java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:18:40,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:18:40,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:18:40,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:18:40,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:18:40,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:18:40,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:18:40,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:18:40,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:18:40,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:18:40,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:18:40,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:18:40,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:18:40,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:18:40,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:18:40,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:18:40,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:18:40,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:18:40,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:18:40,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:18:40,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:18:40,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:18:40,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 11:18:40,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:18:40,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:18:40,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:18:40,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:18:40,843 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 11:18:40,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:18:40,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:18:40,863 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:18:40,864 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:18:40,864 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:18:40,864 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:18:40,864 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:18:40,864 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:18:40,865 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:18:40,865 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:18:40,865 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:18:40,865 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:18:40,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:18:40,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:18:40,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:18:40,867 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:18:40,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:18:40,867 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:18:40,867 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:18:40,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:18:40,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:18:40,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:18:40,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:18:40,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:18:40,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:18:40,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:18:40,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:18:40,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:18:40,871 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:18:40,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:18:40,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:18:40,871 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:18:40,871 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:18:40,872 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:18:40,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:18:40,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:18:40,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:18:40,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:18:40,947 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:18:40,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-09-18 11:18:41,294 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1464456a4/572ac53c23c648cdb0656f4da692126b/FLAG4badbfc9c [2018-09-18 11:18:41,547 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:18:41,553 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-09-18 11:18:41,581 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1464456a4/572ac53c23c648cdb0656f4da692126b/FLAG4badbfc9c [2018-09-18 11:18:41,605 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1464456a4/572ac53c23c648cdb0656f4da692126b [2018-09-18 11:18:41,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:18:41,623 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:18:41,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:18:41,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:18:41,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:18:41,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:41" (1/1) ... [2018-09-18 11:18:41,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9b8b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:41, skipping insertion in model container [2018-09-18 11:18:41,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:41" (1/1) ... [2018-09-18 11:18:41,655 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:18:42,131 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:18:42,156 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:18:42,295 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:18:42,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42 WrapperNode [2018-09-18 11:18:42,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:18:42,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:18:42,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:18:42,357 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:18:42,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:18:42,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:18:42,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:18:42,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:18:42,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (1/1) ... [2018-09-18 11:18:42,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:18:42,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:18:42,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:18:42,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:18:42,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (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 11:18:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:18:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:18:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:18:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:18:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:18:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:18:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:18:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:18:45,946 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:18:45,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:45 BoogieIcfgContainer [2018-09-18 11:18:45,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:18:45,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:18:45,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:18:45,952 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:18:45,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:18:41" (1/3) ... [2018-09-18 11:18:45,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff8df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:18:45, skipping insertion in model container [2018-09-18 11:18:45,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:42" (2/3) ... [2018-09-18 11:18:45,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff8df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:18:45, skipping insertion in model container [2018-09-18 11:18:45,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:45" (3/3) ... [2018-09-18 11:18:45,956 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-09-18 11:18:45,965 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:18:45,974 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:18:46,029 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:18:46,030 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:18:46,030 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:18:46,030 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:18:46,030 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:18:46,030 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:18:46,031 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:18:46,031 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:18:46,031 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:18:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-18 11:18:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-18 11:18:46,069 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:46,071 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] [2018-09-18 11:18:46,072 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:46,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1705771087, now seen corresponding path program 1 times [2018-09-18 11:18:46,079 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:46,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:46,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:46,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:46,128 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:46,525 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:46,553 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 11:18:46,556 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:46,556 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:18:46,556 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:46,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:18:46,581 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:18:46,582 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:18:46,585 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-18 11:18:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:48,222 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-18 11:18:48,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:18:48,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-18 11:18:48,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:48,244 INFO L225 Difference]: With dead ends: 574 [2018-09-18 11:18:48,245 INFO L226 Difference]: Without dead ends: 356 [2018-09-18 11:18:48,252 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:18:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-18 11:18:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-18 11:18:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-18 11:18:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-09-18 11:18:48,332 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 39 [2018-09-18 11:18:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:48,333 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-09-18 11:18:48,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:18:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-09-18 11:18:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-18 11:18:48,341 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:48,342 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:18:48,342 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:48,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1698105396, now seen corresponding path program 1 times [2018-09-18 11:18:48,343 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:48,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:48,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:48,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:48,345 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-18 11:18:48,667 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:48,667 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 11:18:48,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:48,683 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:48,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:48,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:49,243 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 11:18:49,245 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2018-09-18 11:18:49,245 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:49,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:18:49,248 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:18:49,248 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:49,249 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 3 states. [2018-09-18 11:18:50,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:50,815 INFO L93 Difference]: Finished difference Result 994 states and 1764 transitions. [2018-09-18 11:18:50,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:18:50,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-09-18 11:18:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:50,828 INFO L225 Difference]: With dead ends: 994 [2018-09-18 11:18:50,829 INFO L226 Difference]: Without dead ends: 644 [2018-09-18 11:18:50,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 253 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:50,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-09-18 11:18:50,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2018-09-18 11:18:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2018-09-18 11:18:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1047 transitions. [2018-09-18 11:18:50,878 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1047 transitions. Word has length 127 [2018-09-18 11:18:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:50,879 INFO L480 AbstractCegarLoop]: Abstraction has 644 states and 1047 transitions. [2018-09-18 11:18:50,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:18:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1047 transitions. [2018-09-18 11:18:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-18 11:18:50,886 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:50,886 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:18:50,887 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:50,887 INFO L82 PathProgramCache]: Analyzing trace with hash -2060894664, now seen corresponding path program 1 times [2018-09-18 11:18:50,887 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:50,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:50,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:50,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:50,889 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:51,349 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:51,349 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:18:51,349 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:51,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:51,350 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:51,351 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:18:51,351 INFO L87 Difference]: Start difference. First operand 644 states and 1047 transitions. Second operand 5 states. [2018-09-18 11:18:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:55,508 INFO L93 Difference]: Finished difference Result 2181 states and 3740 transitions. [2018-09-18 11:18:55,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:18:55,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2018-09-18 11:18:55,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:55,526 INFO L225 Difference]: With dead ends: 2181 [2018-09-18 11:18:55,527 INFO L226 Difference]: Without dead ends: 1543 [2018-09-18 11:18:55,532 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:18:55,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2018-09-18 11:18:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1530. [2018-09-18 11:18:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1530 states. [2018-09-18 11:18:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 2421 transitions. [2018-09-18 11:18:55,622 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 2421 transitions. Word has length 165 [2018-09-18 11:18:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:55,623 INFO L480 AbstractCegarLoop]: Abstraction has 1530 states and 2421 transitions. [2018-09-18 11:18:55,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2421 transitions. [2018-09-18 11:18:55,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-18 11:18:55,638 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:55,638 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:55,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:55,639 INFO L82 PathProgramCache]: Analyzing trace with hash -425682592, now seen corresponding path program 1 times [2018-09-18 11:18:55,639 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:55,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:55,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:55,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:55,641 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:55,990 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 64 proven. 86 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:56,424 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:56,424 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 11:18:56,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:56,442 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:56,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-09-18 11:18:57,002 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 64 proven. 86 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:57,316 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:18:57,316 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-18 11:18:57,316 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:57,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:57,317 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:57,317 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-09-18 11:18:57,318 INFO L87 Difference]: Start difference. First operand 1530 states and 2421 transitions. Second operand 5 states. [2018-09-18 11:18:59,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:59,129 INFO L93 Difference]: Finished difference Result 3416 states and 5579 transitions. [2018-09-18 11:18:59,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:59,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2018-09-18 11:18:59,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:59,157 INFO L225 Difference]: With dead ends: 3416 [2018-09-18 11:18:59,157 INFO L226 Difference]: Without dead ends: 1892 [2018-09-18 11:18:59,164 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:18:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2018-09-18 11:18:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1847. [2018-09-18 11:18:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2018-09-18 11:18:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2690 transitions. [2018-09-18 11:18:59,237 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2690 transitions. Word has length 226 [2018-09-18 11:18:59,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:59,237 INFO L480 AbstractCegarLoop]: Abstraction has 1847 states and 2690 transitions. [2018-09-18 11:18:59,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2690 transitions. [2018-09-18 11:18:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-09-18 11:18:59,245 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:59,245 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:59,245 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:59,246 INFO L82 PathProgramCache]: Analyzing trace with hash 989992581, now seen corresponding path program 1 times [2018-09-18 11:18:59,246 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:59,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:59,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:59,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:59,247 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-09-18 11:18:59,507 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:59,508 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 11:18:59,508 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:59,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 11:18:59,509 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 11:18:59,509 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:18:59,509 INFO L87 Difference]: Start difference. First operand 1847 states and 2690 transitions. Second operand 4 states. [2018-09-18 11:19:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:19:01,758 INFO L93 Difference]: Finished difference Result 4648 states and 6970 transitions. [2018-09-18 11:19:01,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 11:19:01,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-09-18 11:19:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:19:01,760 INFO L225 Difference]: With dead ends: 4648 [2018-09-18 11:19:01,760 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 11:19:01,781 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:19:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 11:19:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 11:19:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 11:19:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 11:19:01,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-09-18 11:19:01,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:19:01,783 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 11:19:01,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 11:19:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 11:19:01,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 11:19:01,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 11:19:02,144 WARN L178 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-09-18 11:19:02,655 WARN L178 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2018-09-18 11:19:03,136 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-09-18 11:19:03,280 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:19:03,280 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2018-09-18 11:19:03,280 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,281 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-18 11:19:03,282 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,283 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-18 11:19:03,284 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-09-18 11:19:03,285 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-18 11:19:03,286 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,287 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-18 11:19:03,288 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-09-18 11:19:03,289 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-18 11:19:03,290 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,291 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-09-18 11:19:03,292 INFO L426 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-09-18 11:19:03,293 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,294 INFO L426 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-18 11:19:03,295 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,296 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-18 11:19:03,297 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-18 11:19:03,298 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-18 11:19:03,298 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-18 11:19:03,298 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-09-18 11:19:03,298 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-09-18 11:19:03,298 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (< 9 |old(~a19~0)|)) (.cse1 (<= ~a19~0 |old(~a19~0)|)) (.cse0 (= 4 |old(~a10~0)|)) (.cse3 (<= 9 ~a19~0)) (.cse5 (< |old(~a19~0)| 9)) (.cse2 (= ~a1~0 |old(~a1~0)|))) (and (or .cse0 (and .cse1 (not (= ~a10~0 4)) .cse2)) (or (and .cse1 .cse3 .cse2) .cse4 .cse5) (or (= 7 |old(~a19~0)|) .cse4 (and .cse1 .cse2) (< 23 |old(~a1~0)|)) (or .cse0 .cse3 .cse5) (or (and (= 8 ~a19~0) .cse2) (not (= 8 |old(~a19~0)|))))) [2018-09-18 11:19:03,298 INFO L426 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,299 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-18 11:19:03,300 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,301 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-09-18 11:19:03,302 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-09-18 11:19:03,303 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-09-18 11:19:03,304 INFO L426 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-18 11:19:03,305 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-09-18 11:19:03,306 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-18 11:19:03,306 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-09-18 11:19:03,306 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-09-18 11:19:03,306 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:19:03,306 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (<= ~a19~0 9) (not (= ~a10~0 4)) (<= 9 ~a19~0)) [2018-09-18 11:19:03,306 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 11:19:03,306 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:19:03,307 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 4 |old(~a10~0)|) (< 9 |old(~a19~0)|) (and (<= ~a19~0 |old(~a19~0)|) (not (= ~a10~0 4)) (<= 9 ~a19~0) (= ~a1~0 |old(~a1~0)|)) (< 23 |old(~a1~0)|) (< |old(~a19~0)| 9)) [2018-09-18 11:19:03,307 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-09-18 11:19:03,307 INFO L422 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (not (= 7 ~a19~0)) (<= ~a1~0 23) .cse0) (= 4 |old(~a10~0)|) (< 9 |old(~a19~0)|) (not (= ~a10~0 4)) (< 23 |old(~a1~0)|) (= 8 ~a19~0) (and .cse0 (<= 9 ~a19~0)) (< |old(~a19~0)| 9))) [2018-09-18 11:19:03,307 INFO L426 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-09-18 11:19:03,307 INFO L426 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-09-18 11:19:03,307 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-09-18 11:19:03,308 INFO L422 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (not (= 7 ~a19~0)) (<= ~a1~0 23) .cse0) (= 4 |old(~a10~0)|) (< 9 |old(~a19~0)|) (not (= ~a10~0 4)) (< 23 |old(~a1~0)|) (= 8 ~a19~0) (and .cse0 (<= 9 ~a19~0)) (< |old(~a19~0)| 9))) [2018-09-18 11:19:03,308 INFO L426 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-09-18 11:19:03,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:19:03 BoogieIcfgContainer [2018-09-18 11:19:03,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:19:03,326 INFO L168 Benchmark]: Toolchain (without parser) took 21707.08 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 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 785.9 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,329 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:19:03,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,331 INFO L168 Benchmark]: Boogie Preprocessor took 270.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,333 INFO L168 Benchmark]: RCFGBuilder took 3201.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,335 INFO L168 Benchmark]: TraceAbstraction took 17377.91 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 340.8 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -418.6 MB). Peak memory consumption was 716.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:19:03,345 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 117.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 270.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3201.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17377.91 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 340.8 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -418.6 MB). Peak memory consumption was 716.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(7 == a19) && a1 <= 23) && a19 <= 9) || 4 == \old(a10)) || 9 < \old(a19)) || !(a10 == 4)) || 23 < \old(a1)) || 8 == a19) || (a19 <= 9 && 9 <= a19)) || \old(a19) < 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 1936 SDslu, 371 SDs, 0 SdLazy, 3618 SolverSat, 937 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 707 SyntacticMatches, 9 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1847occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 76 NumberOfFragments, 211 HoareAnnotationTreeSize, 46 FomulaSimplifications, 658 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 519 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1481 ConstructedInterpolants, 0 QuantifiedInterpolants, 642505 SizeOfPredicates, 4 NumberOfNonLiveVariables, 660 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 548/748 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label38_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-19-03-377.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label38_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-19-03-377.csv Received shutdown request...