java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:23:47,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:23:47,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:23:47,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:23:47,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:23:47,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:23:47,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:23:47,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:23:47,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:23:47,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:23:47,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:23:47,814 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:23:47,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:23:47,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:23:47,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:23:47,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:23:47,829 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:23:47,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:23:47,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:23:47,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:23:47,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:23:47,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:23:47,846 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:23:47,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:23:47,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:23:47,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:23:47,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:23:47,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:23:47,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:23:47,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:23:47,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:23:47,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:23:47,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:23:47,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:23:47,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:23:47,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:23:47,856 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:23:47,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:23:47,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:23:47,878 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:23:47,878 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:23:47,879 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:23:47,879 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:23:47,879 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:23:47,879 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:23:47,879 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:23:47,880 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:23:47,880 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:23:47,880 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:23:47,880 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:23:47,880 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:23:47,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:23:47,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:23:47,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:23:47,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:23:47,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:23:47,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:23:47,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:23:47,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:23:47,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:23:47,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:23:47,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:23:47,883 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:23:47,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:23:47,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:23:47,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:23:47,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:23:47,884 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:23:47,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:23:47,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:23:47,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:23:47,885 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:23:47,885 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:23:47,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:23:47,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:23:47,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:23:47,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:23:47,949 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:23:47,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-07 08:23:48,030 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d5598b9/eaf7ec38991846019889a43bc8b17723/FLAGf819c4a5b [2018-11-07 08:23:48,594 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:23:48,595 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-07 08:23:48,615 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d5598b9/eaf7ec38991846019889a43bc8b17723/FLAGf819c4a5b [2018-11-07 08:23:48,640 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d5598b9/eaf7ec38991846019889a43bc8b17723 [2018-11-07 08:23:48,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:23:48,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:23:48,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:23:48,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:23:48,663 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:23:48,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:48" (1/1) ... [2018-11-07 08:23:48,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1de55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:48, skipping insertion in model container [2018-11-07 08:23:48,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:48" (1/1) ... [2018-11-07 08:23:48,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:23:48,759 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:23:49,285 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:23:49,293 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:23:49,419 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:23:49,447 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:23:49,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49 WrapperNode [2018-11-07 08:23:49,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:23:49,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:23:49,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:23:49,450 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:23:49,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:23:49,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:23:49,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:23:49,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:23:49,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... [2018-11-07 08:23:49,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:23:49,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:23:49,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:23:49,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:23:49,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:23:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:23:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:23:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:23:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:23:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:23:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:23:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:23:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:23:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:23:52,837 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:23:52,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:52 BoogieIcfgContainer [2018-11-07 08:23:52,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:23:52,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:23:52,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:23:52,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:23:52,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:23:48" (1/3) ... [2018-11-07 08:23:52,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdd7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:52, skipping insertion in model container [2018-11-07 08:23:52,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:49" (2/3) ... [2018-11-07 08:23:52,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdd7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:52, skipping insertion in model container [2018-11-07 08:23:52,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:52" (3/3) ... [2018-11-07 08:23:52,848 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label21_true-unreach-call.c [2018-11-07 08:23:52,859 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:23:52,868 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:23:52,888 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:23:52,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:23:52,929 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:23:52,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:23:52,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:23:52,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:23:52,929 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:23:52,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:23:52,930 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:23:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:23:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-07 08:23:52,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:52,968 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] [2018-11-07 08:23:52,970 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:52,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:52,979 INFO L82 PathProgramCache]: Analyzing trace with hash 763875860, now seen corresponding path program 1 times [2018-11-07 08:23:52,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:53,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:53,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:53,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:53,032 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:53,450 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:23:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:23:53,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:23:53,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:23:53,485 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:53,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:23:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:23:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:23:53,505 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:23:55,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:55,264 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:23:55,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:23:55,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-11-07 08:23:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:55,285 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:23:55,285 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:23:55,293 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:23:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:23:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:23:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:23:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 08:23:55,371 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 34 [2018-11-07 08:23:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:55,372 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 08:23:55,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:23:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 08:23:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-07 08:23:55,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:55,380 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:23:55,380 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:55,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:55,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1148608533, now seen corresponding path program 1 times [2018-11-07 08:23:55,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:55,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:55,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:55,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:55,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:23:55,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:23:55,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 08:23:55,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:55,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 08:23:55,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 08:23:55,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 08:23:55,789 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 08:23:58,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:58,296 INFO L93 Difference]: Finished difference Result 1287 states and 2312 transitions. [2018-11-07 08:23:58,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 08:23:58,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2018-11-07 08:23:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:58,305 INFO L225 Difference]: With dead ends: 1287 [2018-11-07 08:23:58,306 INFO L226 Difference]: Without dead ends: 937 [2018-11-07 08:23:58,311 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 08:23:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-07 08:23:58,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 924. [2018-11-07 08:23:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-07 08:23:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1441 transitions. [2018-11-07 08:23:58,385 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1441 transitions. Word has length 117 [2018-11-07 08:23:58,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:58,386 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1441 transitions. [2018-11-07 08:23:58,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 08:23:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1441 transitions. [2018-11-07 08:23:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 08:23:58,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:58,391 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:23:58,392 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:58,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:58,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1243271371, now seen corresponding path program 1 times [2018-11-07 08:23:58,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:58,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:58,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:58,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:58,394 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:23:58,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:23:58,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:23:58,726 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:58,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:23:58,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:23:58,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:23:58,728 INFO L87 Difference]: Start difference. First operand 924 states and 1441 transitions. Second operand 6 states. [2018-11-07 08:24:02,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:02,243 INFO L93 Difference]: Finished difference Result 2533 states and 4079 transitions. [2018-11-07 08:24:02,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:24:02,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-11-07 08:24:02,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:02,255 INFO L225 Difference]: With dead ends: 2533 [2018-11-07 08:24:02,256 INFO L226 Difference]: Without dead ends: 1615 [2018-11-07 08:24:02,263 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:24:02,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2018-11-07 08:24:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1584. [2018-11-07 08:24:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2018-11-07 08:24:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2317 transitions. [2018-11-07 08:24:02,344 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2317 transitions. Word has length 133 [2018-11-07 08:24:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:02,344 INFO L480 AbstractCegarLoop]: Abstraction has 1584 states and 2317 transitions. [2018-11-07 08:24:02,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:24:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2317 transitions. [2018-11-07 08:24:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-07 08:24:02,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:02,352 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:02,353 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:02,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash 505043483, now seen corresponding path program 1 times [2018-11-07 08:24:02,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:02,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:02,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:02,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:02,355 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:02,692 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:24:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:03,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:03,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:24:03,086 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:03,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:24:03,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:24:03,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:24:03,087 INFO L87 Difference]: Start difference. First operand 1584 states and 2317 transitions. Second operand 6 states. [2018-11-07 08:24:04,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:04,617 INFO L93 Difference]: Finished difference Result 3502 states and 5313 transitions. [2018-11-07 08:24:04,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:24:04,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-07 08:24:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:04,641 INFO L225 Difference]: With dead ends: 3502 [2018-11-07 08:24:04,641 INFO L226 Difference]: Without dead ends: 1924 [2018-11-07 08:24:04,647 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:24:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2018-11-07 08:24:04,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1885. [2018-11-07 08:24:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2018-11-07 08:24:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2678 transitions. [2018-11-07 08:24:04,712 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2678 transitions. Word has length 157 [2018-11-07 08:24:04,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:04,712 INFO L480 AbstractCegarLoop]: Abstraction has 1885 states and 2678 transitions. [2018-11-07 08:24:04,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:24:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2678 transitions. [2018-11-07 08:24:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-07 08:24:04,723 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:04,723 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:04,723 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:04,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:04,724 INFO L82 PathProgramCache]: Analyzing trace with hash -336881060, now seen corresponding path program 1 times [2018-11-07 08:24:04,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:04,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:04,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:04,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:04,726 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:05,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:05,169 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:05,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-11-07 08:24:05,172 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:05,217 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:05,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:06,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:06,335 INFO L272 AbstractInterpreter]: Visited 92 different actions 352 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:24:06,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:06,383 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:06,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:06,383 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:06,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:06,404 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:06,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:06,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:07,731 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:07,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:24:07,731 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:07,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:24:07,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:24:07,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:24:07,733 INFO L87 Difference]: Start difference. First operand 1885 states and 2678 transitions. Second operand 9 states. [2018-11-07 08:24:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:14,603 INFO L93 Difference]: Finished difference Result 5485 states and 8955 transitions. [2018-11-07 08:24:14,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 08:24:14,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 188 [2018-11-07 08:24:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:14,642 INFO L225 Difference]: With dead ends: 5485 [2018-11-07 08:24:14,643 INFO L226 Difference]: Without dead ends: 3606 [2018-11-07 08:24:14,674 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 379 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-11-07 08:24:14,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2018-11-07 08:24:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3516. [2018-11-07 08:24:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3516 states. [2018-11-07 08:24:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3516 states and 4915 transitions. [2018-11-07 08:24:14,818 INFO L78 Accepts]: Start accepts. Automaton has 3516 states and 4915 transitions. Word has length 188 [2018-11-07 08:24:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:14,819 INFO L480 AbstractCegarLoop]: Abstraction has 3516 states and 4915 transitions. [2018-11-07 08:24:14,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:24:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3516 states and 4915 transitions. [2018-11-07 08:24:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-07 08:24:14,835 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:14,835 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:14,835 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:14,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:14,836 INFO L82 PathProgramCache]: Analyzing trace with hash -321753901, now seen corresponding path program 1 times [2018-11-07 08:24:14,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:14,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:14,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:14,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:14,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:15,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:15,351 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:15,351 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-07 08:24:15,351 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:15,360 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:15,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:15,624 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:24:15,624 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 08:24:15,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:15,651 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:24:16,181 INFO L227 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 73.06% of their original sizes. [2018-11-07 08:24:16,181 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:24:16,432 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-07 08:24:16,432 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:24:16,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:24:16,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 08:24:16,433 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:16,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:24:16,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:24:16,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:24:16,434 INFO L87 Difference]: Start difference. First operand 3516 states and 4915 transitions. Second operand 6 states. [2018-11-07 08:24:35,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:35,652 INFO L93 Difference]: Finished difference Result 7172 states and 10022 transitions. [2018-11-07 08:24:35,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 08:24:35,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-07 08:24:35,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:35,678 INFO L225 Difference]: With dead ends: 7172 [2018-11-07 08:24:35,678 INFO L226 Difference]: Without dead ends: 3662 [2018-11-07 08:24:35,706 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 08:24:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2018-11-07 08:24:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3660. [2018-11-07 08:24:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3660 states. [2018-11-07 08:24:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 5066 transitions. [2018-11-07 08:24:35,822 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 5066 transitions. Word has length 195 [2018-11-07 08:24:35,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:35,822 INFO L480 AbstractCegarLoop]: Abstraction has 3660 states and 5066 transitions. [2018-11-07 08:24:35,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:24:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5066 transitions. [2018-11-07 08:24:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-07 08:24:35,840 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:35,840 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:35,840 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:35,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:35,841 INFO L82 PathProgramCache]: Analyzing trace with hash -949760289, now seen corresponding path program 1 times [2018-11-07 08:24:35,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:35,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:35,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:35,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:35,842 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:36,143 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:24:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 87 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-07 08:24:36,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:36,442 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:36,442 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-11-07 08:24:36,443 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:36,446 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:36,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:36,814 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:36,814 INFO L272 AbstractInterpreter]: Visited 93 different actions 280 times. Merged at 8 different actions 24 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 08:24:36,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:36,853 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:36,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:36,854 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:36,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:36,867 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:36,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 08:24:37,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 162 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 08:24:37,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:37,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 08:24:37,856 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:37,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 08:24:37,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 08:24:37,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 08:24:37,857 INFO L87 Difference]: Start difference. First operand 3660 states and 5066 transitions. Second operand 11 states. [2018-11-07 08:24:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:42,708 INFO L93 Difference]: Finished difference Result 10624 states and 15926 transitions. [2018-11-07 08:24:42,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 08:24:42,709 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 275 [2018-11-07 08:24:42,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:42,723 INFO L225 Difference]: With dead ends: 10624 [2018-11-07 08:24:42,724 INFO L226 Difference]: Without dead ends: 2735 [2018-11-07 08:24:42,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 557 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-07 08:24:42,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2018-11-07 08:24:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2356. [2018-11-07 08:24:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2356 states. [2018-11-07 08:24:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 2972 transitions. [2018-11-07 08:24:42,872 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 2972 transitions. Word has length 275 [2018-11-07 08:24:42,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:42,873 INFO L480 AbstractCegarLoop]: Abstraction has 2356 states and 2972 transitions. [2018-11-07 08:24:42,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 08:24:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2972 transitions. [2018-11-07 08:24:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-07 08:24:42,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:42,884 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:42,884 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:42,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:42,885 INFO L82 PathProgramCache]: Analyzing trace with hash 418131815, now seen corresponding path program 1 times [2018-11-07 08:24:42,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:42,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:42,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:42,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:42,886 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 08:24:43,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:43,279 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:43,279 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-07 08:24:43,280 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:43,283 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:43,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:43,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:43,636 INFO L272 AbstractInterpreter]: Visited 126 different actions 379 times. Merged at 8 different actions 25 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:24:43,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:43,641 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:43,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:43,641 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:43,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:43,651 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:43,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 08:24:44,046 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 243 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 08:24:44,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:44,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 08:24:44,272 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:44,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:24:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:24:44,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:24:44,273 INFO L87 Difference]: Start difference. First operand 2356 states and 2972 transitions. Second operand 9 states. [2018-11-07 08:24:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:45,753 INFO L93 Difference]: Finished difference Result 4436 states and 5655 transitions. [2018-11-07 08:24:45,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 08:24:45,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 311 [2018-11-07 08:24:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:45,764 INFO L225 Difference]: With dead ends: 4436 [2018-11-07 08:24:45,764 INFO L226 Difference]: Without dead ends: 2230 [2018-11-07 08:24:45,773 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 624 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-07 08:24:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2018-11-07 08:24:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2140. [2018-11-07 08:24:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2018-11-07 08:24:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2463 transitions. [2018-11-07 08:24:45,837 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2463 transitions. Word has length 311 [2018-11-07 08:24:45,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:45,837 INFO L480 AbstractCegarLoop]: Abstraction has 2140 states and 2463 transitions. [2018-11-07 08:24:45,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:24:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2463 transitions. [2018-11-07 08:24:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-07 08:24:45,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:45,845 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:45,846 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:45,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:45,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1915353371, now seen corresponding path program 1 times [2018-11-07 08:24:45,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:45,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:45,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:45,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:45,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:46,524 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-07 08:24:46,845 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-07 08:24:47,221 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-11-07 08:24:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 142 proven. 113 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-07 08:24:47,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:47,680 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:47,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 322 with the following transitions: [2018-11-07 08:24:47,681 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [173], [175], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:47,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:47,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:49,579 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:49,579 INFO L272 AbstractInterpreter]: Visited 126 different actions 379 times. Merged at 8 different actions 25 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:24:49,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:49,585 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:49,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:49,585 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:24:49,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:49,595 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:49,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-07 08:24:49,864 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-07 08:24:49,975 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:24:49,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 13 [2018-11-07 08:24:49,975 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:49,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:24:49,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:24:49,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-07 08:24:49,977 INFO L87 Difference]: Start difference. First operand 2140 states and 2463 transitions. Second operand 3 states. [2018-11-07 08:24:50,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:50,577 INFO L93 Difference]: Finished difference Result 4708 states and 5522 transitions. [2018-11-07 08:24:50,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:24:50,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2018-11-07 08:24:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:50,578 INFO L225 Difference]: With dead ends: 4708 [2018-11-07 08:24:50,579 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:24:50,587 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 642 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-07 08:24:50,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:24:50,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:24:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:24:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:24:50,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 321 [2018-11-07 08:24:50,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:50,588 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:24:50,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:24:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:24:50,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:24:50,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:24:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,952 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 165 [2018-11-07 08:24:50,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:51,197 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 162 [2018-11-07 08:24:51,598 WARN L179 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 15 [2018-11-07 08:24:52,045 WARN L179 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2018-11-07 08:24:52,715 WARN L179 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 43 [2018-11-07 08:24:53,631 WARN L179 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 49 [2018-11-07 08:24:54,288 WARN L179 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 49 [2018-11-07 08:24:54,291 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:54,291 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:24:54,292 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:24:54,293 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:24:54,294 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:24:54,295 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,296 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:24:54,297 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:24:54,298 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:24:54,299 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:24:54,300 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,301 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:24:54,302 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,303 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:24:54,304 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:24:54,305 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= |old(~a10~0)| ~a10~0)) (.cse3 (= ~a1~0 |old(~a1~0)|))) (let ((.cse4 (= 7 |old(~a19~0)|)) (.cse0 (< 2 |old(~a10~0)|)) (.cse1 (and (= |old(~a19~0)| ~a19~0) .cse2 .cse3))) (and (or .cse0 (< 23 |old(~a1~0)|) .cse1) (or (not (= 9 |old(~a19~0)|)) (and (<= ~a19~0 |old(~a19~0)|) .cse2 (<= 9 ~a19~0) .cse3)) (or (or (= 3 |old(~a10~0)|) .cse4 (= 10 |old(~a19~0)|)) .cse1) (or .cse1 .cse4 (< 8 |old(~a19~0)|) (= 8 |old(~a19~0)|)) (or .cse1 .cse4 .cse0) (or (< |old(~a10~0)| 1) .cse0 .cse1)))) [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:24:54,306 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:24:54,307 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:24:54,308 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,309 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:24:54,310 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-07 08:24:54,311 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:24:54,311 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:54,311 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:24:54,312 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:54,312 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= 1 ~a10~0) .cse0) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (not (= ~a10~0 3)) .cse1 (not (= ~a19~0 10))) (and .cse1 .cse0) (and (<= ~a1~0 23) .cse0) (not (= 9 |old(~a19~0)|)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 14 ~a4~0)))) [2018-11-07 08:24:54,312 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:24:54,312 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:24:54,312 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:24:54,312 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (<= 1 ~a10~0) .cse0) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (not (= ~a10~0 3)) .cse1 (not (= ~a19~0 10))) (and .cse1 .cse0) (and (<= ~a1~0 23) .cse0) (not (= 9 |old(~a19~0)|)) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 14 ~a4~0)))) [2018-11-07 08:24:54,312 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:54,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:24:54 BoogieIcfgContainer [2018-11-07 08:24:54,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:24:54,327 INFO L168 Benchmark]: Toolchain (without parser) took 65671.87 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -170.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:54,328 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:54,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:54,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:54,332 INFO L168 Benchmark]: Boogie Preprocessor took 117.78 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:54,333 INFO L168 Benchmark]: RCFGBuilder took 3142.49 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: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:54,334 INFO L168 Benchmark]: TraceAbstraction took 61486.36 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 515.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:54,342 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 791.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 128.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.78 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 3142.49 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: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61486.36 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 515.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (1 <= a10 && a10 <= 2)) || (a19 <= \old(a19) && 9 <= a19)) || ((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10))) || (!(a19 == 7) && a10 <= 2)) || (a1 <= 23 && a10 <= 2)) || !(9 == \old(a19))) || ((!(a19 == 7) && !(a19 == 8)) && a19 <= 8)) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 61.3s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 42.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 955 SDtfs, 7046 SDslu, 1137 SDs, 0 SdLazy, 10375 SolverSat, 2221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2511 GetRequests, 2401 SyntacticMatches, 17 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3660occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9970980050876959 AbsIntWeakeningRatio, 0.13402061855670103 AbsIntAvgWeakeningVarsNumRemoved, 15.262886597938145 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 644 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 201 PreInvPairs, 339 NumberOfFragments, 325 HoareAnnotationTreeSize, 201 FomulaSimplifications, 24711 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8556 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 2826 NumberOfCodeBlocks, 2826 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3904 ConstructedInterpolants, 0 QuantifiedInterpolants, 3166419 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1906 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 3144/3504 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...