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_label53_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:10:00,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:10:00,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:10:00,526 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:10:00,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:10:00,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:10:00,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:10:00,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:10:00,536 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:10:00,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:10:00,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:10:00,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:10:00,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:10:00,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:10:00,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:10:00,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:10:00,551 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:10:00,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:10:00,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:10:00,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:10:00,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:10:00,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:10:00,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 10:10:00,584 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 10:10:00,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:10:00,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:10:00,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:10:00,616 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:10:00,616 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:10:00,616 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:10:00,616 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:10:00,617 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:10:00,617 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:10:00,617 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:10:00,617 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:10:00,617 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:10:00,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:10:00,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:10:00,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:10:00,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:10:00,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:10:00,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:10:00,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:10:00,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:10:00,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:10:00,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:10:00,620 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:10:00,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:10:00,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:10:00,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:10:00,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:10:00,621 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:10:00,621 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:10:00,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:10:00,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:10:00,622 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:10:00,622 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:10:00,622 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:10:00,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:10:00,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:10:00,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:10:00,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:10:00,696 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:10:00,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-09-18 10:10:01,086 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78bc4acb/57852651167a43d2b4033459897e1cc0/FLAG96645a900 [2018-09-18 10:10:01,356 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:10:01,357 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-09-18 10:10:01,372 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78bc4acb/57852651167a43d2b4033459897e1cc0/FLAG96645a900 [2018-09-18 10:10:01,387 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78bc4acb/57852651167a43d2b4033459897e1cc0 [2018-09-18 10:10:01,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:10:01,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:10:01,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:10:01,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:10:01,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:10:01,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:10:01" (1/1) ... [2018-09-18 10:10:01,414 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 10:10:01, skipping insertion in model container [2018-09-18 10:10:01,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:10:01" (1/1) ... [2018-09-18 10:10:01,426 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:10:01,951 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:10:01,980 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:10:02,129 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:10:02,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02 WrapperNode [2018-09-18 10:10:02,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:10:02,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:10:02,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:10:02,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:10:02,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:10:02,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:10:02,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:10:02,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:10:02,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (1/1) ... [2018-09-18 10:10:02,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:10:02,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:10:02,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:10:02,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:10:02,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (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 10:10:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:10:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:10:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:10:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:10:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:10:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:10:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:10:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:10:05,951 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:10:05,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:10:05 BoogieIcfgContainer [2018-09-18 10:10:05,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:10:05,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:10:05,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:10:05,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:10:05,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:10:01" (1/3) ... [2018-09-18 10:10:05,958 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 10:10:05, skipping insertion in model container [2018-09-18 10:10:05,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:10:02" (2/3) ... [2018-09-18 10:10:05,958 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 10:10:05, skipping insertion in model container [2018-09-18 10:10:05,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:10:05" (3/3) ... [2018-09-18 10:10:05,965 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label53_true-unreach-call_false-termination.c [2018-09-18 10:10:05,978 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:10:05,988 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:10:06,055 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:10:06,056 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:10:06,056 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:10:06,057 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:10:06,057 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:10:06,057 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:10:06,057 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:10:06,057 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:10:06,057 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:10:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-18 10:10:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-18 10:10:06,101 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:06,102 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] [2018-09-18 10:10:06,104 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:06,108 INFO L82 PathProgramCache]: Analyzing trace with hash 151697799, now seen corresponding path program 1 times [2018-09-18 10:10:06,111 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:06,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:06,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:06,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:06,162 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:06,772 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:10:06,922 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 10:10:06,924 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:06,924 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:10:06,924 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:06,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:10:06,949 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:10:06,949 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:10:06,953 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-09-18 10:10:08,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:08,277 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-09-18 10:10:08,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:10:08,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-09-18 10:10:08,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:08,301 INFO L225 Difference]: With dead ends: 621 [2018-09-18 10:10:08,301 INFO L226 Difference]: Without dead ends: 382 [2018-09-18 10:10:08,308 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:10:08,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-09-18 10:10:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-09-18 10:10:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-09-18 10:10:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-09-18 10:10:08,392 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 145 [2018-09-18 10:10:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:08,394 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-09-18 10:10:08,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:10:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-09-18 10:10:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-18 10:10:08,401 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:08,401 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] [2018-09-18 10:10:08,402 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash 627656218, now seen corresponding path program 1 times [2018-09-18 10:10:08,402 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:08,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:08,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:08,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:08,404 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:08,814 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 10:10:08,814 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:08,814 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:10:08,815 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:08,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:10:08,817 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:10:08,817 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:10:08,818 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-09-18 10:10:10,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:10,366 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-09-18 10:10:10,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:10:10,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-09-18 10:10:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:10,373 INFO L225 Difference]: With dead ends: 903 [2018-09-18 10:10:10,373 INFO L226 Difference]: Without dead ends: 381 [2018-09-18 10:10:10,379 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 10:10:10,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-09-18 10:10:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-09-18 10:10:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-09-18 10:10:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-09-18 10:10:10,409 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 154 [2018-09-18 10:10:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:10,409 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-09-18 10:10:10,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:10:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-09-18 10:10:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-18 10:10:10,413 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:10,413 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] [2018-09-18 10:10:10,414 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:10,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1014173274, now seen corresponding path program 1 times [2018-09-18 10:10:10,414 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:10,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:10,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:10,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:10,416 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:11,122 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-09-18 10:10:11,271 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 10:10:11,271 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:11,271 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:10:11,272 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:11,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:10:11,273 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:10:11,273 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:10:11,273 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-09-18 10:10:13,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:13,032 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-09-18 10:10:13,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:10:13,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-09-18 10:10:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:13,037 INFO L225 Difference]: With dead ends: 901 [2018-09-18 10:10:13,037 INFO L226 Difference]: Without dead ends: 380 [2018-09-18 10:10:13,040 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:10:13,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-09-18 10:10:13,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-09-18 10:10:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-18 10:10:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-09-18 10:10:13,061 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 160 [2018-09-18 10:10:13,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:13,061 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-09-18 10:10:13,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:10:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-09-18 10:10:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-18 10:10:13,064 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:13,064 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] [2018-09-18 10:10:13,065 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:13,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1544846205, now seen corresponding path program 1 times [2018-09-18 10:10:13,065 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:13,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:13,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:13,067 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:13,259 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:10:13,294 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 10:10:13,295 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:13,295 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:10:13,295 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:13,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:10:13,296 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:10:13,296 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:10:13,296 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-09-18 10:10:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:16,049 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-09-18 10:10:16,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:10:16,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-09-18 10:10:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:16,056 INFO L225 Difference]: With dead ends: 1193 [2018-09-18 10:10:16,056 INFO L226 Difference]: Without dead ends: 819 [2018-09-18 10:10:16,058 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:10:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-09-18 10:10:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-09-18 10:10:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-09-18 10:10:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-09-18 10:10:16,097 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 168 [2018-09-18 10:10:16,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:16,098 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-09-18 10:10:16,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:10:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-09-18 10:10:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-18 10:10:16,102 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:16,103 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] [2018-09-18 10:10:16,103 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash -869251583, now seen corresponding path program 1 times [2018-09-18 10:10:16,103 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:16,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:16,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:16,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:16,105 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:16,410 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 10:10:16,411 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:16,411 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:10:16,411 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:16,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:10:16,411 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:10:16,412 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:10:16,412 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-09-18 10:10:17,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:17,473 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-09-18 10:10:17,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:10:17,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-09-18 10:10:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:17,483 INFO L225 Difference]: With dead ends: 1753 [2018-09-18 10:10:17,483 INFO L226 Difference]: Without dead ends: 804 [2018-09-18 10:10:17,487 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 10:10:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-09-18 10:10:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-09-18 10:10:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-09-18 10:10:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-09-18 10:10:17,512 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 170 [2018-09-18 10:10:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:17,513 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-09-18 10:10:17,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:10:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-09-18 10:10:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-18 10:10:17,517 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:17,517 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] [2018-09-18 10:10:17,518 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:17,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1524482181, now seen corresponding path program 1 times [2018-09-18 10:10:17,518 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:17,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:17,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:17,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:17,519 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:17,903 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-18 10:10:18,129 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 10:10:18,234 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 10:10:18,234 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:18,235 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:10:18,235 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:18,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:10:18,236 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:10:18,236 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:10:18,236 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-09-18 10:10:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:19,695 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-09-18 10:10:19,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:10:19,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-09-18 10:10:19,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:19,710 INFO L225 Difference]: With dead ends: 1747 [2018-09-18 10:10:19,710 INFO L226 Difference]: Without dead ends: 801 [2018-09-18 10:10:19,714 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 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 10:10:19,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-09-18 10:10:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-09-18 10:10:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-09-18 10:10:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-09-18 10:10:19,748 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 172 [2018-09-18 10:10:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:19,748 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-09-18 10:10:19,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:10:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-09-18 10:10:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-18 10:10:19,754 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:19,754 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] [2018-09-18 10:10:19,755 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:19,756 INFO L82 PathProgramCache]: Analyzing trace with hash 406701453, now seen corresponding path program 1 times [2018-09-18 10:10:19,756 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:19,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:19,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:19,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:19,757 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:19,952 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 10:10:19,952 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:10:19,952 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:10:19,952 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:19,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:10:19,953 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:10:19,953 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:10:19,954 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-09-18 10:10:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:21,796 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-09-18 10:10:21,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:10:21,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-09-18 10:10:21,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:21,807 INFO L225 Difference]: With dead ends: 2381 [2018-09-18 10:10:21,807 INFO L226 Difference]: Without dead ends: 1586 [2018-09-18 10:10:21,812 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 10:10:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-09-18 10:10:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-09-18 10:10:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-09-18 10:10:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-09-18 10:10:21,864 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 176 [2018-09-18 10:10:21,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:21,865 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-09-18 10:10:21,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:10:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-09-18 10:10:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-18 10:10:21,874 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:21,875 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] [2018-09-18 10:10:21,875 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash 337466047, now seen corresponding path program 1 times [2018-09-18 10:10:21,875 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:21,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:21,877 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:22,053 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 10:10:22,053 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:10:22,054 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 10:10:22,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:22,063 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:10:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:22,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:10:22,427 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 10:10:22,427 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:10:22,937 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 10:10:22,971 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:10:22,971 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-18 10:10:22,971 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:22,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:10:22,972 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:10:22,972 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-18 10:10:22,973 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 3 states. [2018-09-18 10:10:25,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:25,100 INFO L93 Difference]: Finished difference Result 4404 states and 6468 transitions. [2018-09-18 10:10:25,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:10:25,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-09-18 10:10:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:25,109 INFO L225 Difference]: With dead ends: 4404 [2018-09-18 10:10:25,109 INFO L226 Difference]: Without dead ends: 1396 [2018-09-18 10:10:25,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-18 10:10:25,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2018-09-18 10:10:25,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1396. [2018-09-18 10:10:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2018-09-18 10:10:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1807 transitions. [2018-09-18 10:10:25,162 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1807 transitions. Word has length 211 [2018-09-18 10:10:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:25,162 INFO L480 AbstractCegarLoop]: Abstraction has 1396 states and 1807 transitions. [2018-09-18 10:10:25,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:10:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1807 transitions. [2018-09-18 10:10:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-09-18 10:10:25,169 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:10:25,169 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:25,170 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:10:25,170 INFO L82 PathProgramCache]: Analyzing trace with hash -887145837, now seen corresponding path program 1 times [2018-09-18 10:10:25,170 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:10:25,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:25,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:25,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:10:25,171 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:10:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 109 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-09-18 10:10:25,481 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:10:25,481 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 10:10:25,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:25,490 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:10:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:25,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:10:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:10:25,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:10:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:10:26,572 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:10:26,572 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 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:10:26,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:10:26,589 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:10:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:10:26,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:10:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-18 10:10:27,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:10:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-09-18 10:10:27,933 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-18 10:10:27,933 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 5] total 15 [2018-09-18 10:10:27,933 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:10:27,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:10:27,935 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:10:27,935 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-09-18 10:10:27,935 INFO L87 Difference]: Start difference. First operand 1396 states and 1807 transitions. Second operand 5 states. [2018-09-18 10:10:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:10:28,553 INFO L93 Difference]: Finished difference Result 2628 states and 3373 transitions. [2018-09-18 10:10:28,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:10:28,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2018-09-18 10:10:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:10:28,554 INFO L225 Difference]: With dead ends: 2628 [2018-09-18 10:10:28,554 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:10:28,560 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 981 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-09-18 10:10:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:10:28,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:10:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:10:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:10:28,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2018-09-18 10:10:28,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:10:28,566 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:10:28,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:10:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:10:28,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:10:28,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:10:28,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:10:28,796 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-18 10:10:29,395 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2018-09-18 10:10:30,711 WARN L178 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2018-09-18 10:10:30,976 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2018-09-18 10:10:30,979 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:10:30,980 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (or (not (= ~a17~0 9)) (= 9 |old(~a17~0)|)) (= |old(~a25~0)| ~a25~0)) [2018-09-18 10:10:30,980 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:10:30,980 INFO L426 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,980 INFO L426 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,980 INFO L426 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-09-18 10:10:30,981 INFO L426 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-09-18 10:10:30,982 INFO L426 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-09-18 10:10:30,983 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,984 INFO L426 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-09-18 10:10:30,985 INFO L426 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,986 INFO L426 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-09-18 10:10:30,987 INFO L426 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-09-18 10:10:30,988 INFO L426 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-09-18 10:10:30,989 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:10:30,990 INFO L426 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-09-18 10:10:30,991 INFO L426 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,992 INFO L426 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-09-18 10:10:30,993 INFO L426 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,994 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-09-18 10:10:30,995 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,996 INFO L426 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (= |old(~a28~0)| ~a28~0)) (.cse16 (= |old(~a25~0)| ~a25~0)) (.cse17 (not (= ~a17~0 9))) (.cse14 (= 1 |old(~a11~0)|)) (.cse13 (= 1 |old(~a19~0)|)) (.cse12 (= 1 |old(~a25~0)|))) (let ((.cse9 (not (= 7 |old(~a28~0)|))) (.cse4 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse6 (= 1 ~a19~0)) (.cse1 (not .cse12)) (.cse2 (not .cse13)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse8 (not .cse14)) (.cse7 (= 9 |old(~a28~0)|)) (.cse11 (= 9 |old(~a17~0)|)) (.cse10 (and .cse15 .cse16 .cse17)) (.cse0 (not (= 1 ~a21~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (= 1 ~a25~0) (= 9 ~a28~0) .cse5 .cse6) (not .cse7) .cse8) (or .cse0 .cse9 .cse1 .cse2 .cse8 (and .cse4 (= 7 ~a17~0) .cse6) (not (= 7 |old(~a17~0)|))) (or .cse10 .cse0 .cse11 .cse12) (or .cse13 .cse0 .cse9 .cse3 (and .cse4 .cse5 (not .cse6)) .cse8 .cse12) (or (and .cse4 .cse5 .cse6) .cse0 (not (= 10 |old(~a28~0)|)) .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse14 (and .cse15 .cse16 (not (= ~a11~0 1)) .cse17) .cse11) (or .cse0 .cse7 .cse11 .cse10) (or .cse0 (and .cse15 (<= ~a17~0 7) .cse16) (< 7 |old(~a17~0)|))))) [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-09-18 10:10:30,997 INFO L426 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,998 INFO L426 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:10:30,999 INFO L426 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-09-18 10:10:31,000 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-09-18 10:10:31,001 INFO L426 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:10:31,002 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9)) (not (= ~a17~0 9))) [2018-09-18 10:10:31,003 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:10:31,003 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:10:31,003 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)|) (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0) (not (= ~a11~0 1)) (not (= ~a17~0 9))) (= 9 |old(~a17~0)|) (= 1 |old(~a25~0)|)) [2018-09-18 10:10:31,003 INFO L426 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-09-18 10:10:31,003 INFO L422 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (not (= 1 ~a21~0)) (= 9 |old(~a28~0)|) (and (not (= ~a25~0 1)) .cse0) (<= ~a17~0 7) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (not (= ~a11~0 1)) .cse0) (and (= 8 ~a17~0) (= 1 ~a19~0)) (= 9 |old(~a17~0)|) (and (not (= ~a28~0 9)) .cse0))) [2018-09-18 10:10:31,003 INFO L426 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:10:31,003 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:10:31,004 INFO L422 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a17~0 9)))) (or (not (= 1 ~a21~0)) (= 9 |old(~a28~0)|) (and (not (= ~a25~0 1)) .cse0) (<= ~a17~0 7) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (not (= ~a11~0 1)) .cse0) (and (= 8 ~a17~0) (= 1 ~a19~0)) (= 9 |old(~a17~0)|) (and (not (= ~a28~0 9)) .cse0))) [2018-09-18 10:10:31,004 INFO L426 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-09-18 10:10:31,004 INFO L426 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-09-18 10:10:31,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:10:31 BoogieIcfgContainer [2018-09-18 10:10:31,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:10:31,021 INFO L168 Benchmark]: Toolchain (without parser) took 29621.61 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.7 MB). Peak memory consumption was 247.3 MB. Max. memory is 7.1 GB. [2018-09-18 10:10:31,022 INFO L168 Benchmark]: CDTParser took 0.19 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 10:10:31,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.87 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 10:10:31,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.85 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 10:10:31,024 INFO L168 Benchmark]: Boogie Preprocessor took 203.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2018-09-18 10:10:31,025 INFO L168 Benchmark]: RCFGBuilder took 3472.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-09-18 10:10:31,026 INFO L168 Benchmark]: TraceAbstraction took 25067.21 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 345.5 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -155.7 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. [2018-09-18 10:10:31,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.87 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 99.85 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 203.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3472.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25067.21 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 345.5 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -155.7 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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: ((((((((!(1 == a21) || 9 == \old(a28)) || (!(a25 == 1) && !(a17 == 9))) || a17 <= 7) || 1 == \old(a25)) || 1 == \old(a11)) || (!(a11 == 1) && !(a17 == 9))) || (8 == a17 && 1 == a19)) || 9 == \old(a17)) || (!(a28 == 9) && !(a17 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 24.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1245 SDtfs, 4460 SDslu, 777 SDs, 0 SdLazy, 5837 SolverSat, 1219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1478 GetRequests, 1423 SyntacticMatches, 10 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1558occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 98 NumberOfFragments, 411 HoareAnnotationTreeSize, 60 FomulaSimplifications, 722 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 625 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2311 NumberOfCodeBlocks, 2311 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3003 ConstructedInterpolants, 0 QuantifiedInterpolants, 2291943 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1565 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1112/1155 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_label53_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-10-31-046.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label53_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-10-31-046.csv Received shutdown request...