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/Problem02_label06_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:08:25,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:08:25,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:08:25,750 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:08:25,750 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:08:25,751 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:08:25,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:08:25,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:08:25,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:08:25,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:08:25,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:08:25,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:08:25,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:08:25,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:08:25,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:08:25,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:08:25,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:08:25,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:08:25,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:08:25,769 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:08:25,770 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:08:25,771 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:08:25,774 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 10:08:25,783 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 [2018-09-18 10:08:25,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:08:25,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:08:25,800 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:08:25,800 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:08:25,800 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:08:25,800 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:08:25,801 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:08:25,801 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:08:25,801 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:08:25,801 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:08:25,801 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:08:25,802 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:08:25,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:08:25,803 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:08:25,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:08:25,803 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:08:25,803 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:08:25,803 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:08:25,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:08:25,804 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:08:25,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:08:25,804 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:08:25,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:08:25,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:08:25,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:08:25,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:08:25,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:08:25,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:08:25,806 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:08:25,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:08:25,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:08:25,806 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:08:25,806 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:08:25,807 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:08:25,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:08:25,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:08:25,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:08:25,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:08:25,870 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:08:25,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-09-18 10:08:26,212 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743a49f7a/9911fb08c82e4941827ae0793ada7516/FLAGda419ddfe [2018-09-18 10:08:26,486 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:08:26,490 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-09-18 10:08:26,514 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743a49f7a/9911fb08c82e4941827ae0793ada7516/FLAGda419ddfe [2018-09-18 10:08:26,536 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743a49f7a/9911fb08c82e4941827ae0793ada7516 [2018-09-18 10:08:26,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:08:26,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:08:26,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:08:26,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:08:26,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:08:26,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:08:26" (1/1) ... [2018-09-18 10:08:26,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c5c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:26, skipping insertion in model container [2018-09-18 10:08:26,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:08:26" (1/1) ... [2018-09-18 10:08:26,588 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:08:27,055 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:08:27,081 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:08:27,224 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:08:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27 WrapperNode [2018-09-18 10:08:27,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:08:27,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:08:27,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:08:27,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:08:27,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:08:27,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:08:27,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:08:27,365 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:08:27,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (1/1) ... [2018-09-18 10:08:27,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:08:27,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:08:27,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:08:27,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:08:27,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (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 [2018-09-18 10:08:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:08:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:08:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:08:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:08:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:08:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:08:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:08:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:08:30,998 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:08:30,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:08:30 BoogieIcfgContainer [2018-09-18 10:08:30,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:08:31,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:08:31,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:08:31,009 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:08:31,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:08:26" (1/3) ... [2018-09-18 10:08:31,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:08:31, skipping insertion in model container [2018-09-18 10:08:31,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:08:27" (2/3) ... [2018-09-18 10:08:31,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c97f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:08:31, skipping insertion in model container [2018-09-18 10:08:31,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:08:30" (3/3) ... [2018-09-18 10:08:31,016 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label06_true-unreach-call_false-termination.c [2018-09-18 10:08:31,026 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:08:31,038 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:08:31,093 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:08:31,094 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:08:31,094 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:08:31,094 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:08:31,094 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:08:31,094 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:08:31,095 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:08:31,095 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:08:31,095 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:08:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-18 10:08:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-18 10:08:31,141 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:31,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:31,144 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:31,150 INFO L82 PathProgramCache]: Analyzing trace with hash -247147345, now seen corresponding path program 1 times [2018-09-18 10:08:31,153 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:31,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:31,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:31,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:31,203 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:31,935 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:31,935 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:08:31,936 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:31,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:08:31,961 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:08:31,962 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:08:31,965 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-09-18 10:08:33,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:33,628 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-09-18 10:08:33,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:08:33,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-09-18 10:08:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:33,653 INFO L225 Difference]: With dead ends: 621 [2018-09-18 10:08:33,653 INFO L226 Difference]: Without dead ends: 382 [2018-09-18 10:08:33,660 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:08:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-09-18 10:08:33,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-09-18 10:08:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-09-18 10:08:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-09-18 10:08:33,743 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 147 [2018-09-18 10:08:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:33,745 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-09-18 10:08:33,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:08:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-09-18 10:08:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-18 10:08:33,754 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:33,754 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:33,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:33,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1882359938, now seen corresponding path program 1 times [2018-09-18 10:08:33,755 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:33,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:33,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:33,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:33,757 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:34,169 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:34,169 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:08:34,169 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:34,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:08:34,172 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:08:34,172 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:34,172 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-09-18 10:08:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:35,672 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-09-18 10:08:35,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:08:35,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-09-18 10:08:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:35,678 INFO L225 Difference]: With dead ends: 903 [2018-09-18 10:08:35,678 INFO L226 Difference]: Without dead ends: 381 [2018-09-18 10:08:35,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:35,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-09-18 10:08:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-09-18 10:08:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-09-18 10:08:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-09-18 10:08:35,713 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 156 [2018-09-18 10:08:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:35,714 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-09-18 10:08:35,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:08:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-09-18 10:08:35,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-18 10:08:35,718 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:35,718 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:35,718 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:35,719 INFO L82 PathProgramCache]: Analyzing trace with hash 337215758, now seen corresponding path program 1 times [2018-09-18 10:08:35,719 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:35,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:35,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:35,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:35,721 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:36,219 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-09-18 10:08:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:36,403 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:36,403 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:08:36,403 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:36,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:08:36,404 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:08:36,404 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:36,405 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-09-18 10:08:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:38,023 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-09-18 10:08:38,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:08:38,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2018-09-18 10:08:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:38,030 INFO L225 Difference]: With dead ends: 901 [2018-09-18 10:08:38,031 INFO L226 Difference]: Without dead ends: 380 [2018-09-18 10:08:38,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:38,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-09-18 10:08:38,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-09-18 10:08:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-18 10:08:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-09-18 10:08:38,055 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 162 [2018-09-18 10:08:38,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:38,055 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-09-18 10:08:38,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:08:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-09-18 10:08:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-18 10:08:38,059 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:38,059 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:38,060 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1461325531, now seen corresponding path program 1 times [2018-09-18 10:08:38,060 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:38,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:38,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:38,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:38,062 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:38,273 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:38,273 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:08:38,273 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:38,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:08:38,274 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:08:38,274 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:08:38,274 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-09-18 10:08:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:41,391 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-09-18 10:08:41,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:08:41,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-09-18 10:08:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:41,397 INFO L225 Difference]: With dead ends: 1193 [2018-09-18 10:08:41,398 INFO L226 Difference]: Without dead ends: 819 [2018-09-18 10:08:41,400 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:08:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-09-18 10:08:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-09-18 10:08:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-09-18 10:08:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-09-18 10:08:41,440 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 170 [2018-09-18 10:08:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:41,440 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-09-18 10:08:41,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:08:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-09-18 10:08:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-18 10:08:41,445 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:41,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:41,446 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:41,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2126959959, now seen corresponding path program 1 times [2018-09-18 10:08:41,446 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:41,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:41,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:41,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:41,448 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:41,774 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:41,774 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:08:41,774 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:41,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:08:41,775 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:08:41,775 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:41,775 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-09-18 10:08:43,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:43,052 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-09-18 10:08:43,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:08:43,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-09-18 10:08:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:43,058 INFO L225 Difference]: With dead ends: 1753 [2018-09-18 10:08:43,058 INFO L226 Difference]: Without dead ends: 804 [2018-09-18 10:08:43,062 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-09-18 10:08:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-09-18 10:08:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-09-18 10:08:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-09-18 10:08:43,087 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 172 [2018-09-18 10:08:43,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:43,087 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-09-18 10:08:43,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:08:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-09-18 10:08:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-18 10:08:43,092 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:43,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:43,093 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:43,093 INFO L82 PathProgramCache]: Analyzing trace with hash 443683885, now seen corresponding path program 1 times [2018-09-18 10:08:43,093 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:43,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:43,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:43,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:43,094 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:43,439 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:43,439 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:08:43,439 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:43,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:08:43,440 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:08:43,440 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:43,441 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-09-18 10:08:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:44,399 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-09-18 10:08:44,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:08:44,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2018-09-18 10:08:44,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:44,405 INFO L225 Difference]: With dead ends: 1747 [2018-09-18 10:08:44,405 INFO L226 Difference]: Without dead ends: 801 [2018-09-18 10:08:44,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:08:44,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-09-18 10:08:44,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-09-18 10:08:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-09-18 10:08:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-09-18 10:08:44,431 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 174 [2018-09-18 10:08:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:44,432 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-09-18 10:08:44,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:08:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-09-18 10:08:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-18 10:08:44,436 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:44,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:44,437 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:44,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1771723, now seen corresponding path program 1 times [2018-09-18 10:08:44,437 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:44,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:44,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:44,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:44,439 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:44,612 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:08:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:44,650 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:08:44,650 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:08:44,650 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:44,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:08:44,652 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:08:44,652 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:08:44,653 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-09-18 10:08:46,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:46,707 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-09-18 10:08:46,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:08:46,717 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-09-18 10:08:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:46,729 INFO L225 Difference]: With dead ends: 2381 [2018-09-18 10:08:46,729 INFO L226 Difference]: Without dead ends: 1586 [2018-09-18 10:08:46,734 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:08:46,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-09-18 10:08:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-09-18 10:08:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-09-18 10:08:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-09-18 10:08:46,795 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 178 [2018-09-18 10:08:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:46,795 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-09-18 10:08:46,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:08:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-09-18 10:08:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-18 10:08:46,803 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:46,803 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:46,803 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:46,804 INFO L82 PathProgramCache]: Analyzing trace with hash 161380030, now seen corresponding path program 1 times [2018-09-18 10:08:46,804 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:46,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:46,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:46,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:46,805 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:47,217 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:47,217 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 [2018-09-18 10:08:47,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:47,226 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:47,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:47,444 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:47,996 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:08:47,996 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-09-18 10:08:47,996 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:47,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:08:47,997 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:08:47,998 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:08:47,998 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 3 states. [2018-09-18 10:08:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:50,298 INFO L93 Difference]: Finished difference Result 4565 states and 6657 transitions. [2018-09-18 10:08:50,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:08:50,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-09-18 10:08:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:50,315 INFO L225 Difference]: With dead ends: 4565 [2018-09-18 10:08:50,315 INFO L226 Difference]: Without dead ends: 3013 [2018-09-18 10:08:50,324 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:08:50,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2018-09-18 10:08:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3008. [2018-09-18 10:08:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3008 states. [2018-09-18 10:08:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 3992 transitions. [2018-09-18 10:08:50,402 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 3992 transitions. Word has length 184 [2018-09-18 10:08:50,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:50,403 INFO L480 AbstractCegarLoop]: Abstraction has 3008 states and 3992 transitions. [2018-09-18 10:08:50,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:08:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3992 transitions. [2018-09-18 10:08:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-09-18 10:08:50,415 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:50,415 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:50,415 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:50,415 INFO L82 PathProgramCache]: Analyzing trace with hash -2112487449, now seen corresponding path program 1 times [2018-09-18 10:08:50,416 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:50,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:50,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:50,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:50,417 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:50,608 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:50,608 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:08:50,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:50,617 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:50,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-09-18 10:08:50,908 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-09-18 10:08:51,161 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:08:51,162 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-18 10:08:51,162 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:08:51,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:08:51,163 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:08:51,163 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-18 10:08:51,163 INFO L87 Difference]: Start difference. First operand 3008 states and 3992 transitions. Second operand 3 states. [2018-09-18 10:08:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:52,239 INFO L93 Difference]: Finished difference Result 6949 states and 9284 transitions. [2018-09-18 10:08:52,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:08:52,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2018-09-18 10:08:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:52,258 INFO L225 Difference]: With dead ends: 6949 [2018-09-18 10:08:52,258 INFO L226 Difference]: Without dead ends: 3947 [2018-09-18 10:08:52,270 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 424 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-18 10:08:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2018-09-18 10:08:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3942. [2018-09-18 10:08:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3942 states. [2018-09-18 10:08:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 4805 transitions. [2018-09-18 10:08:52,354 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 4805 transitions. Word has length 213 [2018-09-18 10:08:52,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:52,355 INFO L480 AbstractCegarLoop]: Abstraction has 3942 states and 4805 transitions. [2018-09-18 10:08:52,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:08:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 4805 transitions. [2018-09-18 10:08:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-18 10:08:52,370 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:52,371 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:52,371 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:52,371 INFO L82 PathProgramCache]: Analyzing trace with hash -956666631, now seen corresponding path program 1 times [2018-09-18 10:08:52,372 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:52,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:52,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:52,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:52,373 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:52,668 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:52,668 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 [2018-09-18 10:08:52,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:52,676 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:52,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:52,814 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:53,045 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:53,046 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 [2018-09-18 10:08:53,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:53,061 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:53,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:53,432 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:54,003 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:08:54,003 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 8] total 12 [2018-09-18 10:08:54,003 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:08:54,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:08:54,004 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:08:54,004 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-18 10:08:54,004 INFO L87 Difference]: Start difference. First operand 3942 states and 4805 transitions. Second operand 6 states. [2018-09-18 10:08:55,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:08:55,165 INFO L93 Difference]: Finished difference Result 7851 states and 9707 transitions. [2018-09-18 10:08:55,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:08:55,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-09-18 10:08:55,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:08:55,187 INFO L225 Difference]: With dead ends: 7851 [2018-09-18 10:08:55,187 INFO L226 Difference]: Without dead ends: 3915 [2018-09-18 10:08:55,202 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 920 GetRequests, 902 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2018-09-18 10:08:55,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2018-09-18 10:08:55,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3718. [2018-09-18 10:08:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3718 states. [2018-09-18 10:08:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4310 transitions. [2018-09-18 10:08:55,295 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4310 transitions. Word has length 228 [2018-09-18 10:08:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:08:55,296 INFO L480 AbstractCegarLoop]: Abstraction has 3718 states and 4310 transitions. [2018-09-18 10:08:55,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:08:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4310 transitions. [2018-09-18 10:08:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-09-18 10:08:55,309 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:08:55,310 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:08:55,310 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:08:55,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1111459177, now seen corresponding path program 1 times [2018-09-18 10:08:55,311 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:08:55,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:55,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:55,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:08:55,312 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:08:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:55,585 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-09-18 10:08:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:08:55,920 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:55,920 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 [2018-09-18 10:08:55,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:55,928 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:56,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:56,184 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:56,654 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:08:56,654 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:08:56,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:08:56,671 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:08:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:08:56,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:08:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:57,353 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:08:57,512 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-18 10:08:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:08:57,957 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:08:57,958 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 5, 5] total 16 [2018-09-18 10:08:57,958 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:08:57,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-18 10:08:57,960 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-18 10:08:57,960 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-09-18 10:08:57,961 INFO L87 Difference]: Start difference. First operand 3718 states and 4310 transitions. Second operand 15 states. [2018-09-18 10:09:00,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:00,906 INFO L93 Difference]: Finished difference Result 8829 states and 10803 transitions. [2018-09-18 10:09:00,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-18 10:09:00,906 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 255 [2018-09-18 10:09:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:00,920 INFO L225 Difference]: With dead ends: 8829 [2018-09-18 10:09:00,921 INFO L226 Difference]: Without dead ends: 2879 [2018-09-18 10:09:00,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 1020 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=238, Invalid=574, Unknown=0, NotChecked=0, Total=812 [2018-09-18 10:09:00,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2018-09-18 10:09:01,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2687. [2018-09-18 10:09:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2687 states. [2018-09-18 10:09:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 3126 transitions. [2018-09-18 10:09:01,025 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 3126 transitions. Word has length 255 [2018-09-18 10:09:01,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:01,026 INFO L480 AbstractCegarLoop]: Abstraction has 2687 states and 3126 transitions. [2018-09-18 10:09:01,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-18 10:09:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3126 transitions. [2018-09-18 10:09:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-09-18 10:09:01,043 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:01,043 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:01,043 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash 641913708, now seen corresponding path program 1 times [2018-09-18 10:09:01,044 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:01,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:01,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:01,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:01,045 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 253 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:01,432 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:01,432 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:09:01,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:01,440 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:01,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:02,193 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-18 10:09:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-18 10:09:02,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-18 10:09:02,867 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:02,867 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 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:09:02,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:02,883 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:03,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:03,549 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-09-18 10:09:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 281 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:03,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 246 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:03,985 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:09:03,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5, 8, 8] total 20 [2018-09-18 10:09:03,986 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:09:03,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-18 10:09:03,987 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-18 10:09:03,987 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-09-18 10:09:03,988 INFO L87 Difference]: Start difference. First operand 2687 states and 3126 transitions. Second operand 13 states. [2018-09-18 10:09:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:08,458 INFO L93 Difference]: Finished difference Result 5552 states and 6595 transitions. [2018-09-18 10:09:08,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-18 10:09:08,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 313 [2018-09-18 10:09:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:08,460 INFO L225 Difference]: With dead ends: 5552 [2018-09-18 10:09:08,460 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:09:08,484 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1305 GetRequests, 1257 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=422, Invalid=1384, Unknown=0, NotChecked=0, Total=1806 [2018-09-18 10:09:08,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:09:08,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:09:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:09:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:09:08,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 313 [2018-09-18 10:09:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:08,485 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:09:08,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-18 10:09:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:09:08,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:09:08,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:09:08,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,836 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 117 [2018-09-18 10:09:08,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:08,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:09,002 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 117 [2018-09-18 10:09:09,203 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-18 10:09:09,899 WARN L178 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2018-09-18 10:09:12,205 WARN L178 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 151 DAG size of output: 88 [2018-09-18 10:09:13,372 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2018-09-18 10:09:14,413 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2018-09-18 10:09:14,416 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:09:14,417 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-09-18 10:09:14,417 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:09:14,417 INFO L426 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,417 INFO L426 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,417 INFO L426 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,417 INFO L426 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-09-18 10:09:14,418 INFO L426 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,419 INFO L426 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-09-18 10:09:14,420 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-09-18 10:09:14,421 INFO L426 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-09-18 10:09:14,422 INFO L426 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-09-18 10:09:14,423 INFO L426 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,424 INFO L426 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-09-18 10:09:14,425 INFO L426 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 592) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-09-18 10:09:14,426 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,427 INFO L426 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,428 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-09-18 10:09:14,429 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,430 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-09-18 10:09:14,431 INFO L426 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,432 INFO L426 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-09-18 10:09:14,433 INFO L426 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,434 INFO L426 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,435 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a19~0)|)) (.cse28 (= 7 ~a17~0)) (.cse22 (= |old(~a25~0)| ~a25~0)) (.cse29 (not (= ~a11~0 1))) (.cse2 (= |old(~a28~0)| ~a28~0)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= 1 |old(~a25~0)|)) (.cse10 (= 1 |old(~a11~0)|))) (let ((.cse16 (not (= 8 |old(~a17~0)|))) (.cse19 (= 8 ~a17~0)) (.cse15 (not (= 7 |old(~a28~0)|))) (.cse21 (not .cse10)) (.cse17 (= 7 ~a28~0)) (.cse18 (= 1 ~a11~0)) (.cse20 (= 1 ~a19~0)) (.cse23 (not (= 10 |old(~a28~0)|))) (.cse11 (not .cse9)) (.cse12 (and .cse29 .cse2 .cse3 .cse4 .cse5)) (.cse8 (not (= |old(~a17~0)| 8))) (.cse13 (and .cse2 .cse3 .cse4 .cse29 .cse5)) (.cse25 (< 0 |old(~a19~0)|)) (.cse26 (and .cse2 .cse28 .cse22 .cse4)) (.cse0 (not (= 1 ~a21~0))) (.cse1 (< 9 |old(~a28~0)|)) (.cse6 (not .cse14)) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse24 (= 9 |old(~a28~0)|)) (.cse27 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse11 .cse6 .cse8 .cse12) (or .cse0 .cse10 .cse13 .cse6 .cse7 .cse8) (or .cse14 .cse0 .cse15 .cse16 (and .cse17 (not (= ~a25~0 1)) .cse18 .cse19 (not .cse20)) .cse21 .cse9) (or (and .cse18 .cse19 .cse20 .cse22 (= 10 ~a28~0)) .cse0 .cse23 .cse11 .cse6 .cse16 .cse21) (or .cse0 .cse10 .cse1 .cse24 .cse8 .cse25 .cse13 .cse9) (or .cse0 .cse7 .cse26 .cse25 .cse9 .cse27) (or .cse0 .cse11 .cse6 .cse16 (and .cse18 (= 1 ~a25~0) (= 9 ~a28~0) .cse19 .cse20) (not .cse24) .cse21) (or .cse0 .cse15 .cse11 .cse6 .cse21 (and .cse17 .cse18 .cse28 .cse20 .cse22) .cse27) (or .cse0 .cse10 .cse23 .cse11 .cse12 .cse8 .cse25) (or .cse0 .cse1 .cse26 .cse7 .cse25 .cse27) (or .cse0 .cse10 .cse1 .cse7 .cse29 .cse25 .cse27) (or .cse0 .cse10 .cse1 .cse6 .cse7 .cse24 .cse9 .cse13) (or (or .cse0 .cse10 .cse1 .cse7 .cse24 .cse8 .cse25) .cse13) (or .cse0 .cse10 .cse6 (and .cse2 .cse28 .cse22 .cse4 .cse29) .cse7 .cse24 .cse9 .cse27) (or .cse0 .cse10 .cse7 .cse29 .cse25 .cse9 .cse27) (or .cse26 .cse0 .cse1 .cse6 .cse7 .cse24 .cse9 .cse27)))) [2018-09-18 10:09:14,435 INFO L426 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,435 INFO L426 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,435 INFO L426 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,435 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-09-18 10:09:14,436 INFO L426 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,437 INFO L426 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-09-18 10:09:14,438 INFO L426 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,439 INFO L426 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-09-18 10:09:14,440 INFO L426 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:09:14,441 INFO L426 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:09:14,442 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-09-18 10:09:14,442 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-09-18 10:09:14,442 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:09:14,442 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) (= 1 ~a19~0) (= ~a21~0 1) (<= ~a28~0 9) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-09-18 10:09:14,442 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:09:14,442 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:09:14,442 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (= 9 |old(~a28~0)|) (= 1 |old(~a25~0)|) (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (not (= ~a11~0 1)) (= ~a25~0 |old(~a25~0)|))) [2018-09-18 10:09:14,443 INFO L426 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-09-18 10:09:14,443 INFO L422 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a25~0 1))) (let ((.cse14 (= |old(~a28~0)| ~a28~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (<= ~a28~0 9)) (.cse9 (= 7 ~a28~0)) (.cse10 (= 1 ~a11~0)) (.cse13 (= 8 ~a17~0)) (.cse2 (not (= ~a28~0 ~a17~0))) (.cse16 (not .cse8)) (.cse11 (= 7 ~a17~0)) (.cse7 (= 1 ~a19~0)) (.cse6 (not (= ~a28~0 9))) (.cse0 (= |old(~a17~0)| 8)) (.cse1 (<= ~a19~0 0)) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse12 (= 1 ~a25~0)) (.cse17 (= 10 ~a28~0)) (.cse5 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 ~a21~0)) (and .cse0 .cse3 (and .cse7 .cse5) .cse8) (and .cse0 .cse2 .cse3 .cse7 .cse5) (and .cse9 .cse10 .cse11 .cse12 .cse7) (and .cse10 .cse12 (= 9 ~a28~0) .cse13 .cse7) (and .cse14 .cse15 .cse7 .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse1 .cse16 .cse3 .cse5 .cse4 .cse6) (and .cse0 .cse2 .cse16 .cse3 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse11 .cse4) (= 9 |old(~a28~0)|) (and .cse14 .cse15 .cse16 .cse11 .cse7 .cse5) (not (= 1 |old(~a19~0)|)) (and .cse10 .cse12 .cse13 .cse7 .cse17) (and .cse0 .cse1 .cse2 .cse16 .cse11) (and .cse0 .cse2 .cse16 .cse11 .cse7 .cse4 .cse6) (and .cse9 .cse16 .cse10 .cse13 (not .cse7)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse2 .cse16 .cse11 .cse7 .cse5 .cse6) (< 9 |old(~a28~0)|) (and .cse0 .cse1 .cse3 .cse12 .cse17 .cse5)))) [2018-09-18 10:09:14,443 INFO L426 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:09:14,443 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:09:14,443 INFO L422 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse8 (= ~a25~0 1))) (let ((.cse14 (= |old(~a28~0)| ~a28~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (<= ~a28~0 9)) (.cse9 (= 7 ~a28~0)) (.cse10 (= 1 ~a11~0)) (.cse13 (= 8 ~a17~0)) (.cse2 (not (= ~a28~0 ~a17~0))) (.cse16 (not .cse8)) (.cse11 (= 7 ~a17~0)) (.cse7 (= 1 ~a19~0)) (.cse6 (not (= ~a28~0 9))) (.cse0 (= |old(~a17~0)| 8)) (.cse1 (<= ~a19~0 0)) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse12 (= 1 ~a25~0)) (.cse17 (= 10 ~a28~0)) (.cse5 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 ~a21~0)) (and .cse0 .cse3 (and .cse7 .cse5) .cse8) (and .cse0 .cse2 .cse3 .cse7 .cse5) (and .cse9 .cse10 .cse11 .cse12 .cse7) (and .cse10 .cse12 (= 9 ~a28~0) .cse13 .cse7) (and .cse14 .cse15 .cse7 .cse5 (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse1 .cse16 .cse3 .cse5 .cse4 .cse6) (and .cse0 .cse2 .cse16 .cse3 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse11 .cse4) (= 9 |old(~a28~0)|) (and .cse14 .cse15 .cse16 .cse11 .cse7 .cse5) (not (= 1 |old(~a19~0)|)) (and .cse10 .cse12 .cse13 .cse7 .cse17) (and .cse0 .cse1 .cse2 .cse16 .cse11) (and .cse0 .cse2 .cse16 .cse11 .cse7 .cse4 .cse6) (and .cse9 .cse16 .cse10 .cse13 (not .cse7)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse2 .cse16 .cse11 .cse7 .cse5 .cse6) (< 9 |old(~a28~0)|) (and .cse0 .cse1 .cse3 .cse12 .cse17 .cse5)))) [2018-09-18 10:09:14,444 INFO L426 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-09-18 10:09:14,444 INFO L426 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-09-18 10:09:14,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:09:14 BoogieIcfgContainer [2018-09-18 10:09:14,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:09:14,480 INFO L168 Benchmark]: Toolchain (without parser) took 47929.44 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -571.2 MB). Peak memory consumption was 799.9 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:14,481 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:09:14,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:14,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:09:14,486 INFO L168 Benchmark]: Boogie Preprocessor took 220.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:14,489 INFO L168 Benchmark]: RCFGBuilder took 3413.55 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:14,490 INFO L168 Benchmark]: TraceAbstraction took 43473.49 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 605.0 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 132.4 MB). Peak memory consumption was 737.4 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:14,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 220.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3413.55 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43473.49 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 605.0 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 132.4 MB). Peak memory consumption was 737.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 592]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((\old(a17) == 8 && a19 <= 0) && !(a28 == a17)) && \old(a17) == a17) && a28 <= 9) && !(a11 == 1)) && !(a28 == 9)) || !(1 == a21)) || (((\old(a17) == 8 && \old(a17) == a17) && 1 == a19 && !(a11 == 1)) && a25 == 1)) || ((((\old(a17) == 8 && !(a28 == a17)) && \old(a17) == a17) && 1 == a19) && !(a11 == 1))) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || ((((\old(a28) == a28 && a17 == \old(a17)) && 1 == a19) && !(a11 == 1)) && a25 == \old(a25))) || ((((((\old(a17) == 8 && a19 <= 0) && !(a25 == 1)) && \old(a17) == a17) && !(a11 == 1)) && a28 <= 9) && !(a28 == 9))) || (((((\old(a17) == 8 && !(a28 == a17)) && !(a25 == 1)) && \old(a17) == a17) && 1 == a19) && a28 <= 9)) || ((((\old(a17) == 8 && a19 <= 0) && !(a28 == a17)) && 7 == a17) && a28 <= 9)) || 9 == \old(a28)) || (((((\old(a28) == a28 && a17 == \old(a17)) && !(a25 == 1)) && 7 == a17) && 1 == a19) && !(a11 == 1))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || ((((\old(a17) == 8 && a19 <= 0) && !(a28 == a17)) && !(a25 == 1)) && 7 == a17)) || ((((((\old(a17) == 8 && !(a28 == a17)) && !(a25 == 1)) && 7 == a17) && 1 == a19) && a28 <= 9) && !(a28 == 9))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || 1 == \old(a25)) || 1 == \old(a11)) || \old(a17) == \old(a28)) || ((((((\old(a17) == 8 && !(a28 == a17)) && !(a25 == 1)) && 7 == a17) && 1 == a19) && !(a11 == 1)) && !(a28 == 9))) || 9 < \old(a28)) || (((((\old(a17) == 8 && a19 <= 0) && \old(a17) == a17) && 1 == a25) && 10 == a28) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 43.3s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 24.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1641 SDtfs, 8423 SDslu, 1398 SDs, 0 SdLazy, 13046 SolverSat, 2163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4146 GetRequests, 3995 SyntacticMatches, 32 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3942occurred in iteration=9, 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: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 439 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 200 PreInvPairs, 352 NumberOfFragments, 1409 HoareAnnotationTreeSize, 200 FomulaSimplifications, 8930 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4786 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 4341 NumberOfCodeBlocks, 4341 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6302 ConstructedInterpolants, 0 QuantifiedInterpolants, 5647464 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4213 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 28 InterpolantComputations, 11 PerfectInterpolantSequences, 2951/3110 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/Problem02_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-09-14-538.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-09-14-538.csv Received shutdown request...