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/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 15:57:20,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 15:57:20,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 15:57:20,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 15:57:20,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 15:57:20,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 15:57:20,043 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 15:57:20,044 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 15:57:20,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 15:57:20,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 15:57:20,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 15:57:20,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 15:57:20,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 15:57:20,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 15:57:20,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 15:57:20,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 15:57:20,065 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 15:57:20,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 15:57:20,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 15:57:20,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 15:57:20,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 15:57:20,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 15:57:20,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 15:57:20,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 15:57:20,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 15:57:20,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 15:57:20,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 15:57:20,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 15:57:20,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 15:57:20,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 15:57:20,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 15:57:20,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 15:57:20,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 15:57:20,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 15:57:20,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 15:57:20,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 15:57:20,090 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 15:57:20,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 15:57:20,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 15:57:20,106 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 15:57:20,106 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 15:57:20,108 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 15:57:20,108 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 15:57:20,109 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 15:57:20,109 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 15:57:20,109 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 15:57:20,109 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 15:57:20,110 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 15:57:20,110 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 15:57:20,111 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 15:57:20,111 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 15:57:20,111 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 15:57:20,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 15:57:20,111 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 15:57:20,112 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 15:57:20,112 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 15:57:20,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 15:57:20,112 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 15:57:20,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 15:57:20,112 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 15:57:20,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:57:20,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 15:57:20,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 15:57:20,113 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 15:57:20,113 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 15:57:20,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 15:57:20,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 15:57:20,114 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 15:57:20,114 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 15:57:20,114 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 15:57:20,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 15:57:20,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 15:57:20,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 15:57:20,198 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 15:57:20,198 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 15:57:20,199 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-14 15:57:20,545 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa004f2b3/f3dbadb7e48746ab9de66cc4fefbc29f/FLAG296ed3037 [2018-09-14 15:57:20,806 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 15:57:20,807 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-14 15:57:20,834 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa004f2b3/f3dbadb7e48746ab9de66cc4fefbc29f/FLAG296ed3037 [2018-09-14 15:57:20,858 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa004f2b3/f3dbadb7e48746ab9de66cc4fefbc29f [2018-09-14 15:57:20,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 15:57:20,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 15:57:20,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 15:57:20,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 15:57:20,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 15:57:20,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:57:20" (1/1) ... [2018-09-14 15:57:20,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ff577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:20, skipping insertion in model container [2018-09-14 15:57:20,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:57:20" (1/1) ... [2018-09-14 15:57:20,902 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 15:57:21,369 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:57:21,392 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 15:57:21,523 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:57:21,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21 WrapperNode [2018-09-14 15:57:21,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 15:57:21,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 15:57:21,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 15:57:21,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 15:57:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 15:57:21,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 15:57:21,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 15:57:21,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 15:57:21,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... [2018-09-14 15:57:21,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 15:57:21,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 15:57:21,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 15:57:21,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 15:57:21,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:57:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 15:57:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 15:57:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 15:57:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 15:57:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 15:57:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 15:57:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 15:57:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 15:57:25,656 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 15:57:25,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:57:25 BoogieIcfgContainer [2018-09-14 15:57:25,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 15:57:25,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 15:57:25,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 15:57:25,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 15:57:25,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 03:57:20" (1/3) ... [2018-09-14 15:57:25,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6510d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:57:25, skipping insertion in model container [2018-09-14 15:57:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:57:21" (2/3) ... [2018-09-14 15:57:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6510d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:57:25, skipping insertion in model container [2018-09-14 15:57:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:57:25" (3/3) ... [2018-09-14 15:57:25,666 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-09-14 15:57:25,677 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 15:57:25,686 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 15:57:25,742 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 15:57:25,743 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 15:57:25,743 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 15:57:25,744 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 15:57:25,744 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 15:57:25,744 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 15:57:25,744 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 15:57:25,744 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 15:57:25,745 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 15:57:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-14 15:57:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-14 15:57:25,783 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:25,784 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] [2018-09-14 15:57:25,786 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-09-14 15:57:25,794 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:25,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:25,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:25,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:25,847 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:26,421 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 15:57:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:26,564 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:57:26,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:57:26,565 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:57:26,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:57:26,592 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:57:26,592 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:57:26,596 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-09-14 15:57:28,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:28,334 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-09-14 15:57:28,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:57:28,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-09-14 15:57:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:28,356 INFO L225 Difference]: With dead ends: 550 [2018-09-14 15:57:28,356 INFO L226 Difference]: Without dead ends: 340 [2018-09-14 15:57:28,363 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:57:28,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-09-14 15:57:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-09-14 15:57:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-09-14 15:57:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-09-14 15:57:28,447 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 92 [2018-09-14 15:57:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:28,448 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-09-14 15:57:28,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:57:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-09-14 15:57:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-14 15:57:28,456 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:28,456 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-14 15:57:28,456 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:28,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1017763991, now seen corresponding path program 1 times [2018-09-14 15:57:28,457 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:28,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:28,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:28,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:28,459 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:28,742 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 15:57:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:29,061 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:57:29,061 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 15:57:29,061 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:57:29,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 15:57:29,064 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 15:57:29,064 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 15:57:29,064 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-09-14 15:57:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:30,962 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-09-14 15:57:30,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 15:57:30,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-09-14 15:57:30,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:30,971 INFO L225 Difference]: With dead ends: 888 [2018-09-14 15:57:30,971 INFO L226 Difference]: Without dead ends: 554 [2018-09-14 15:57:30,975 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 15:57:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-09-14 15:57:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-09-14 15:57:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-09-14 15:57:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-09-14 15:57:31,019 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 103 [2018-09-14 15:57:31,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:31,020 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-09-14 15:57:31,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 15:57:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-09-14 15:57:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-14 15:57:31,025 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:31,025 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-14 15:57:31,025 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-09-14 15:57:31,026 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:31,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:31,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:31,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:31,027 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:31,239 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:57:31,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:57:31,240 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:57:31,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:57:31,241 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:57:31,241 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:57:31,241 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-09-14 15:57:32,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:32,393 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-09-14 15:57:32,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:57:32,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-09-14 15:57:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:32,408 INFO L225 Difference]: With dead ends: 1530 [2018-09-14 15:57:32,409 INFO L226 Difference]: Without dead ends: 997 [2018-09-14 15:57:32,412 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:57:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-09-14 15:57:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-09-14 15:57:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-09-14 15:57:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-09-14 15:57:32,486 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 104 [2018-09-14 15:57:32,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:32,487 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-09-14 15:57:32,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:57:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-09-14 15:57:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-14 15:57:32,493 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:32,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:57:32,494 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:32,494 INFO L82 PathProgramCache]: Analyzing trace with hash -58190001, now seen corresponding path program 1 times [2018-09-14 15:57:32,494 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:32,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:32,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:32,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:32,496 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:32,722 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 15:57:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:33,048 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:57:33,048 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 15:57:33,048 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:57:33,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 15:57:33,049 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 15:57:33,049 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 15:57:33,050 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-09-14 15:57:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:36,379 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-09-14 15:57:36,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 15:57:36,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-09-14 15:57:36,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:36,397 INFO L225 Difference]: With dead ends: 2927 [2018-09-14 15:57:36,397 INFO L226 Difference]: Without dead ends: 1936 [2018-09-14 15:57:36,405 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 15:57:36,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-09-14 15:57:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-09-14 15:57:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-09-14 15:57:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-09-14 15:57:36,491 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 118 [2018-09-14 15:57:36,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:36,491 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-09-14 15:57:36,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 15:57:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-09-14 15:57:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-14 15:57:36,498 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:36,499 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:57:36,499 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:36,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2017463946, now seen corresponding path program 1 times [2018-09-14 15:57:36,500 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:36,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:36,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:36,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:36,501 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:36,685 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:36,685 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:57:36,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:36,704 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:36,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:37,066 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:37,227 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-14 15:57:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:37,559 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:37,559 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:57:37,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:37,589 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:37,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:37,909 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:38,169 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-14 15:57:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-14 15:57:38,562 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-14 15:57:38,562 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 7] total 10 [2018-09-14 15:57:38,562 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:57:38,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 15:57:38,563 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 15:57:38,563 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-14 15:57:38,564 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 5 states. [2018-09-14 15:57:40,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:40,863 INFO L93 Difference]: Finished difference Result 4306 states and 6214 transitions. [2018-09-14 15:57:40,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-14 15:57:40,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-09-14 15:57:40,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:40,878 INFO L225 Difference]: With dead ends: 4306 [2018-09-14 15:57:40,878 INFO L226 Difference]: Without dead ends: 2431 [2018-09-14 15:57:40,885 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 533 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-09-14 15:57:40,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2018-09-14 15:57:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2431. [2018-09-14 15:57:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2018-09-14 15:57:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3427 transitions. [2018-09-14 15:57:40,954 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3427 transitions. Word has length 136 [2018-09-14 15:57:40,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:40,955 INFO L480 AbstractCegarLoop]: Abstraction has 2431 states and 3427 transitions. [2018-09-14 15:57:40,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 15:57:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3427 transitions. [2018-09-14 15:57:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-14 15:57:40,962 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:40,963 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-14 15:57:40,963 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:40,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1233798254, now seen corresponding path program 1 times [2018-09-14 15:57:40,963 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:40,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:40,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:40,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:40,965 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:41,182 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:41,182 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:57:41,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:41,193 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:41,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 15:57:41,361 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 15:57:41,499 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:41,499 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:57:41,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:41,515 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:41,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 15:57:41,826 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 15:57:42,027 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 15:57:42,027 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-09-14 15:57:42,028 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 15:57:42,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-14 15:57:42,029 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-14 15:57:42,029 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-14 15:57:42,030 INFO L87 Difference]: Start difference. First operand 2431 states and 3427 transitions. Second operand 8 states. [2018-09-14 15:57:46,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:46,342 INFO L93 Difference]: Finished difference Result 6174 states and 9283 transitions. [2018-09-14 15:57:46,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-14 15:57:46,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2018-09-14 15:57:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:46,369 INFO L225 Difference]: With dead ends: 6174 [2018-09-14 15:57:46,369 INFO L226 Difference]: Without dead ends: 3749 [2018-09-14 15:57:46,388 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2018-09-14 15:57:46,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2018-09-14 15:57:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3312. [2018-09-14 15:57:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2018-09-14 15:57:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4291 transitions. [2018-09-14 15:57:46,523 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4291 transitions. Word has length 140 [2018-09-14 15:57:46,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:46,524 INFO L480 AbstractCegarLoop]: Abstraction has 3312 states and 4291 transitions. [2018-09-14 15:57:46,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-14 15:57:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4291 transitions. [2018-09-14 15:57:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-14 15:57:46,534 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:46,535 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:57:46,535 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:46,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1780330484, now seen corresponding path program 1 times [2018-09-14 15:57:46,537 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:46,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:46,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:46,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:46,538 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:46,744 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:46,744 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:57:46,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:46,758 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:46,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:46,894 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:57:47,114 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:47,115 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:57:47,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:47,131 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:47,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 15:57:47,380 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-14 15:57:47,722 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 15:57:47,723 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 9] total 14 [2018-09-14 15:57:47,723 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 15:57:47,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-14 15:57:47,724 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-14 15:57:47,724 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-09-14 15:57:47,725 INFO L87 Difference]: Start difference. First operand 3312 states and 4291 transitions. Second operand 7 states. [2018-09-14 15:57:49,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:49,306 INFO L93 Difference]: Finished difference Result 7693 states and 10418 transitions. [2018-09-14 15:57:49,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 15:57:49,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2018-09-14 15:57:49,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:49,329 INFO L225 Difference]: With dead ends: 7693 [2018-09-14 15:57:49,329 INFO L226 Difference]: Without dead ends: 4387 [2018-09-14 15:57:49,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 625 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-09-14 15:57:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2018-09-14 15:57:49,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 4312. [2018-09-14 15:57:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4312 states. [2018-09-14 15:57:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 5651 transitions. [2018-09-14 15:57:49,468 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 5651 transitions. Word has length 160 [2018-09-14 15:57:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:49,469 INFO L480 AbstractCegarLoop]: Abstraction has 4312 states and 5651 transitions. [2018-09-14 15:57:49,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-14 15:57:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 5651 transitions. [2018-09-14 15:57:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-09-14 15:57:49,482 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:49,482 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:57:49,483 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:49,483 INFO L82 PathProgramCache]: Analyzing trace with hash 643602389, now seen corresponding path program 1 times [2018-09-14 15:57:49,483 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:49,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:49,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:49,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:49,484 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-14 15:57:49,687 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:49,687 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:57:49,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:49,695 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:49,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-14 15:57:50,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-14 15:57:50,164 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:50,164 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:57:50,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:50,180 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:50,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-14 15:57:51,002 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-14 15:57:51,158 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 15:57:51,158 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-09-14 15:57:51,159 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 15:57:51,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 15:57:51,160 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 15:57:51,160 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-09-14 15:57:51,160 INFO L87 Difference]: Start difference. First operand 4312 states and 5651 transitions. Second operand 9 states. [2018-09-14 15:57:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:57:55,509 INFO L93 Difference]: Finished difference Result 9120 states and 12599 transitions. [2018-09-14 15:57:55,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-14 15:57:55,509 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2018-09-14 15:57:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:57:55,537 INFO L225 Difference]: With dead ends: 9120 [2018-09-14 15:57:55,537 INFO L226 Difference]: Without dead ends: 4814 [2018-09-14 15:57:55,552 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 714 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2018-09-14 15:57:55,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4814 states. [2018-09-14 15:57:55,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4814 to 4584. [2018-09-14 15:57:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4584 states. [2018-09-14 15:57:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 5765 transitions. [2018-09-14 15:57:55,693 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 5765 transitions. Word has length 177 [2018-09-14 15:57:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:57:55,694 INFO L480 AbstractCegarLoop]: Abstraction has 4584 states and 5765 transitions. [2018-09-14 15:57:55,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 15:57:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 5765 transitions. [2018-09-14 15:57:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-14 15:57:55,708 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:57:55,708 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:57:55,709 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:57:55,709 INFO L82 PathProgramCache]: Analyzing trace with hash -118224534, now seen corresponding path program 1 times [2018-09-14 15:57:55,709 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:57:55,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:55,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:55,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:57:55,710 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:57:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:56,234 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-14 15:57:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-09-14 15:57:56,397 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:56,397 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:57:56,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:56,416 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:56,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-09-14 15:57:56,644 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-09-14 15:57:56,801 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:57:56,801 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:57:56,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:57:56,816 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:57:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:57:57,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:57:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-09-14 15:57:57,136 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:57:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-09-14 15:57:57,277 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 15:57:57,277 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-09-14 15:57:57,277 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 15:57:57,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-14 15:57:57,278 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-14 15:57:57,280 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-14 15:57:57,281 INFO L87 Difference]: Start difference. First operand 4584 states and 5765 transitions. Second operand 8 states. [2018-09-14 15:57:59,756 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-14 15:58:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:58:01,685 INFO L93 Difference]: Finished difference Result 14193 states and 18855 transitions. [2018-09-14 15:58:01,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-14 15:58:01,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2018-09-14 15:58:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:58:01,686 INFO L225 Difference]: With dead ends: 14193 [2018-09-14 15:58:01,686 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 15:58:01,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 804 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2018-09-14 15:58:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 15:58:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 15:58:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 15:58:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 15:58:01,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2018-09-14 15:58:01,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:58:01,730 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 15:58:01,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-14 15:58:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 15:58:01,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 15:58:01,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 15:58:01,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:01,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:01,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,460 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 212 [2018-09-14 15:58:02,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 15:58:02,883 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 212 [2018-09-14 15:58:03,230 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2018-09-14 15:58:03,488 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-09-14 15:58:05,345 WARN L178 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 191 DAG size of output: 48 [2018-09-14 15:58:07,798 WARN L178 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 196 DAG size of output: 53 [2018-09-14 15:58:08,780 WARN L178 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 53 [2018-09-14 15:58:08,783 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:58:08,784 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-09-14 15:58:08,784 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:58:08,784 INFO L426 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-09-14 15:58:08,784 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-09-14 15:58:08,784 INFO L426 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-09-14 15:58:08,785 INFO L426 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,786 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-09-14 15:58:08,787 INFO L426 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-09-14 15:58:08,788 INFO L426 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-09-14 15:58:08,789 INFO L426 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-09-14 15:58:08,790 INFO L426 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-09-14 15:58:08,791 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,792 INFO L426 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-09-14 15:58:08,793 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-09-14 15:58:08,794 INFO L426 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-09-14 15:58:08,795 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-09-14 15:58:08,796 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= |old(~a8~0)| ~a8~0)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a20~0 |old(~a20~0)|)) (.cse3 (= 6 |old(~a16~0)|)) (.cse14 (< 0 |old(~a21~0)|))) (let ((.cse11 (= 13 |old(~a8~0)|)) (.cse1 (or .cse3 .cse14)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse12 (and .cse6 .cse7 .cse8 .cse15 (= 1 ~a21~0) .cse9)) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse13 (not (= 1 |old(~a20~0)|))) (.cse0 (and .cse10 .cse6 .cse7 .cse8 .cse15 .cse9)) (.cse5 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (and .cse6 .cse7 .cse8 (= |old(~a16~0)| ~a16~0) .cse9 .cse10)) (or .cse4 .cse11 .cse5 .cse12) (or .cse4 .cse12 .cse11 .cse2) (or .cse0 .cse1 .cse5) (or .cse4 .cse13 .cse12 .cse2) (or .cse13 .cse0 .cse5 .cse14)))) [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,797 INFO L426 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-09-14 15:58:08,798 INFO L426 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,799 INFO L426 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-09-14 15:58:08,800 INFO L426 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,801 INFO L426 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-09-14 15:58:08,802 INFO L426 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 15:58:08,803 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 13)) (= ~a16~0 5) (= 1 ~a17~0)) [2018-09-14 15:58:08,804 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 15:58:08,804 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 15:58:08,804 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-09-14 15:58:08,804 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-09-14 15:58:08,804 INFO L422 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse6 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse8 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse4 .cse6 .cse3) (and .cse1 .cse2 .cse7 .cse4) (and .cse2 .cse7 .cse4 .cse6) (and .cse6 .cse7 .cse4 .cse8) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse8) .cse6) (= ~a16~0 5) .cse3)) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse7 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse6 .cse4 .cse8 .cse3)))) [2018-09-14 15:58:08,804 INFO L426 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-09-14 15:58:08,804 INFO L426 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-09-14 15:58:08,805 INFO L426 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-09-14 15:58:08,805 INFO L422 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse6 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse8 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse4 .cse6 .cse3) (and .cse1 .cse2 .cse7 .cse4) (and .cse2 .cse7 .cse4 .cse6) (and .cse6 .cse7 .cse4 .cse8) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse8) .cse6) (= ~a16~0 5) .cse3)) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse7 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse6 .cse4 .cse8 .cse3)))) [2018-09-14 15:58:08,805 INFO L426 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-09-14 15:58:08,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 03:58:08 BoogieIcfgContainer [2018-09-14 15:58:08,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 15:58:08,826 INFO L168 Benchmark]: Toolchain (without parser) took 47956.01 ms. Allocated memory was 1.6 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -913.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-14 15:58:08,827 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:58:08,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.07 ms. Allocated memory is still 1.6 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. [2018-09-14 15:58:08,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.18 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 15:58:08,830 INFO L168 Benchmark]: Boogie Preprocessor took 268.15 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -876.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-14 15:58:08,830 INFO L168 Benchmark]: RCFGBuilder took 3700.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. [2018-09-14 15:58:08,831 INFO L168 Benchmark]: TraceAbstraction took 43167.03 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 424.1 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -189.7 MB). Peak memory consumption was 987.9 MB. Max. memory is 7.1 GB. [2018-09-14 15:58:08,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.07 ms. Allocated memory is still 1.6 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 109.18 ms. Allocated memory is still 1.6 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 268.15 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 792.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -876.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3700.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43167.03 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 424.1 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -189.7 MB). Peak memory consumption was 987.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((1 == a20 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((!(a16 == 6) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21)) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (a7 == \old(a7) && (((1 == a20 && !(a8 == 13)) && 1 == a21) && a16 == 5) && 1 == a17)) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 43.0s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 25.3s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 901 SDtfs, 6446 SDslu, 1219 SDs, 0 SdLazy, 11236 SolverSat, 2358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3394 GetRequests, 3243 SyntacticMatches, 27 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4584occurred in iteration=8, 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: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 812 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 342 NumberOfFragments, 662 HoareAnnotationTreeSize, 190 FomulaSimplifications, 64052 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 30273 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 2856 NumberOfCodeBlocks, 2856 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4453 ConstructedInterpolants, 0 QuantifiedInterpolants, 1923558 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4788 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 29 InterpolantComputations, 5 PerfectInterpolantSequences, 2174/2420 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/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_15-58-08-854.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_15-58-08-854.csv Received shutdown request...