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/Problem19_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:19:51,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:19:51,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:19:51,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:19:51,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:19:51,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:19:51,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:19:51,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:19:51,109 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:19:51,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:19:51,113 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:19:51,113 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:19:51,114 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:19:51,115 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:19:51,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:19:51,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:19:51,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:19:51,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:19:51,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:19:51,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:19:51,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:19:51,141 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:19:51,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:19:51,143 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:19:51,144 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:19:51,144 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:19:51,145 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:19:51,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:19:51,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:19:51,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:19:51,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:19:51,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:19:51,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:19:51,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:19:51,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:19:51,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:19:51,151 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 18:19:51,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:19:51,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:19:51,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:19:51,178 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:19:51,178 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:19:51,179 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:19:51,179 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:19:51,179 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:19:51,179 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:19:51,179 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:19:51,179 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:19:51,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:19:51,180 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:19:51,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:19:51,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:19:51,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:19:51,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:19:51,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:19:51,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:19:51,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:19:51,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:19:51,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:19:51,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:19:51,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:19:51,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:19:51,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:19:51,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:19:51,190 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:19:51,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:19:51,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:19:51,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:19:51,191 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:19:51,191 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:19:51,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:19:51,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:19:51,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:19:51,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:19:51,259 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:19:51,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label13_true-unreach-call.c [2018-09-14 18:19:51,602 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162a40b29/a848f578848d4b4abf409fa2d4faf3ea/FLAG2feb65790 [2018-09-14 18:19:52,232 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:19:52,233 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label13_true-unreach-call.c [2018-09-14 18:19:52,283 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162a40b29/a848f578848d4b4abf409fa2d4faf3ea/FLAG2feb65790 [2018-09-14 18:19:52,300 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162a40b29/a848f578848d4b4abf409fa2d4faf3ea [2018-09-14 18:19:52,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:19:52,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:19:52,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:19:52,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:19:52,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:19:52,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:19:52" (1/1) ... [2018-09-14 18:19:52,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5df79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:52, skipping insertion in model container [2018-09-14 18:19:52,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:19:52" (1/1) ... [2018-09-14 18:19:52,342 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:19:54,417 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:19:54,437 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:19:55,377 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:19:55,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55 WrapperNode [2018-09-14 18:19:55,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:19:55,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:19:55,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:19:55,994 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:19:56,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:56,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:56,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:19:56,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:19:56,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:19:56,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:19:57,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:57,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (1/1) ... [2018-09-14 18:19:58,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:19:58,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:19:58,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:19:58,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:19:58,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (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 18:19:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:19:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:19:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:19:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:19:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:19:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:19:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:19:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:19:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:19:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:19:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:19:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:19:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:19:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:19:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:19:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:19:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:19:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:20:20,513 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:20:20,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:20:20 BoogieIcfgContainer [2018-09-14 18:20:20,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:20:20,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:20:20,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:20:20,518 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:20:20,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:19:52" (1/3) ... [2018-09-14 18:20:20,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90a3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:20:20, skipping insertion in model container [2018-09-14 18:20:20,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:19:55" (2/3) ... [2018-09-14 18:20:20,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e90a3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:20:20, skipping insertion in model container [2018-09-14 18:20:20,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:20:20" (3/3) ... [2018-09-14 18:20:20,522 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label13_true-unreach-call.c [2018-09-14 18:20:20,532 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:20:20,547 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:20:20,629 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:20:20,629 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:20:20,630 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:20:20,630 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:20:20,630 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:20:20,630 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:20:20,630 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:20:20,630 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:20:20,630 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:20:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:20:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-14 18:20:20,697 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:20:20,698 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] [2018-09-14 18:20:20,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:20:20,705 INFO L82 PathProgramCache]: Analyzing trace with hash -204476364, now seen corresponding path program 1 times [2018-09-14 18:20:20,708 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:20:20,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:20,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:20:20,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:20,766 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:20:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:20:21,193 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 18:20:21,196 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:20:21,196 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:20:21,196 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:20:21,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:20:21,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:20:21,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:20:21,223 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:20:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:20:37,235 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-09-14 18:20:37,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:20:37,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-09-14 18:20:37,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:20:37,284 INFO L225 Difference]: With dead ends: 4995 [2018-09-14 18:20:37,284 INFO L226 Difference]: Without dead ends: 3215 [2018-09-14 18:20:37,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:20:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-09-14 18:20:37,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-09-14 18:20:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-09-14 18:20:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-09-14 18:20:37,532 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 42 [2018-09-14 18:20:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:20:37,533 INFO L480 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-09-14 18:20:37,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:20:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-09-14 18:20:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-14 18:20:37,540 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:20:37,540 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:37,541 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:20:37,541 INFO L82 PathProgramCache]: Analyzing trace with hash 262312567, now seen corresponding path program 1 times [2018-09-14 18:20:37,541 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:20:37,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:37,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:20:37,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:20:37,543 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:20:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:20:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:20:38,002 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:20:38,002 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:20:38,002 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:20:38,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:20:38,004 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:20:38,004 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:20:38,005 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 5 states. [2018-09-14 18:21:18,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:18,721 INFO L93 Difference]: Finished difference Result 12253 states and 22711 transitions. [2018-09-14 18:21:18,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:21:18,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-09-14 18:21:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:18,786 INFO L225 Difference]: With dead ends: 12253 [2018-09-14 18:21:18,786 INFO L226 Difference]: Without dead ends: 9046 [2018-09-14 18:21:18,804 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:21:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2018-09-14 18:21:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 8968. [2018-09-14 18:21:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8968 states. [2018-09-14 18:21:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8968 states to 8968 states and 13250 transitions. [2018-09-14 18:21:19,126 INFO L78 Accepts]: Start accepts. Automaton has 8968 states and 13250 transitions. Word has length 116 [2018-09-14 18:21:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:19,126 INFO L480 AbstractCegarLoop]: Abstraction has 8968 states and 13250 transitions. [2018-09-14 18:21:19,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:21:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 8968 states and 13250 transitions. [2018-09-14 18:21:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-14 18:21:19,136 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:19,137 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:19,137 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash 214507367, now seen corresponding path program 1 times [2018-09-14 18:21:19,142 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:19,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:19,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:19,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:19,144 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:19,473 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:21:19,474 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:21:19,474 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:19,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:21:19,475 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:21:19,475 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:21:19,475 INFO L87 Difference]: Start difference. First operand 8968 states and 13250 transitions. Second operand 6 states. [2018-09-14 18:21:44,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:21:44,274 INFO L93 Difference]: Finished difference Result 27246 states and 40835 transitions. [2018-09-14 18:21:44,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-14 18:21:44,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-09-14 18:21:44,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:21:44,359 INFO L225 Difference]: With dead ends: 27246 [2018-09-14 18:21:44,359 INFO L226 Difference]: Without dead ends: 18284 [2018-09-14 18:21:44,389 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:21:44,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18284 states. [2018-09-14 18:21:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18284 to 18016. [2018-09-14 18:21:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18016 states. [2018-09-14 18:21:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18016 states to 18016 states and 26094 transitions. [2018-09-14 18:21:44,812 INFO L78 Accepts]: Start accepts. Automaton has 18016 states and 26094 transitions. Word has length 124 [2018-09-14 18:21:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:21:44,813 INFO L480 AbstractCegarLoop]: Abstraction has 18016 states and 26094 transitions. [2018-09-14 18:21:44,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:21:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 18016 states and 26094 transitions. [2018-09-14 18:21:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-14 18:21:44,821 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:21:44,821 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:44,822 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:21:44,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1431995601, now seen corresponding path program 1 times [2018-09-14 18:21:44,822 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:21:44,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:44,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:21:44,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:21:44,824 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:21:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:21:45,363 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-09-14 18:21:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:21:45,465 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:21:45,466 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:21:45,466 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:21:45,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:21:45,467 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:21:45,467 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:21:45,467 INFO L87 Difference]: Start difference. First operand 18016 states and 26094 transitions. Second operand 5 states. [2018-09-14 18:22:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:13,372 INFO L93 Difference]: Finished difference Result 55400 states and 81898 transitions. [2018-09-14 18:22:13,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:22:13,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-09-14 18:22:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:13,522 INFO L225 Difference]: With dead ends: 55400 [2018-09-14 18:22:13,522 INFO L226 Difference]: Without dead ends: 37390 [2018-09-14 18:22:13,583 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:22:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37390 states. [2018-09-14 18:22:14,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37390 to 36477. [2018-09-14 18:22:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36477 states. [2018-09-14 18:22:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36477 states to 36477 states and 48127 transitions. [2018-09-14 18:22:14,415 INFO L78 Accepts]: Start accepts. Automaton has 36477 states and 48127 transitions. Word has length 144 [2018-09-14 18:22:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:22:14,416 INFO L480 AbstractCegarLoop]: Abstraction has 36477 states and 48127 transitions. [2018-09-14 18:22:14,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:22:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36477 states and 48127 transitions. [2018-09-14 18:22:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-14 18:22:14,421 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:22:14,421 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:14,421 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:22:14,422 INFO L82 PathProgramCache]: Analyzing trace with hash -963396002, now seen corresponding path program 1 times [2018-09-14 18:22:14,422 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:22:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:14,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:14,423 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:22:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:14,750 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:22:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:14,905 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:22:14,905 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:22:14,905 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:22:14,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:22:14,906 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:22:14,907 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:22:14,907 INFO L87 Difference]: Start difference. First operand 36477 states and 48127 transitions. Second operand 6 states. [2018-09-14 18:22:35,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:22:35,946 INFO L93 Difference]: Finished difference Result 89658 states and 122227 transitions. [2018-09-14 18:22:35,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:22:35,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2018-09-14 18:22:35,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:22:36,104 INFO L225 Difference]: With dead ends: 89658 [2018-09-14 18:22:36,104 INFO L226 Difference]: Without dead ends: 53187 [2018-09-14 18:22:36,205 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:22:36,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53187 states. [2018-09-14 18:22:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53187 to 52179. [2018-09-14 18:22:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52179 states. [2018-09-14 18:22:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52179 states to 52179 states and 67948 transitions. [2018-09-14 18:22:37,165 INFO L78 Accepts]: Start accepts. Automaton has 52179 states and 67948 transitions. Word has length 207 [2018-09-14 18:22:37,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:22:37,165 INFO L480 AbstractCegarLoop]: Abstraction has 52179 states and 67948 transitions. [2018-09-14 18:22:37,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:22:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 52179 states and 67948 transitions. [2018-09-14 18:22:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2018-09-14 18:22:37,187 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:22:37,188 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:37,188 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:22:37,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1904593948, now seen corresponding path program 1 times [2018-09-14 18:22:37,189 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:22:37,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:37,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:37,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:22:37,190 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:22:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:38,536 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:22:38,537 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 18:22:38,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:38,548 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:22:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:38,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:22:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:39,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:22:39,652 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-14 18:22:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:40,457 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:22:40,458 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 18:22:40,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:22:40,474 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:22:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:22:40,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:22:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:22:41,651 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:22:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (3)] Exception during sending of exit command (exit): Broken pipe [2018-09-14 18:22:42,352 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:22:42,352 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-14 18:22:42,352 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:22:42,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:22:42,354 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:22:42,358 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 18:22:42,358 INFO L87 Difference]: Start difference. First operand 52179 states and 67948 transitions. Second operand 9 states. [2018-09-14 18:23:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:23:36,624 INFO L93 Difference]: Finished difference Result 262185 states and 397355 transitions. [2018-09-14 18:23:36,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-14 18:23:36,624 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 715 [2018-09-14 18:23:36,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:23:37,659 INFO L225 Difference]: With dead ends: 262185 [2018-09-14 18:23:37,659 INFO L226 Difference]: Without dead ends: 210012 [2018-09-14 18:23:38,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2885 GetRequests, 2857 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2018-09-14 18:23:38,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210012 states. [2018-09-14 18:23:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210012 to 208302. [2018-09-14 18:23:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208302 states. [2018-09-14 18:23:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208302 states to 208302 states and 281002 transitions. [2018-09-14 18:23:43,948 INFO L78 Accepts]: Start accepts. Automaton has 208302 states and 281002 transitions. Word has length 715 [2018-09-14 18:23:43,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:23:43,949 INFO L480 AbstractCegarLoop]: Abstraction has 208302 states and 281002 transitions. [2018-09-14 18:23:43,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 18:23:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 208302 states and 281002 transitions. [2018-09-14 18:23:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2018-09-14 18:23:44,017 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:44,018 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:23:44,018 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1465161711, now seen corresponding path program 1 times [2018-09-14 18:23:44,019 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:44,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:44,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:44,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:44,020 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-14 18:23:45,907 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,907 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,915 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,915 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,915 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,917 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,918 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,918 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,918 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,920 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,920 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,920 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,921 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,921 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,922 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,922 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,922 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,922 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,923 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,923 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,923 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,924 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,924 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,924 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,926 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,926 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,927 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,927 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,927 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,927 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,928 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,928 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,928 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,928 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,929 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,929 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,930 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,930 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,930 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,930 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,931 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,931 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,931 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,933 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,933 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,933 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,933 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,934 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,934 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,934 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,936 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,936 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,938 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,938 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,938 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,938 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,939 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,939 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,939 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,939 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,941 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,941 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,941 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,941 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,943 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,943 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,943 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,943 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-14 18:23:45,949 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:23:45,957 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:23:45,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:23:45 BoogieIcfgContainer [2018-09-14 18:23:45,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:23:45,959 INFO L168 Benchmark]: Toolchain (without parser) took 233645.67 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,963 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 18:23:45,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3676.31 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.6 MB). Peak memory consumption was 467.8 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 290.05 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,966 INFO L168 Benchmark]: Boogie Preprocessor took 1839.24 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 880.3 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -892.2 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,967 INFO L168 Benchmark]: RCFGBuilder took 22390.37 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 241.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 151.1 MB). Peak memory consumption was 997.0 MB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,969 INFO L168 Benchmark]: TraceAbstraction took 205443.30 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 941.1 MB). Free memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: -483.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-14 18:23:45,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3676.31 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.6 MB). Peak memory consumption was 467.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 290.05 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1839.24 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 880.3 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -892.2 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22390.37 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 241.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 151.1 MB). Peak memory consumption was 997.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205443.30 ms. Allocated memory was 2.9 GB in the beginning and 3.8 GB in the end (delta: 941.1 MB). Free memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: -483.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 121). Cancelled while BasicCegarLoop was analyzing trace of length 921 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 919 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 205.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 186.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3745 SDtfs, 39569 SDslu, 5687 SDs, 0 SdLazy, 74484 SolverSat, 18093 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 161.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2928 GetRequests, 2870 SyntacticMatches, 9 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208302occurred in iteration=6, 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: 8.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 3979 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2778 NumberOfCodeBlocks, 2778 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 4198 ConstructedInterpolants, 0 QuantifiedInterpolants, 4288201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1940 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 875/885 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label13_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-23-46-006.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label13_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-23-46-006.csv Completed graceful shutdown