java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label15_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 14:18:12,193 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 14:18:12,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 14:18:12,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 14:18:12,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 14:18:12,210 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 14:18:12,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 14:18:12,213 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 14:18:12,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 14:18:12,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 14:18:12,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 14:18:12,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 14:18:12,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 14:18:12,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 14:18:12,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 14:18:12,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 14:18:12,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 14:18:12,224 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 14:18:12,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 14:18:12,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 14:18:12,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 14:18:12,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 14:18:12,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 14:18:12,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 14:18:12,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 14:18:12,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 14:18:12,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 14:18:12,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 14:18:12,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 14:18:12,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 14:18:12,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 14:18:12,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 14:18:12,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 14:18:12,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 14:18:12,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 14:18:12,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 14:18:12,249 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 [2018-07-24 14:18:12,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 14:18:12,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 14:18:12,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 14:18:12,275 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 14:18:12,275 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 14:18:12,276 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 14:18:12,276 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 14:18:12,276 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 14:18:12,276 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 14:18:12,277 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 14:18:12,277 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 14:18:12,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 14:18:12,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 14:18:12,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 14:18:12,278 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 14:18:12,278 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 14:18:12,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 14:18:12,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 14:18:12,279 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 14:18:12,279 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 14:18:12,279 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 14:18:12,280 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 14:18:12,280 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 14:18:12,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 14:18:12,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 14:18:12,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 14:18:12,281 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 14:18:12,281 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 14:18:12,281 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 14:18:12,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 14:18:12,281 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 14:18:12,282 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 14:18:12,282 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 14:18:12,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 14:18:12,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 14:18:12,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 14:18:12,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 14:18:12,361 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 14:18:12,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label15_true-unreach-call.c [2018-07-24 14:18:12,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f54105/5511fe683df14d189998de8c96b3cead/FLAG8d4a67e99 [2018-07-24 14:18:13,179 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 14:18:13,180 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label15_true-unreach-call.c [2018-07-24 14:18:13,224 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f54105/5511fe683df14d189998de8c96b3cead/FLAG8d4a67e99 [2018-07-24 14:18:13,246 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0f54105/5511fe683df14d189998de8c96b3cead [2018-07-24 14:18:13,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 14:18:13,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 14:18:13,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 14:18:13,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 14:18:13,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 14:18:13,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:18:13" (1/1) ... [2018-07-24 14:18:13,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289e1f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:13, skipping insertion in model container [2018-07-24 14:18:13,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 02:18:13" (1/1) ... [2018-07-24 14:18:13,647 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 14:18:14,913 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:18:14,932 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 14:18:15,889 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 14:18:16,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16 WrapperNode [2018-07-24 14:18:16,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 14:18:16,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 14:18:16,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 14:18:16,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 14:18:16,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:16,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:16,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 14:18:16,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 14:18:16,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 14:18:16,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 14:18:16,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:16,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:16,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:16,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:17,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:17,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:17,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (1/1) ... [2018-07-24 14:18:17,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 14:18:17,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 14:18:17,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 14:18:17,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 14:18:17,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (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 [2018-07-24 14:18:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 14:18:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 14:18:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 14:18:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 14:18:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 14:18:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 14:18:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 14:18:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 14:18:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 14:18:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 14:18:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 14:18:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 14:18:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 14:18:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 14:18:30,454 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 14:18:30,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:18:30 BoogieIcfgContainer [2018-07-24 14:18:30,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 14:18:30,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 14:18:30,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 14:18:30,460 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 14:18:30,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 02:18:13" (1/3) ... [2018-07-24 14:18:30,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebab2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:18:30, skipping insertion in model container [2018-07-24 14:18:30,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 02:18:16" (2/3) ... [2018-07-24 14:18:30,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebab2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 02:18:30, skipping insertion in model container [2018-07-24 14:18:30,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 02:18:30" (3/3) ... [2018-07-24 14:18:30,463 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label15_true-unreach-call.c [2018-07-24 14:18:30,473 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 14:18:30,484 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 14:18:30,546 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 14:18:30,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 14:18:30,547 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 14:18:30,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 14:18:30,548 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 14:18:30,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 14:18:30,548 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 14:18:30,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 14:18:30,548 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 14:18:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-24 14:18:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-24 14:18:30,602 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:18:30,603 INFO L353 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] [2018-07-24 14:18:30,604 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:18:30,609 INFO L82 PathProgramCache]: Analyzing trace with hash -381152383, now seen corresponding path program 1 times [2018-07-24 14:18:30,611 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:18:30,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:18:30,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:18:30,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:18:30,665 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:18:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:18:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:18:31,168 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:18:31,169 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:18:31,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:18:31,175 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:18:31,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:18:31,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:18:31,195 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 4 states. [2018-07-24 14:18:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:18:48,305 INFO L93 Difference]: Finished difference Result 4065 states and 7606 transitions. [2018-07-24 14:18:48,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:18:48,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-07-24 14:18:48,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:18:48,358 INFO L225 Difference]: With dead ends: 4065 [2018-07-24 14:18:48,359 INFO L226 Difference]: Without dead ends: 2939 [2018-07-24 14:18:48,371 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:18:48,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2018-07-24 14:18:48,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 1972. [2018-07-24 14:18:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1972 states. [2018-07-24 14:18:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 3594 transitions. [2018-07-24 14:18:48,563 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 3594 transitions. Word has length 43 [2018-07-24 14:18:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:18:48,564 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 3594 transitions. [2018-07-24 14:18:48,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:18:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 3594 transitions. [2018-07-24 14:18:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-24 14:18:48,572 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:18:48,572 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:18:48,573 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:18:48,573 INFO L82 PathProgramCache]: Analyzing trace with hash -576558653, now seen corresponding path program 1 times [2018-07-24 14:18:48,573 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:18:48,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:18:48,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:18:48,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:18:48,575 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:18:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:18:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:18:48,905 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:18:48,906 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 14:18:48,906 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:18:48,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:18:48,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:18:48,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:18:48,909 INFO L87 Difference]: Start difference. First operand 1972 states and 3594 transitions. Second operand 6 states. [2018-07-24 14:19:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:19:03,864 INFO L93 Difference]: Finished difference Result 5660 states and 10515 transitions. [2018-07-24 14:19:03,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 14:19:03,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-07-24 14:19:03,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:19:03,891 INFO L225 Difference]: With dead ends: 5660 [2018-07-24 14:19:03,892 INFO L226 Difference]: Without dead ends: 3694 [2018-07-24 14:19:03,900 INFO L573 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 [2018-07-24 14:19:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2018-07-24 14:19:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3663. [2018-07-24 14:19:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3663 states. [2018-07-24 14:19:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 6064 transitions. [2018-07-24 14:19:04,004 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 6064 transitions. Word has length 116 [2018-07-24 14:19:04,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:19:04,005 INFO L471 AbstractCegarLoop]: Abstraction has 3663 states and 6064 transitions. [2018-07-24 14:19:04,005 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 14:19:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 6064 transitions. [2018-07-24 14:19:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-24 14:19:04,010 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:19:04,010 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:19:04,010 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:19:04,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1104941212, now seen corresponding path program 1 times [2018-07-24 14:19:04,011 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:19:04,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:04,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:19:04,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:04,013 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:19:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:19:04,302 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 14:19:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:19:04,467 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:19:04,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 14:19:04,467 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:19:04,468 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 14:19:04,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 14:19:04,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:19:04,469 INFO L87 Difference]: Start difference. First operand 3663 states and 6064 transitions. Second operand 6 states. [2018-07-24 14:19:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:19:20,376 INFO L93 Difference]: Finished difference Result 12410 states and 20905 transitions. [2018-07-24 14:19:20,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 14:19:20,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-07-24 14:19:20,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:19:20,426 INFO L225 Difference]: With dead ends: 12410 [2018-07-24 14:19:20,426 INFO L226 Difference]: Without dead ends: 8753 [2018-07-24 14:19:20,449 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 14:19:20,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-07-24 14:19:20,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8702. [2018-07-24 14:19:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8702 states. [2018-07-24 14:19:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8702 states to 8702 states and 13042 transitions. [2018-07-24 14:19:20,733 INFO L78 Accepts]: Start accepts. Automaton has 8702 states and 13042 transitions. Word has length 129 [2018-07-24 14:19:20,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:19:20,734 INFO L471 AbstractCegarLoop]: Abstraction has 8702 states and 13042 transitions. [2018-07-24 14:19:20,734 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 14:19:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8702 states and 13042 transitions. [2018-07-24 14:19:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-24 14:19:20,742 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:19:20,743 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:19:20,743 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:19:20,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1411381596, now seen corresponding path program 1 times [2018-07-24 14:19:20,744 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:19:20,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:20,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:19:20,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:20,745 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:19:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:19:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:19:21,280 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:19:21,280 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 14:19:21,281 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:19:21,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:19:21,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:19:21,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 14:19:21,282 INFO L87 Difference]: Start difference. First operand 8702 states and 13042 transitions. Second operand 5 states. [2018-07-24 14:19:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:19:34,669 INFO L93 Difference]: Finished difference Result 26433 states and 42234 transitions. [2018-07-24 14:19:34,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:19:34,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-07-24 14:19:34,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:19:34,773 INFO L225 Difference]: With dead ends: 26433 [2018-07-24 14:19:34,774 INFO L226 Difference]: Without dead ends: 17737 [2018-07-24 14:19:34,808 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 14:19:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17737 states. [2018-07-24 14:19:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17737 to 17457. [2018-07-24 14:19:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17457 states. [2018-07-24 14:19:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17457 states to 17457 states and 25482 transitions. [2018-07-24 14:19:35,382 INFO L78 Accepts]: Start accepts. Automaton has 17457 states and 25482 transitions. Word has length 145 [2018-07-24 14:19:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:19:35,382 INFO L471 AbstractCegarLoop]: Abstraction has 17457 states and 25482 transitions. [2018-07-24 14:19:35,382 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:19:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 17457 states and 25482 transitions. [2018-07-24 14:19:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-24 14:19:35,385 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:19:35,386 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 14:19:35,386 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:19:35,386 INFO L82 PathProgramCache]: Analyzing trace with hash -261832020, now seen corresponding path program 1 times [2018-07-24 14:19:35,386 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:19:35,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:35,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:19:35,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:19:35,388 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:19:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:19:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:19:35,721 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:19:35,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 14:19:35,721 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:19:35,722 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:19:35,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:19:35,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 14:19:35,723 INFO L87 Difference]: Start difference. First operand 17457 states and 25482 transitions. Second operand 5 states. [2018-07-24 14:20:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:20:04,639 INFO L93 Difference]: Finished difference Result 53248 states and 82553 transitions. [2018-07-24 14:20:04,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:20:04,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-07-24 14:20:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:20:04,787 INFO L225 Difference]: With dead ends: 53248 [2018-07-24 14:20:04,788 INFO L226 Difference]: Without dead ends: 35797 [2018-07-24 14:20:04,863 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 14:20:04,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35797 states. [2018-07-24 14:20:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35797 to 35521. [2018-07-24 14:20:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35521 states. [2018-07-24 14:20:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35521 states to 35521 states and 52225 transitions. [2018-07-24 14:20:05,664 INFO L78 Accepts]: Start accepts. Automaton has 35521 states and 52225 transitions. Word has length 149 [2018-07-24 14:20:05,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:20:05,664 INFO L471 AbstractCegarLoop]: Abstraction has 35521 states and 52225 transitions. [2018-07-24 14:20:05,665 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:20:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 35521 states and 52225 transitions. [2018-07-24 14:20:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-24 14:20:05,668 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:20:05,668 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:20:05,668 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:20:05,668 INFO L82 PathProgramCache]: Analyzing trace with hash 536618048, now seen corresponding path program 1 times [2018-07-24 14:20:05,669 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:20:05,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:05,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:05,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:05,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:20:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:05,890 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 14:20:05,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 14:20:05,891 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:20:05,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 14:20:05,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 14:20:05,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:20:05,892 INFO L87 Difference]: Start difference. First operand 35521 states and 52225 transitions. Second operand 4 states. [2018-07-24 14:20:20,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:20:20,501 INFO L93 Difference]: Finished difference Result 130051 states and 208261 transitions. [2018-07-24 14:20:20,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 14:20:20,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2018-07-24 14:20:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:20:20,894 INFO L225 Difference]: With dead ends: 130051 [2018-07-24 14:20:20,894 INFO L226 Difference]: Without dead ends: 94536 [2018-07-24 14:20:21,127 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 14:20:21,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94536 states. [2018-07-24 14:20:23,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94536 to 94494. [2018-07-24 14:20:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94494 states. [2018-07-24 14:20:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94494 states to 94494 states and 136795 transitions. [2018-07-24 14:20:23,479 INFO L78 Accepts]: Start accepts. Automaton has 94494 states and 136795 transitions. Word has length 159 [2018-07-24 14:20:23,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:20:23,480 INFO L471 AbstractCegarLoop]: Abstraction has 94494 states and 136795 transitions. [2018-07-24 14:20:23,480 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 14:20:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 94494 states and 136795 transitions. [2018-07-24 14:20:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-07-24 14:20:23,590 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:20:23,590 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:20:23,591 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:20:23,591 INFO L82 PathProgramCache]: Analyzing trace with hash -749711095, now seen corresponding path program 1 times [2018-07-24 14:20:23,591 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:20:23,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:23,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:23,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:23,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:20:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 152 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:20:24,220 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:20:24,220 INFO L191 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 [2018-07-24 14:20:24,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:24,248 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:20:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:24,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:20:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-07-24 14:20:24,723 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:20:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-07-24 14:20:25,077 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 14:20:25,077 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-07-24 14:20:25,077 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:20:25,079 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 14:20:25,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 14:20:25,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:20:25,079 INFO L87 Difference]: Start difference. First operand 94494 states and 136795 transitions. Second operand 3 states. [2018-07-24 14:20:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:20:34,314 INFO L93 Difference]: Finished difference Result 200306 states and 292918 transitions. [2018-07-24 14:20:34,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 14:20:34,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 395 [2018-07-24 14:20:34,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:20:34,880 INFO L225 Difference]: With dead ends: 200306 [2018-07-24 14:20:34,881 INFO L226 Difference]: Without dead ends: 105818 [2018-07-24 14:20:35,230 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 796 GetRequests, 790 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 14:20:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105818 states. [2018-07-24 14:20:37,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105818 to 102600. [2018-07-24 14:20:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102600 states. [2018-07-24 14:20:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102600 states to 102600 states and 138423 transitions. [2018-07-24 14:20:38,027 INFO L78 Accepts]: Start accepts. Automaton has 102600 states and 138423 transitions. Word has length 395 [2018-07-24 14:20:38,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:20:38,028 INFO L471 AbstractCegarLoop]: Abstraction has 102600 states and 138423 transitions. [2018-07-24 14:20:38,028 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 14:20:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 102600 states and 138423 transitions. [2018-07-24 14:20:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-07-24 14:20:38,104 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:20:38,105 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:20:38,105 INFO L414 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:20:38,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1622307295, now seen corresponding path program 1 times [2018-07-24 14:20:38,106 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:20:38,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:38,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:38,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:20:38,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:20:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:38,880 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:20:38,880 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:20:38,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:38,896 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:20:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:39,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:20:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:39,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:20:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:40,956 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:20:40,957 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:20:40,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:20:40,984 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:20:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:20:41,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:20:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:41,628 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:20:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 14:20:42,059 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:20:42,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 14:20:42,060 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:20:42,061 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 14:20:42,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 14:20:42,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 14:20:42,061 INFO L87 Difference]: Start difference. First operand 102600 states and 138423 transitions. Second operand 9 states. [2018-07-24 14:21:07,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:21:07,119 INFO L93 Difference]: Finished difference Result 281028 states and 435555 transitions. [2018-07-24 14:21:07,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-24 14:21:07,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 443 [2018-07-24 14:21:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:21:07,996 INFO L225 Difference]: With dead ends: 281028 [2018-07-24 14:21:07,997 INFO L226 Difference]: Without dead ends: 178434 [2018-07-24 14:21:08,295 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1797 GetRequests, 1767 SyntacticMatches, 9 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2018-07-24 14:21:08,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178434 states. [2018-07-24 14:21:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178434 to 176604. [2018-07-24 14:21:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176604 states. [2018-07-24 14:21:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176604 states to 176604 states and 259965 transitions. [2018-07-24 14:21:12,615 INFO L78 Accepts]: Start accepts. Automaton has 176604 states and 259965 transitions. Word has length 443 [2018-07-24 14:21:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:21:12,616 INFO L471 AbstractCegarLoop]: Abstraction has 176604 states and 259965 transitions. [2018-07-24 14:21:12,617 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 14:21:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 176604 states and 259965 transitions. [2018-07-24 14:21:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2018-07-24 14:21:12,751 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:21:12,752 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:21:12,752 INFO L414 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:21:12,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1385991310, now seen corresponding path program 1 times [2018-07-24 14:21:12,753 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:21:12,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:21:12,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:21:12,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:21:12,754 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:21:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:21:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 72 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:21:13,229 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:21:13,229 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 14:21:13,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:21:13,238 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:21:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:21:13,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:21:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-07-24 14:21:13,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:21:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 72 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 14:21:15,119 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 14:21:15,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-07-24 14:21:15,119 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 14:21:15,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 14:21:15,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 14:21:15,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-07-24 14:21:15,121 INFO L87 Difference]: Start difference. First operand 176604 states and 259965 transitions. Second operand 5 states. [2018-07-24 14:21:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 14:21:34,503 INFO L93 Difference]: Finished difference Result 449099 states and 706376 transitions. [2018-07-24 14:21:34,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:21:34,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 489 [2018-07-24 14:21:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 14:21:35,943 INFO L225 Difference]: With dead ends: 449099 [2018-07-24 14:21:35,943 INFO L226 Difference]: Without dead ends: 272501 [2018-07-24 14:21:37,814 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 973 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-07-24 14:21:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272501 states. [2018-07-24 14:21:50,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272501 to 271119. [2018-07-24 14:21:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271119 states. [2018-07-24 14:21:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271119 states to 271119 states and 394295 transitions. [2018-07-24 14:21:51,053 INFO L78 Accepts]: Start accepts. Automaton has 271119 states and 394295 transitions. Word has length 489 [2018-07-24 14:21:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 14:21:51,054 INFO L471 AbstractCegarLoop]: Abstraction has 271119 states and 394295 transitions. [2018-07-24 14:21:51,054 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 14:21:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 271119 states and 394295 transitions. [2018-07-24 14:21:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2018-07-24 14:21:51,148 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 14:21:51,148 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 14:21:51,148 INFO L414 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 14:21:51,149 INFO L82 PathProgramCache]: Analyzing trace with hash 150399298, now seen corresponding path program 1 times [2018-07-24 14:21:51,149 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 14:21:51,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:21:51,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:21:51,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 14:21:51,150 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 14:21:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:21:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 313 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-07-24 14:21:52,658 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:21:52,659 INFO L191 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 [2018-07-24 14:21:52,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:21:52,667 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:21:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:21:52,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:21:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 14:21:53,084 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:21:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 14:21:53,470 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 14:21:53,470 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-07-24 14:21:53,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 14:21:53,487 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 14:21:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 14:21:54,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 14:21:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 313 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-07-24 14:21:54,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 14:21:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 315 proven. 4 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-07-24 14:21:54,971 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 14:21:54,972 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-07-24 14:21:54,972 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 14:21:54,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 14:21:54,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 14:21:54,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-07-24 14:21:54,974 INFO L87 Difference]: Start difference. First operand 271119 states and 394295 transitions. Second operand 9 states. Received shutdown request... [2018-07-24 14:21:55,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 14:21:55,868 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 14:21:55,873 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 14:21:55,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 02:21:55 BoogieIcfgContainer [2018-07-24 14:21:55,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 14:21:55,874 INFO L168 Benchmark]: Toolchain (without parser) took 222614.75 ms. Allocated memory was 1.5 GB in the beginning and 5.1 GB in the end (delta: 3.6 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -992.2 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,875 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-07-24 14:21:55,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3053.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 341.9 MB). Peak memory consumption was 341.9 MB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 314.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,877 INFO L168 Benchmark]: Boogie Preprocessor took 1351.68 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,878 INFO L168 Benchmark]: RCFGBuilder took 12471.93 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.0 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 93.1 MB). Peak memory consumption was 763.0 MB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,879 INFO L168 Benchmark]: TraceAbstraction took 205417.32 ms. Allocated memory was 2.7 GB in the beginning and 5.1 GB in the end (delta: 2.4 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -114.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-24 14:21:55,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3053.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 341.9 MB). Peak memory consumption was 341.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 314.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1351.68 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12471.93 ms. Allocated memory was 2.6 GB in the beginning and 2.7 GB in the end (delta: 151.0 MB). Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 93.1 MB). Peak memory consumption was 763.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205417.32 ms. Allocated memory was 2.7 GB in the beginning and 5.1 GB in the end (delta: 2.4 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -114.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 120). Cancelled while BasicCegarLoop was constructing difference of abstraction (271119states) and interpolant automaton (currently 8 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (1182 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 205.3s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 166.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4984 SDtfs, 32411 SDslu, 4422 SDs, 0 SdLazy, 56864 SolverSat, 13829 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 130.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5665 GetRequests, 5565 SyntacticMatches, 21 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271119occurred in iteration=9, 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: 24.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 8077 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 5356 NumberOfCodeBlocks, 5356 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 8116 ConstructedInterpolants, 0 QuantifiedInterpolants, 10930779 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4223 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 3974/4416 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_14-21-55-898.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label15_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_14-21-55-898.csv Completed graceful shutdown