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_label05_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:05:57,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:05:57,203 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:05:57,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:05:57,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:05:57,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:05:57,217 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:05:57,219 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:05:57,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:05:57,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:05:57,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:05:57,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:05:57,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:05:57,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:05:57,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:05:57,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:05:57,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:05:57,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:05:57,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:05:57,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:05:57,234 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:05:57,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:05:57,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 10:05:57,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 10:05:57,238 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 10:05:57,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 10:05:57,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 10:05:57,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 10:05:57,241 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 10:05:57,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 10:05:57,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 10:05:57,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 10:05:57,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:05:57,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:05:57,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:05:57,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:05:57,246 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 10:05:57,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:05:57,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:05:57,273 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:05:57,273 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:05:57,274 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:05:57,274 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:05:57,274 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:05:57,274 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:05:57,275 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:05:57,275 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:05:57,275 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:05:57,276 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:05:57,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:05:57,277 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:05:57,277 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:05:57,278 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:05:57,278 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:05:57,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:05:57,278 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:05:57,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:05:57,279 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:05:57,279 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:05:57,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:05:57,279 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:05:57,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:05:57,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:05:57,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:05:57,281 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:05:57,282 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:05:57,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:05:57,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:05:57,282 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:05:57,282 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:05:57,283 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:05:57,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:05:57,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:05:57,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:05:57,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:05:57,374 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:05:57,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-18 10:05:57,727 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcc3a5a4/562ed6d653124c8b914a708cde6b98ec/FLAGc3d524439 [2018-09-18 10:05:58,025 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:05:58,026 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-18 10:05:58,042 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcc3a5a4/562ed6d653124c8b914a708cde6b98ec/FLAGc3d524439 [2018-09-18 10:05:58,073 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bcc3a5a4/562ed6d653124c8b914a708cde6b98ec [2018-09-18 10:05:58,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:05:58,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:05:58,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:05:58,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:05:58,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:05:58,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:58,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37de77e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58, skipping insertion in model container [2018-09-18 10:05:58,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:58,118 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:05:58,661 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:05:58,683 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:05:58,799 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:05:58,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58 WrapperNode [2018-09-18 10:05:58,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:05:58,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:05:58,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:05:58,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:05:58,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:58,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:58,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:05:58,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:05:58,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:05:58,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:05:59,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... [2018-09-18 10:05:59,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:05:59,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:05:59,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:05:59,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:05:59,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:05:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:05:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:05:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:05:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:05:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:05:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:05:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:05:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:06:02,867 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:06:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:06:02 BoogieIcfgContainer [2018-09-18 10:06:02,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:06:02,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:06:02,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:06:02,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:06:02,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:05:58" (1/3) ... [2018-09-18 10:06:02,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2dca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:06:02, skipping insertion in model container [2018-09-18 10:06:02,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:58" (2/3) ... [2018-09-18 10:06:02,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2dca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:06:02, skipping insertion in model container [2018-09-18 10:06:02,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:06:02" (3/3) ... [2018-09-18 10:06:02,879 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-09-18 10:06:02,890 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:06:02,901 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:06:02,960 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:06:02,961 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:06:02,962 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:06:02,962 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:06:02,962 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:06:02,962 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:06:02,963 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:06:02,963 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:06:02,963 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:06:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-18 10:06:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-18 10:06:03,007 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:03,009 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:03,011 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:03,017 INFO L82 PathProgramCache]: Analyzing trace with hash -200516955, now seen corresponding path program 1 times [2018-09-18 10:06:03,021 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:03,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:03,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:03,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:03,085 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:03,719 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:06:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:03,812 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:06:03,813 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:06:03,813 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:03,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:06:03,836 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:06:03,837 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:06:03,840 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-09-18 10:06:05,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:05,725 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-09-18 10:06:05,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:06:05,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-09-18 10:06:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:05,748 INFO L225 Difference]: With dead ends: 550 [2018-09-18 10:06:05,748 INFO L226 Difference]: Without dead ends: 340 [2018-09-18 10:06:05,755 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:06:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-09-18 10:06:05,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-09-18 10:06:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-09-18 10:06:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-09-18 10:06:05,835 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 101 [2018-09-18 10:06:05,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:05,836 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-09-18 10:06:05,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:06:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-09-18 10:06:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-18 10:06:05,844 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:05,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:05,844 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:05,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1760831450, now seen corresponding path program 1 times [2018-09-18 10:06:05,845 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:05,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:05,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:05,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:05,848 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:06,117 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:06:06,117 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:06:06,117 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:06,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:06:06,120 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:06:06,120 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:06:06,120 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-09-18 10:06:08,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:08,171 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-09-18 10:06:08,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:06:08,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-09-18 10:06:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:08,178 INFO L225 Difference]: With dead ends: 888 [2018-09-18 10:06:08,179 INFO L226 Difference]: Without dead ends: 554 [2018-09-18 10:06:08,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:06:08,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-09-18 10:06:08,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-09-18 10:06:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-09-18 10:06:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-09-18 10:06:08,231 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 112 [2018-09-18 10:06:08,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:08,232 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-09-18 10:06:08,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:06:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-09-18 10:06:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-18 10:06:08,236 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:08,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:08,237 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:08,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914094, now seen corresponding path program 1 times [2018-09-18 10:06:08,238 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:08,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:08,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:08,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:08,239 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:08,399 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:06:08,400 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:06:08,400 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:08,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:06:08,401 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:06:08,401 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:06:08,401 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-09-18 10:06:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:09,448 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-09-18 10:06:09,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:06:09,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-09-18 10:06:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:09,460 INFO L225 Difference]: With dead ends: 1530 [2018-09-18 10:06:09,460 INFO L226 Difference]: Without dead ends: 997 [2018-09-18 10:06:09,464 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 [2018-09-18 10:06:09,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-09-18 10:06:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-09-18 10:06:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-09-18 10:06:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-09-18 10:06:09,514 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 113 [2018-09-18 10:06:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:09,515 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-09-18 10:06:09,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:06:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-09-18 10:06:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-18 10:06:09,523 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:09,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:09,524 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:09,526 INFO L82 PathProgramCache]: Analyzing trace with hash 790407278, now seen corresponding path program 1 times [2018-09-18 10:06:09,526 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:09,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:09,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:09,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:09,528 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:09,772 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:06:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:10,219 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:06:10,219 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:06:10,219 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:10,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:06:10,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:06:10,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:06:10,220 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-09-18 10:06:13,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:13,489 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-09-18 10:06:13,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:06:13,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-09-18 10:06:13,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:13,513 INFO L225 Difference]: With dead ends: 2927 [2018-09-18 10:06:13,513 INFO L226 Difference]: Without dead ends: 1936 [2018-09-18 10:06:13,520 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:06:13,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-09-18 10:06:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-09-18 10:06:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-09-18 10:06:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-09-18 10:06:13,616 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 127 [2018-09-18 10:06:13,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:13,617 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-09-18 10:06:13,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:06:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-09-18 10:06:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-18 10:06:13,624 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:13,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:13,625 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:13,625 INFO L82 PathProgramCache]: Analyzing trace with hash 323635751, now seen corresponding path program 1 times [2018-09-18 10:06:13,625 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:13,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:13,627 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:13,853 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:13,853 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:06:13,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:13,863 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:13,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:14,260 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:14,525 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-18 10:06:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:14,979 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:14,979 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 [2018-09-18 10:06:15,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:15,009 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:15,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:15,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-18 10:06:15,480 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-18 10:06:15,481 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 7] total 10 [2018-09-18 10:06:15,481 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:15,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:06:15,483 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:06:15,483 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-18 10:06:15,484 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 5 states. [2018-09-18 10:06:18,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:18,104 INFO L93 Difference]: Finished difference Result 4306 states and 6214 transitions. [2018-09-18 10:06:18,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-18 10:06:18,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-09-18 10:06:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:18,119 INFO L225 Difference]: With dead ends: 4306 [2018-09-18 10:06:18,119 INFO L226 Difference]: Without dead ends: 2431 [2018-09-18 10:06:18,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 569 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:06:18,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2018-09-18 10:06:18,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2431. [2018-09-18 10:06:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2018-09-18 10:06:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3427 transitions. [2018-09-18 10:06:18,200 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3427 transitions. Word has length 145 [2018-09-18 10:06:18,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:18,200 INFO L480 AbstractCegarLoop]: Abstraction has 2431 states and 3427 transitions. [2018-09-18 10:06:18,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:06:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3427 transitions. [2018-09-18 10:06:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-18 10:06:18,210 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:18,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:18,211 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:18,211 INFO L82 PathProgramCache]: Analyzing trace with hash -501101009, now seen corresponding path program 1 times [2018-09-18 10:06:18,211 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:18,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:18,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:18,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:18,213 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:18,502 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:18,502 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:06:18,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:18,509 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:18,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:06:18,676 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:06:18,849 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:18,849 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:06:18,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:18,866 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:19,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 10:06:19,207 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (5)] Exception during sending of exit command (exit): Broken pipe [2018-09-18 10:06:19,596 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:06:19,596 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 4, 4] total 13 [2018-09-18 10:06:19,596 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:06:19,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-18 10:06:19,598 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-18 10:06:19,598 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-18 10:06:19,598 INFO L87 Difference]: Start difference. First operand 2431 states and 3427 transitions. Second operand 8 states. [2018-09-18 10:06:20,132 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 10:06:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:23,982 INFO L93 Difference]: Finished difference Result 6174 states and 9283 transitions. [2018-09-18 10:06:23,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-18 10:06:23,985 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-09-18 10:06:23,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:24,010 INFO L225 Difference]: With dead ends: 6174 [2018-09-18 10:06:24,010 INFO L226 Difference]: Without dead ends: 3749 [2018-09-18 10:06:24,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 594 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2018-09-18 10:06:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2018-09-18 10:06:24,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3312. [2018-09-18 10:06:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2018-09-18 10:06:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4291 transitions. [2018-09-18 10:06:24,151 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4291 transitions. Word has length 149 [2018-09-18 10:06:24,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:24,152 INFO L480 AbstractCegarLoop]: Abstraction has 3312 states and 4291 transitions. [2018-09-18 10:06:24,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-18 10:06:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4291 transitions. [2018-09-18 10:06:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-18 10:06:24,163 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:24,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:24,163 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:24,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1202190697, now seen corresponding path program 1 times [2018-09-18 10:06:24,164 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:24,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:24,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:24,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:24,165 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:06:24,352 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:24,352 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:06:24,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:24,363 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:24,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-09-18 10:06:24,525 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-09-18 10:06:24,781 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 10:06:24,781 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2018-09-18 10:06:24,781 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:06:24,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 10:06:24,782 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 10:06:24,782 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:06:24,783 INFO L87 Difference]: Start difference. First operand 3312 states and 4291 transitions. Second operand 4 states. [2018-09-18 10:06:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:25,999 INFO L93 Difference]: Finished difference Result 9161 states and 12046 transitions. [2018-09-18 10:06:26,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:06:26,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2018-09-18 10:06:26,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:26,029 INFO L225 Difference]: With dead ends: 9161 [2018-09-18 10:06:26,029 INFO L226 Difference]: Without dead ends: 5855 [2018-09-18 10:06:26,044 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:06:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2018-09-18 10:06:26,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 5841. [2018-09-18 10:06:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5841 states. [2018-09-18 10:06:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 7501 transitions. [2018-09-18 10:06:26,207 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 7501 transitions. Word has length 169 [2018-09-18 10:06:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:26,208 INFO L480 AbstractCegarLoop]: Abstraction has 5841 states and 7501 transitions. [2018-09-18 10:06:26,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 10:06:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 7501 transitions. [2018-09-18 10:06:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-18 10:06:26,228 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:06:26,229 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:06:26,229 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:06:26,229 INFO L82 PathProgramCache]: Analyzing trace with hash 51382934, now seen corresponding path program 1 times [2018-09-18 10:06:26,230 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:06:26,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:26,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:26,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:06:26,231 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:06:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:06:26,532 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:26,532 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:06:26,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:26,549 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:26,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-09-18 10:06:27,203 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:06:27,438 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:06:27,438 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 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:06:27,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:06:27,466 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:06:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:06:27,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:06:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-09-18 10:06:27,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:06:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-18 10:06:27,901 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:06:27,901 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 17 [2018-09-18 10:06:27,901 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:06:27,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-18 10:06:27,902 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-18 10:06:27,902 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-09-18 10:06:27,903 INFO L87 Difference]: Start difference. First operand 5841 states and 7501 transitions. Second operand 8 states. [2018-09-18 10:06:32,868 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-18 10:06:33,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:06:33,923 INFO L93 Difference]: Finished difference Result 14282 states and 19392 transitions. [2018-09-18 10:06:33,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-18 10:06:33,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-09-18 10:06:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:06:33,923 INFO L225 Difference]: With dead ends: 14282 [2018-09-18 10:06:33,924 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:06:33,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=280, Invalid=1202, Unknown=0, NotChecked=0, Total=1482 [2018-09-18 10:06:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:06:33,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:06:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:06:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:06:33,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-09-18 10:06:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:06:33,978 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:06:33,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-18 10:06:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:06:33,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:06:33,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:06:34,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,531 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 142 [2018-09-18 10:06:34,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:06:34,789 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 142 [2018-09-18 10:06:34,974 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-18 10:06:35,278 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-09-18 10:06:38,571 WARN L178 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 175 DAG size of output: 53 [2018-09-18 10:06:39,506 WARN L178 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-09-18 10:06:40,050 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 48 [2018-09-18 10:06:40,053 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:06:40,054 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (not (= 1 |old(~a21~0)|)) (= ~a21~0 1)) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-09-18 10:06:40,054 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:06:40,054 INFO L426 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-09-18 10:06:40,054 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-09-18 10:06:40,054 INFO L426 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,054 INFO L426 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-09-18 10:06:40,055 INFO L426 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,056 INFO L426 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-09-18 10:06:40,057 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-09-18 10:06:40,058 INFO L426 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-09-18 10:06:40,059 INFO L426 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-09-18 10:06:40,060 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-09-18 10:06:40,061 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,062 INFO L426 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-09-18 10:06:40,063 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-09-18 10:06:40,064 INFO L426 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-09-18 10:06:40,065 INFO L426 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= 1 ~a21~0)) (.cse9 (= |old(~a16~0)| ~a16~0)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= |old(~a8~0)| ~a8~0)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a20~0 |old(~a20~0)|))) (let ((.cse0 (= 6 |old(~a16~0)|)) (.cse14 (< 13 |old(~a8~0)|)) (.cse4 (not (= 1 |old(~a7~0)|))) (.cse15 (< 0 |old(~a21~0)|)) (.cse16 (and .cse9 .cse17 .cse7 .cse8 (<= ~a21~0 |old(~a21~0)|) .cse11)) (.cse6 (= 13 |old(~a8~0)|)) (.cse12 (and .cse17 .cse7 .cse8 .cse9 .cse10 .cse11)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse3 (not (= 1 |old(~a20~0)|))) (.cse13 (< 0 |old(~a7~0)|)) (.cse2 (and .cse9 .cse17 .cse7 .cse8 .cse10 .cse11)) (.cse5 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 (and (= 1 ~a7~0) .cse7 .cse8 .cse9 .cse10 .cse11) .cse4) (or .cse0 .cse1 .cse12 .cse13) (or .cse14 (or .cse0 .cse15) .cse16 .cse4) (or .cse14 .cse3 .cse4 .cse15 .cse16) (or .cse1 .cse6 .cse13 .cse12) (or .cse1 .cse3 .cse13 .cse2 .cse5)))) [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,066 INFO L426 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-09-18 10:06:40,067 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-09-18 10:06:40,068 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-09-18 10:06:40,069 INFO L426 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-09-18 10:06:40,070 INFO L426 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-09-18 10:06:40,071 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:06:40,071 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-09-18 10:06:40,071 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-09-18 10:06:40,072 INFO L422 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse7 (not (= ~a8~0 13))) (.cse2 (<= ~a7~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 1 ~a17~0)) (.cse3 (<= ~a8~0 13)) (.cse4 (= 1 ~a7~0)) (.cse5 (<= ~a21~0 0)) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse4 (and .cse0 .cse1 .cse7)) (and .cse6 .cse1 .cse2 .cse8) (and .cse4 .cse6 .cse0 .cse1 .cse8) (and .cse3 .cse4 .cse5 .cse0) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|))) [2018-09-18 10:06:40,072 INFO L426 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-09-18 10:06:40,072 INFO L426 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-09-18 10:06:40,072 INFO L426 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-09-18 10:06:40,072 INFO L422 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse7 (not (= ~a8~0 13))) (.cse2 (<= ~a7~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 1 ~a17~0)) (.cse3 (<= ~a8~0 13)) (.cse4 (= 1 ~a7~0)) (.cse5 (<= ~a21~0 0)) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse4 (and .cse0 .cse1 .cse7)) (and .cse6 .cse1 .cse2 .cse8) (and .cse4 .cse6 .cse0 .cse1 .cse8) (and .cse3 .cse4 .cse5 .cse0) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|))) [2018-09-18 10:06:40,072 INFO L426 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-09-18 10:06:40,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:06:40 BoogieIcfgContainer [2018-09-18 10:06:40,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:06:40,098 INFO L168 Benchmark]: Toolchain (without parser) took 42013.41 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -874.1 MB). Peak memory consumption was 906.7 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,100 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:06:40,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,102 INFO L168 Benchmark]: Boogie Preprocessor took 243.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,103 INFO L168 Benchmark]: RCFGBuilder took 3690.42 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,104 INFO L168 Benchmark]: TraceAbstraction took 37227.85 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 437.8 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -173.4 MB). Peak memory consumption was 842.4 MB. Max. memory is 7.1 GB. [2018-09-18 10:06:40,111 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 743.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 100.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 243.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -848.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3690.42 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37227.85 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 437.8 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -173.4 MB). Peak memory consumption was 842.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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)) || ((!(a16 == 6) && 1 == a21) && a7 <= 0)) || !(1 == \old(a20))) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 == a20)) || ((1 == a21 && !(a8 == 13)) && a7 <= 0)) || (1 == a7 && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17)) || ((((1 == a7 && 1 == a20) && !(a16 == 6)) && 1 == a21) && 1 == a17)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6))) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || !(1 == \old(a17))) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 37.1s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 22.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 760 SDtfs, 5952 SDslu, 978 SDs, 0 SdLazy, 8805 SolverSat, 1725 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2351 GetRequests, 2237 SyntacticMatches, 19 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5841occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 521 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 203 PreInvPairs, 415 NumberOfFragments, 584 HoareAnnotationTreeSize, 203 FomulaSimplifications, 18388 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11997 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2216 NumberOfCodeBlocks, 2216 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3313 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202675 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3213 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1137/1298 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_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-06-40-128.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-06-40-128.csv Received shutdown request...