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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:06:44,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:06:44,857 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:06:44,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:06:44,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:06:44,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:06:44,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:06:44,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:06:44,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:06:44,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:06:44,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:06:44,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:06:44,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:06:44,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:06:44,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:06:44,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:06:44,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:06:44,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:06:44,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:06:44,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:06:44,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:06:44,890 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:06:44,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-14 17:06:44,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:06:44,899 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:06:44,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:06:44,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:06:44,901 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:06:44,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:06:44,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:06:44,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:06:44,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:06:44,918 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:06:44,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:06:44,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:06:44,919 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:06:44,919 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:06:44,919 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:06:44,919 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:06:44,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:06:44,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:06:44,920 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:06:44,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:06:44,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:06:44,921 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:06:44,921 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:06:44,921 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:06:44,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:06:44,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:06:44,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:06:44,922 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:06:44,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:06:44,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:06:44,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:06:44,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:06:44,923 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:06:44,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:06:44,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:06:44,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:06:44,924 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:06:44,924 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:06:44,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:06:44,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:06:44,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:06:44,995 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:06:44,996 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:06:44,997 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-09-14 17:06:45,369 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08336d39f/7d3d4840ec314c4a84af518a8a0caab4/FLAG704a3048d [2018-09-14 17:06:45,612 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:06:45,613 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-09-14 17:06:45,631 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08336d39f/7d3d4840ec314c4a84af518a8a0caab4/FLAG704a3048d [2018-09-14 17:06:45,661 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08336d39f/7d3d4840ec314c4a84af518a8a0caab4 [2018-09-14 17:06:45,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:06:45,679 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:06:45,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:06:45,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:06:45,691 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:06:45,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:06:45" (1/1) ... [2018-09-14 17:06:45,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a614e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:45, skipping insertion in model container [2018-09-14 17:06:45,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:06:45" (1/1) ... [2018-09-14 17:06:45,708 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:06:46,196 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:06:46,220 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:06:46,397 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:06:46,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46 WrapperNode [2018-09-14 17:06:46,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:06:46,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:06:46,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:06:46,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:06:46,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:06:46,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:06:46,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:06:46,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:06:46,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (1/1) ... [2018-09-14 17:06:46,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:06:46,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:06:46,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:06:46,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:06:46,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (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 [2018-09-14 17:06:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:06:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:06:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:06:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:06:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:06:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:06:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:06:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:06:49,917 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:06:49,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:06:49 BoogieIcfgContainer [2018-09-14 17:06:49,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:06:49,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:06:49,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:06:49,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:06:49,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:06:45" (1/3) ... [2018-09-14 17:06:49,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a80e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:06:49, skipping insertion in model container [2018-09-14 17:06:49,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:06:46" (2/3) ... [2018-09-14 17:06:49,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a80e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:06:49, skipping insertion in model container [2018-09-14 17:06:49,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:06:49" (3/3) ... [2018-09-14 17:06:49,927 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-09-14 17:06:49,937 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:06:49,946 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:06:50,000 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:06:50,001 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:06:50,001 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:06:50,001 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:06:50,001 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:06:50,001 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:06:50,002 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:06:50,002 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:06:50,002 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:06:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-14 17:06:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-14 17:06:50,050 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:06:50,051 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:06:50,052 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:06:50,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1604912700, now seen corresponding path program 1 times [2018-09-14 17:06:50,059 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:06:50,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:50,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:06:50,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:50,112 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:06:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:06:50,570 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:06:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:06:50,690 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:06:50,691 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:06:50,691 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:06:50,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:06:50,715 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:06:50,716 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:06:50,718 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-14 17:06:52,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:06:52,532 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-14 17:06:52,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:06:52,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-09-14 17:06:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:06:52,553 INFO L225 Difference]: With dead ends: 574 [2018-09-14 17:06:52,554 INFO L226 Difference]: Without dead ends: 356 [2018-09-14 17:06:52,561 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:06:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-14 17:06:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-14 17:06:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-14 17:06:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-09-14 17:06:52,644 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 68 [2018-09-14 17:06:52,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:06:52,645 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-09-14 17:06:52,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:06:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-09-14 17:06:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-14 17:06:52,655 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:06:52,656 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:06:52,657 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:06:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash 633419456, now seen corresponding path program 1 times [2018-09-14 17:06:52,657 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:06:52,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:52,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:06:52,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:52,659 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:06:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:06:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:06:53,194 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:06:53,195 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 17:06:53,195 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:06:53,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:06:53,198 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:06:53,198 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 17:06:53,198 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-09-14 17:06:56,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:06:56,896 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-09-14 17:06:56,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:06:56,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2018-09-14 17:06:56,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:06:56,907 INFO L225 Difference]: With dead ends: 1140 [2018-09-14 17:06:56,907 INFO L226 Difference]: Without dead ends: 790 [2018-09-14 17:06:56,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-14 17:06:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-09-14 17:06:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-09-14 17:06:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-09-14 17:06:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-09-14 17:06:56,973 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 188 [2018-09-14 17:06:56,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:06:56,974 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-09-14 17:06:56,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:06:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-09-14 17:06:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-14 17:06:56,981 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:06:56,981 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:06:56,982 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:06:56,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1277434075, now seen corresponding path program 1 times [2018-09-14 17:06:56,982 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:06:56,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:56,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:06:56,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:06:56,986 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:06:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:06:57,327 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:06:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:06:57,423 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:06:57,423 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:06:57,423 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:06:57,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:06:57,424 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:06:57,425 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:06:57,425 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-09-14 17:07:03,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:07:03,046 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-09-14 17:07:03,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:07:03,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-09-14 17:07:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:07:03,059 INFO L225 Difference]: With dead ends: 1975 [2018-09-14 17:07:03,059 INFO L226 Difference]: Without dead ends: 1197 [2018-09-14 17:07:03,064 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:07:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-09-14 17:07:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-09-14 17:07:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-09-14 17:07:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-09-14 17:07:03,116 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 195 [2018-09-14 17:07:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:07:03,117 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-09-14 17:07:03,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:07:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-09-14 17:07:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-14 17:07:03,128 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:03,128 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:07:03,128 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:03,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1200598705, now seen corresponding path program 1 times [2018-09-14 17:07:03,129 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:03,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:03,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:03,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:03,130 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:03,628 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-14 17:07:03,820 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:07:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:04,676 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:04,676 INFO L197 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 [2018-09-14 17:07:04,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:04,685 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:04,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:05,508 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:06,124 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:06,125 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:07:06,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:06,142 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:06,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:06,847 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (3)] Exception during sending of exit command (exit): Broken pipe [2018-09-14 17:07:07,210 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:07:07,211 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5, 5, 5] total 22 [2018-09-14 17:07:07,211 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:07:07,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-14 17:07:07,212 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-14 17:07:07,212 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2018-09-14 17:07:07,212 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 16 states. [2018-09-14 17:07:07,882 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2018-09-14 17:07:16,483 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-09-14 17:07:16,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:07:16,842 INFO L93 Difference]: Finished difference Result 3810 states and 6145 transitions. [2018-09-14 17:07:16,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-09-14 17:07:16,843 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 259 [2018-09-14 17:07:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:07:16,863 INFO L225 Difference]: With dead ends: 3810 [2018-09-14 17:07:16,863 INFO L226 Difference]: Without dead ends: 2639 [2018-09-14 17:07:16,878 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1041 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=779, Invalid=2527, Unknown=0, NotChecked=0, Total=3306 [2018-09-14 17:07:16,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2018-09-14 17:07:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2321. [2018-09-14 17:07:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2321 states. [2018-09-14 17:07:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3108 transitions. [2018-09-14 17:07:16,965 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3108 transitions. Word has length 259 [2018-09-14 17:07:16,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:07:16,966 INFO L480 AbstractCegarLoop]: Abstraction has 2321 states and 3108 transitions. [2018-09-14 17:07:16,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-14 17:07:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3108 transitions. [2018-09-14 17:07:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-09-14 17:07:16,977 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:16,977 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:07:16,978 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:16,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1468713688, now seen corresponding path program 1 times [2018-09-14 17:07:16,978 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:16,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:16,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:16,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:16,980 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:17,518 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:17,518 INFO L197 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 [2018-09-14 17:07:17,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:17,534 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:17,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:18,070 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:18,442 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:18,442 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:07:18,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:18,458 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:18,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:18,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:18,975 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:07:18,976 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-14 17:07:18,976 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:07:18,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:07:18,977 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:07:18,977 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:07:18,977 INFO L87 Difference]: Start difference. First operand 2321 states and 3108 transitions. Second operand 9 states. [2018-09-14 17:07:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:07:22,301 INFO L93 Difference]: Finished difference Result 6950 states and 10487 transitions. [2018-09-14 17:07:22,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-14 17:07:22,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 274 [2018-09-14 17:07:22,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:07:22,315 INFO L225 Difference]: With dead ends: 6950 [2018-09-14 17:07:22,316 INFO L226 Difference]: Without dead ends: 1803 [2018-09-14 17:07:22,376 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1116 GetRequests, 1093 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2018-09-14 17:07:22,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-09-14 17:07:22,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1637. [2018-09-14 17:07:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-09-14 17:07:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2042 transitions. [2018-09-14 17:07:22,433 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2042 transitions. Word has length 274 [2018-09-14 17:07:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:07:22,433 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2042 transitions. [2018-09-14 17:07:22,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:07:22,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2042 transitions. [2018-09-14 17:07:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-09-14 17:07:22,442 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:22,442 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:07:22,443 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:22,443 INFO L82 PathProgramCache]: Analyzing trace with hash -220726540, now seen corresponding path program 1 times [2018-09-14 17:07:22,443 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:22,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:22,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:22,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:22,444 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 122 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:07:22,726 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:22,726 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:07:22,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:22,734 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:22,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-14 17:07:22,916 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 122 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:07:23,240 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:07:23,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-14 17:07:23,240 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:07:23,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:07:23,241 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:07:23,241 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-09-14 17:07:23,241 INFO L87 Difference]: Start difference. First operand 1637 states and 2042 transitions. Second operand 5 states. [2018-09-14 17:07:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:07:24,099 INFO L93 Difference]: Finished difference Result 2809 states and 3511 transitions. [2018-09-14 17:07:24,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:07:24,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2018-09-14 17:07:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:07:24,107 INFO L225 Difference]: With dead ends: 2809 [2018-09-14 17:07:24,107 INFO L226 Difference]: Without dead ends: 1478 [2018-09-14 17:07:24,109 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 562 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:07:24,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2018-09-14 17:07:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1451. [2018-09-14 17:07:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2018-09-14 17:07:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1704 transitions. [2018-09-14 17:07:24,146 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1704 transitions. Word has length 284 [2018-09-14 17:07:24,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:07:24,146 INFO L480 AbstractCegarLoop]: Abstraction has 1451 states and 1704 transitions. [2018-09-14 17:07:24,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:07:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1704 transitions. [2018-09-14 17:07:24,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-09-14 17:07:24,155 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:24,156 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-09-14 17:07:24,156 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:24,156 INFO L82 PathProgramCache]: Analyzing trace with hash -341971068, now seen corresponding path program 1 times [2018-09-14 17:07:24,157 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:24,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:24,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:24,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:24,158 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 315 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:25,280 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:25,280 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:07:25,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:25,290 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:25,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:26,362 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2018-09-14 17:07:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-14 17:07:28,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:29,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:29,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 118 [2018-09-14 17:07:30,770 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2018-09-14 17:07:30,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,780 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,785 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,813 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,868 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,883 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,887 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,894 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,902 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,948 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,952 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,982 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,991 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:30,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,010 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,021 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,028 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,056 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,060 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,082 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,086 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,093 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,112 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,119 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,210 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:31,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 189 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:07:32,314 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:07:32,314 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:07:32,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:32,330 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:07:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:32,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:07:33,998 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-14 17:07:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-14 17:07:34,189 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:07:34,373 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-14 17:07:34,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-09-14 17:07:34,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,949 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:34,977 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,012 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,056 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,073 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,083 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,107 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,118 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,129 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,142 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,153 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,163 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,173 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,179 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,182 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,186 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,209 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,223 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,226 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,244 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,248 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,251 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,254 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,266 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,287 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,290 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,293 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,300 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,305 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,308 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,311 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,327 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,340 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:35,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:07:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 189 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:07:36,295 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:07:36,296 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8, 8, 8] total 35 [2018-09-14 17:07:36,296 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:07:36,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-09-14 17:07:36,297 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-09-14 17:07:36,298 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1021, Unknown=1, NotChecked=0, Total=1190 [2018-09-14 17:07:36,298 INFO L87 Difference]: Start difference. First operand 1451 states and 1704 transitions. Second operand 23 states. [2018-09-14 17:07:40,289 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2018-09-14 17:07:47,732 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2018-09-14 17:08:26,315 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2018-09-14 17:08:28,866 WARN L178 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-09-14 17:08:53,233 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-09-14 17:09:06,799 WARN L178 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2018-09-14 17:09:26,971 WARN L178 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2018-09-14 17:10:23,387 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-09-14 17:10:27,250 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2018-09-14 17:10:27,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:10:27,768 INFO L93 Difference]: Finished difference Result 6749 states and 9265 transitions. [2018-09-14 17:10:27,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-09-14 17:10:27,769 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 382 [2018-09-14 17:10:27,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:10:27,798 INFO L225 Difference]: With dead ends: 6749 [2018-09-14 17:10:27,798 INFO L226 Difference]: Without dead ends: 4353 [2018-09-14 17:10:27,812 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1678 GetRequests, 1527 SyntacticMatches, 9 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7312 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=3540, Invalid=17051, Unknown=1, NotChecked=0, Total=20592 [2018-09-14 17:10:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2018-09-14 17:10:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 3653. [2018-09-14 17:10:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3653 states. [2018-09-14 17:10:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 3653 states and 4424 transitions. [2018-09-14 17:10:27,950 INFO L78 Accepts]: Start accepts. Automaton has 3653 states and 4424 transitions. Word has length 382 [2018-09-14 17:10:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:10:27,950 INFO L480 AbstractCegarLoop]: Abstraction has 3653 states and 4424 transitions. [2018-09-14 17:10:27,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-09-14 17:10:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4424 transitions. [2018-09-14 17:10:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-09-14 17:10:27,968 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:10:27,968 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-09-14 17:10:27,969 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:10:27,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1553693176, now seen corresponding path program 1 times [2018-09-14 17:10:27,969 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:10:27,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:10:27,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:10:27,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:10:27,971 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:10:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:10:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-09-14 17:10:28,409 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:10:28,409 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:10:28,409 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:10:28,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:10:28,410 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:10:28,410 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:10:28,410 INFO L87 Difference]: Start difference. First operand 3653 states and 4424 transitions. Second operand 4 states. [2018-09-14 17:10:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:10:29,445 INFO L93 Difference]: Finished difference Result 6859 states and 8359 transitions. [2018-09-14 17:10:29,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:10:29,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 396 [2018-09-14 17:10:29,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:10:29,447 INFO L225 Difference]: With dead ends: 6859 [2018-09-14 17:10:29,447 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 17:10:29,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:10:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 17:10:29,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 17:10:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 17:10:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 17:10:29,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 396 [2018-09-14 17:10:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:10:29,457 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 17:10:29,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:10:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 17:10:29,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 17:10:29,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 17:10:29,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:29,972 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 200 [2018-09-14 17:10:30,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:10:30,311 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 200 [2018-09-14 17:10:30,738 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-09-14 17:10:31,609 WARN L178 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2018-09-14 17:10:32,566 WARN L178 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 51 [2018-09-14 17:10:33,124 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 52 [2018-09-14 17:10:33,676 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 52 [2018-09-14 17:10:33,679 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-09-14 17:10:33,680 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,681 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-14 17:10:33,682 INFO L426 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,683 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-09-14 17:10:33,684 INFO L426 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-14 17:10:33,685 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,686 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-09-14 17:10:33,687 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-09-14 17:10:33,688 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,689 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-14 17:10:33,690 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-09-14 17:10:33,691 INFO L426 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-09-14 17:10:33,692 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse10 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= |old(~a10~0)| ~a10~0))) (let ((.cse4 (= 1 |old(~a10~0)|)) (.cse5 (and .cse10 .cse8 .cse9)) (.cse2 (< 2 |old(~a10~0)|)) (.cse6 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse7 (= 6 |old(~a19~0)|)) (.cse3 (and .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= 9 |old(~a19~0)|)) (not (= 3 |old(~a10~0)|)) .cse5) (or .cse5 .cse6 .cse0 .cse1 (<= (+ |old(~a1~0)| 13) 0) .cse4) (or .cse5 (not (= 4 |old(~a10~0)|)) .cse0 .cse1 (< 9 |old(~a19~0)|)) (or .cse0 .cse1 .cse3 .cse7 .cse2) (or .cse6 .cse0 .cse1 .cse7 .cse3)))) [2018-09-14 17:10:33,692 INFO L426 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,693 INFO L426 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-09-14 17:10:33,694 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-09-14 17:10:33,695 INFO L426 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-09-14 17:10:33,696 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-09-14 17:10:33,697 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-09-14 17:10:33,698 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:10:33,699 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a10~0 2) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (= 9 ~a19~0)) [2018-09-14 17:10:33,699 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 17:10:33,699 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:10:33,699 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|) (and (<= ~a1~0 23) (<= |old(~a1~0)| ~a1~0) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0))) [2018-09-14 17:10:33,699 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:10:33,699 INFO L422 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-09-14 17:10:33,699 INFO L426 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-09-14 17:10:33,699 INFO L426 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-09-14 17:10:33,700 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-09-14 17:10:33,700 INFO L422 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-09-14 17:10:33,700 INFO L426 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:10:33,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:10:33 BoogieIcfgContainer [2018-09-14 17:10:33,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:10:33,717 INFO L168 Benchmark]: Toolchain (without parser) took 228041.23 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -596.0 MB). Peak memory consumption was 743.0 MB. Max. memory is 7.1 GB. [2018-09-14 17:10:33,718 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-14 17:10:33,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.25 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. [2018-09-14 17:10:33,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.73 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:10:33,720 INFO L168 Benchmark]: Boogie Preprocessor took 220.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:10:33,721 INFO L168 Benchmark]: RCFGBuilder took 3138.43 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:10:33,722 INFO L168 Benchmark]: TraceAbstraction took 223797.64 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 563.1 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.1 MB). Peak memory consumption was 678.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:10:33,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 771.25 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 105.73 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 220.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 775.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3138.43 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: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223797.64 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 563.1 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 115.1 MB). Peak memory consumption was 678.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 223.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 197.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 640 SDtfs, 12845 SDslu, 1560 SDs, 0 SdLazy, 22806 SolverSat, 4884 SolverUnsat, 68 SolverUnknown, 0 SolverNotchecked, 174.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4500 GetRequests, 4233 SyntacticMatches, 25 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8226 ImplicationChecksByTransitivity, 25.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3653occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1237 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 127 PreInvPairs, 251 NumberOfFragments, 400 HoareAnnotationTreeSize, 127 FomulaSimplifications, 35647 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17274 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 4160 NumberOfCodeBlocks, 4160 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 6252 ConstructedInterpolants, 252 QuantifiedInterpolants, 15658181 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3407 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 22 InterpolantComputations, 5 PerfectInterpolantSequences, 4629/5497 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label11_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-10-33-743.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label11_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-10-33-743.csv Received shutdown request...