L225 Difference]: With dead ends: 6085 [2018-10-27 06:09:06,889 INFO L226 Difference]: Without dead ends: 3414 [2018-10-27 06:09:06,897 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-27 06:09:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2018-10-27 06:09:06,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3411. [2018-10-27 06:09:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2018-10-27 06:09:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 3975 transitions. [2018-10-27 06:09:06,977 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 3975 transitions. Word has length 193 [2018-10-27 06:09:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:06,978 INFO L481 AbstractCegarLoop]: Abstraction has 3411 states and 3975 transitions. [2018-10-27 06:09:06,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:09:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3975 transitions. [2018-10-27 06:09:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-27 06:09:06,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:06,988 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:09:06,988 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:06,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1421736141, now seen corresponding path program 1 times [2018-10-27 06:09:06,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:06,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:06,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:06,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:06,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 06:09:07,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:07,609 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:09:07,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-10-27 06:09:07,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:09:07,612 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:09:07,613 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:09:08,179 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:09:08,179 INFO L272 AbstractInterpreter]: Visited 118 different actions 474 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:09:08,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:08,187 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:09:08,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:08,187 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 06:09:08,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:08,196 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:09:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:08,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:09:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 06:09:08,399 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:09:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 06:09:08,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:09:08,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-27 06:09:08,563 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:09:08,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 06:09:08,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 06:09:08,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-27 06:09:08,565 INFO L87 Difference]: Start difference. First operand 3411 states and 3975 transitions. Second operand 11 states. [2018-10-27 06:09:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:11,944 INFO L93 Difference]: Finished difference Result 11091 states and 13843 transitions. [2018-10-27 06:09:11,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 06:09:11,945 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 202 [2018-10-27 06:09:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:11,979 INFO L225 Difference]: With dead ends: 11091 [2018-10-27 06:09:11,980 INFO L226 Difference]: Without dead ends: 8282 [2018-10-27 06:09:11,997 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 407 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-10-27 06:09:12,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2018-10-27 06:09:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8259. [2018-10-27 06:09:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8259 states. [2018-10-27 06:09:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 9902 transitions. [2018-10-27 06:09:12,202 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 9902 transitions. Word has length 202 [2018-10-27 06:09:12,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:12,203 INFO L481 AbstractCegarLoop]: Abstraction has 8259 states and 9902 transitions. [2018-10-27 06:09:12,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 06:09:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 9902 transitions. [2018-10-27 06:09:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-27 06:09:12,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:12,223 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:09:12,223 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:12,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:12,224 INFO L82 PathProgramCache]: Analyzing trace with hash 669212635, now seen corresponding path program 2 times [2018-10-27 06:09:12,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:12,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:12,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:12,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:12,225 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 06:09:13,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:13,084 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:09:13,084 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 06:09:13,085 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 06:09:13,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:13,085 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 06:09:13,099 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 06:09:13,099 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 06:09:13,177 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-27 06:09:13,177 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 06:09:13,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:09:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 06:09:13,439 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:09:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 06:09:13,739 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:09:13,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-10-27 06:09:13,739 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:13,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:09:13,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:09:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:09:13,740 INFO L87 Difference]: Start difference. First operand 8259 states and 9902 transitions. Second operand 3 states. [2018-10-27 06:09:14,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:14,750 INFO L93 Difference]: Finished difference Result 20240 states and 24655 transitions. [2018-10-27 06:09:14,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:09:14,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-10-27 06:09:14,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:14,752 INFO L225 Difference]: With dead ends: 20240 [2018-10-27 06:09:14,752 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:09:14,799 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 403 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:09:14,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:09:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:09:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:09:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:09:14,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-10-27 06:09:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:14,801 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:09:14,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:09:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:09:14,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:09:14,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:09:15,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,154 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 102 [2018-10-27 06:09:15,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:09:15,682 WARN L179 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-10-27 06:09:18,321 WARN L179 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 291 DAG size of output: 101 [2018-10-27 06:09:18,647 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-10-27 06:09:18,998 WARN L179 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2018-10-27 06:09:19,001 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:09:19,001 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-10-27 06:09:19,001 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,002 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,003 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-27 06:09:19,004 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-27 06:09:19,005 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,006 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-27 06:09:19,007 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,008 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-27 06:09:19,009 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-27 06:09:19,010 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-27 06:09:19,011 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-27 06:09:19,012 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-27 06:09:19,013 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse21 (= 1 |old(~a20~0)|))) (let ((.cse16 (= ~a17~0 1)) (.cse14 (<= ~a17~0 0)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse15 (< 0 |old(~a17~0)|)) (.cse17 (= ~a21~0 1)) (.cse18 (not (= 0 |old(~a7~0)|))) (.cse19 (not (= 15 |old(~a8~0)|))) (.cse8 (= ~a8~0 13)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse1 (< 13 |old(~a8~0)|)) (.cse6 (not .cse21)) (.cse20 (= 0 |old(~a16~0)|)) (.cse9 (not (= 8 ~a12~0))) (.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse5 .cse6 (not (= 4 |old(~a16~0)|)) (not .cse7)) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 (< |old(~a20~0)| 1) .cse10 (and .cse2 (= 1 ~a7~0) .cse13 .cse4 .cse14) .cse15) (or .cse11 (and .cse16 .cse17) (or .cse18 .cse5 .cse19 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse9 .cse12)) (or .cse0 .cse18 .cse5 .cse9 .cse15 .cse11 .cse6 .cse19 .cse17 .cse20) (or .cse5 .cse6 .cse20 .cse9 .cse11 (and (not (= ~a8~0 0)) .cse16 .cse17) (= 0 |old(~a8~0)|) .cse12) (or .cse7 .cse14 .cse15) (or .cse0 .cse15 .cse14) (or .cse0 .cse10 .cse13) (or .cse0 .cse15 .cse13) (or (<= 15 ~a8~0) (< |old(~a8~0)| 15)) (or (and .cse17 (= ~a17~0 0)) .cse11 (or (not .cse0) .cse18 .cse5 .cse6 .cse19 (not (= 0 |old(~a17~0)|)) .cse9)) (or (and (<= ~a8~0 |old(~a8~0)|) .cse3 .cse13 .cse4 (not .cse8)) .cse7) (or .cse0 .cse13 .cse21) (or .cse5 .cse1 .cse6 .cse20 .cse9 (and .cse2 .cse3 .cse4 (= ~a20~0 1)) .cse11 .cse12)))) [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,014 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-27 06:09:19,015 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,016 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-27 06:09:19,017 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-27 06:09:19,018 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-27 06:09:19,019 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-27 06:09:19,020 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:09:19,021 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)) [2018-10-27 06:09:19,021 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:09:19,021 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:09:19,021 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 (= ~a8~0 15) (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-10-27 06:09:19,021 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:09:19,021 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-10-27 06:09:19,021 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-27 06:09:19,022 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-27 06:09:19,022 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-27 06:09:19,022 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-10-27 06:09:19,022 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:09:19,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:09:19 BoogieIcfgContainer [2018-10-27 06:09:19,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:09:19,040 INFO L168 Benchmark]: Toolchain (without parser) took 56841.90 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 06:09:19,041 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:09:19,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:09:19,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-27 06:09:19,043 INFO L168 Benchmark]: Boogie Preprocessor took 64.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:09:19,043 INFO L168 Benchmark]: RCFGBuilder took 3356.45 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: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 7.1 GB. [2018-10-27 06:09:19,044 INFO L168 Benchmark]: TraceAbstraction took 52470.60 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 844.1 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -677.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 06:09:19,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 223.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.59 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3356.45 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: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52470.60 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 844.1 MB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -677.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: 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)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 52.3s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 36.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1236 SDtfs, 8349 SDslu, 1723 SDs, 0 SdLazy, 10334 SolverSat, 2099 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1769 GetRequests, 1647 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8259occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.996903532767045 AbsIntWeakeningRatio, 0.23541247484909456 AbsIntAvgWeakeningVarsNumRemoved, 28.48692152917505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 117 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 439 NumberOfFragments, 633 HoareAnnotationTreeSize, 231 FomulaSimplifications, 8574 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5911 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2447 ConstructedInterpolants, 0 QuantifiedInterpolants, 841849 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1514 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1383/1573 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...