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/Problem19_label27_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 12:38:33,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 12:38:33,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 12:38:33,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 12:38:33,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 12:38:33,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 12:38:33,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 12:38:33,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 12:38:33,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 12:38:33,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 12:38:33,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 12:38:33,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 12:38:33,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 12:38:33,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 12:38:33,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 12:38:33,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 12:38:33,701 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 12:38:33,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 12:38:33,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 12:38:33,711 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 12:38:33,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 12:38:33,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 12:38:33,721 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 12:38:33,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 12:38:33,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 12:38:33,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 12:38:33,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 12:38:33,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 12:38:33,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 12:38:33,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 12:38:33,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 12:38:33,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 12:38:33,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 12:38:33,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 12:38:33,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 12:38:33,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 12:38:33,737 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 12:38:33,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 12:38:33,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 12:38:33,759 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 12:38:33,760 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 12:38:33,760 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 12:38:33,760 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 12:38:33,760 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 12:38:33,760 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 12:38:33,761 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 12:38:33,761 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 12:38:33,761 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 12:38:33,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 12:38:33,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 12:38:33,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 12:38:33,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 12:38:33,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 12:38:33,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 12:38:33,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 12:38:33,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 12:38:33,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 12:38:33,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 12:38:33,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 12:38:33,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 12:38:33,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 12:38:33,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 12:38:33,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 12:38:33,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 12:38:33,765 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 12:38:33,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 12:38:33,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 12:38:33,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 12:38:33,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 12:38:33,837 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 12:38:33,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label27_false-unreach-call.c [2018-07-24 12:38:34,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7f48f53/467f525d289a4310a563d466f5ede7e4/FLAG46fadb429 [2018-07-24 12:38:34,875 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 12:38:34,876 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label27_false-unreach-call.c [2018-07-24 12:38:34,932 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7f48f53/467f525d289a4310a563d466f5ede7e4/FLAG46fadb429 [2018-07-24 12:38:34,958 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7f48f53/467f525d289a4310a563d466f5ede7e4 [2018-07-24 12:38:34,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 12:38:34,975 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 12:38:34,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 12:38:34,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 12:38:34,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 12:38:34,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:38:34" (1/1) ... [2018-07-24 12:38:34,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a5721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:34, skipping insertion in model container [2018-07-24 12:38:34,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 12:38:34" (1/1) ... [2018-07-24 12:38:35,434 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 12:38:37,093 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:38:37,126 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 12:38:38,431 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 12:38:39,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39 WrapperNode [2018-07-24 12:38:39,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 12:38:39,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 12:38:39,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 12:38:39,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 12:38:39,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:39,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:39,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 12:38:39,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 12:38:39,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 12:38:39,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 12:38:40,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:40,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:40,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:40,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:40,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:40,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:41,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (1/1) ... [2018-07-24 12:38:41,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 12:38:41,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 12:38:41,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 12:38:41,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 12:38:41,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (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 12:38:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 12:38:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 12:38:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-24 12:38:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-24 12:38:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 12:38:41,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 12:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-24 12:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-24 12:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 12:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 12:38:41,322 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:38:41,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-24 12:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-24 12:38:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-24 12:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-24 12:38:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-24 12:38:41,323 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:38:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-24 12:39:01,309 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 12:39:01,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:39:01 BoogieIcfgContainer [2018-07-24 12:39:01,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 12:39:01,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 12:39:01,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 12:39:01,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 12:39:01,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 12:38:34" (1/3) ... [2018-07-24 12:39:01,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c257e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:39:01, skipping insertion in model container [2018-07-24 12:39:01,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 12:38:39" (2/3) ... [2018-07-24 12:39:01,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c257e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 12:39:01, skipping insertion in model container [2018-07-24 12:39:01,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 12:39:01" (3/3) ... [2018-07-24 12:39:01,318 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label27_false-unreach-call.c [2018-07-24 12:39:01,328 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 12:39:01,341 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 12:39:01,409 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 12:39:01,409 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 12:39:01,409 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 12:39:01,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 12:39:01,410 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 12:39:01,410 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 12:39:01,410 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 12:39:01,410 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 12:39:01,410 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 12:39:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 12:39:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-24 12:39:01,470 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:39:01,471 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] [2018-07-24 12:39:01,472 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:39:01,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1604070122, now seen corresponding path program 1 times [2018-07-24 12:39:01,481 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:39:01,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:01,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:39:01,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:01,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:39:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:39:01,957 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-24 12:39:01,966 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 12:39:01,969 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:39:01,969 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:39:01,969 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:39:01,975 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:39:01,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:39:01,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:39:01,995 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-07-24 12:39:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:39:27,241 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-07-24 12:39:27,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:39:27,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-07-24 12:39:27,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:39:27,311 INFO L225 Difference]: With dead ends: 6465 [2018-07-24 12:39:27,312 INFO L226 Difference]: Without dead ends: 4681 [2018-07-24 12:39:27,327 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 12:39:27,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-07-24 12:39:27,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-07-24 12:39:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-07-24 12:39:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-07-24 12:39:27,546 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 34 [2018-07-24 12:39:27,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:39:27,547 INFO L471 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-07-24 12:39:27,547 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:39:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-07-24 12:39:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-24 12:39:27,553 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:39:27,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:27,554 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:39:27,554 INFO L82 PathProgramCache]: Analyzing trace with hash 516466635, now seen corresponding path program 1 times [2018-07-24 12:39:27,554 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:39:27,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:27,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:39:27,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:39:27,556 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:39:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:39:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:39:28,000 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:39:28,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:39:28,001 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:39:28,003 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:39:28,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:39:28,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:39:28,004 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-07-24 12:40:00,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:40:00,285 INFO L93 Difference]: Finished difference Result 12097 states and 19723 transitions. [2018-07-24 12:40:00,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:40:00,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-07-24 12:40:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:40:00,334 INFO L225 Difference]: With dead ends: 12097 [2018-07-24 12:40:00,334 INFO L226 Difference]: Without dead ends: 8903 [2018-07-24 12:40:00,350 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 12:40:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2018-07-24 12:40:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 8846. [2018-07-24 12:40:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-07-24 12:40:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12708 transitions. [2018-07-24 12:40:00,602 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12708 transitions. Word has length 106 [2018-07-24 12:40:00,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:40:00,603 INFO L471 AbstractCegarLoop]: Abstraction has 8846 states and 12708 transitions. [2018-07-24 12:40:00,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:40:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12708 transitions. [2018-07-24 12:40:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-24 12:40:00,613 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:40:00,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:00,613 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:40:00,613 INFO L82 PathProgramCache]: Analyzing trace with hash 805005474, now seen corresponding path program 1 times [2018-07-24 12:40:00,614 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:40:00,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:00,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:40:00,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:00,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:40:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:40:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:40:00,892 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:40:00,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:40:00,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:40:00,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:40:00,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:40:00,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:40:00,894 INFO L87 Difference]: Start difference. First operand 8846 states and 12708 transitions. Second operand 6 states. [2018-07-24 12:40:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:40:26,254 INFO L93 Difference]: Finished difference Result 26860 states and 39142 transitions. [2018-07-24 12:40:26,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:40:26,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-07-24 12:40:26,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:40:26,334 INFO L225 Difference]: With dead ends: 26860 [2018-07-24 12:40:26,334 INFO L226 Difference]: Without dead ends: 18020 [2018-07-24 12:40:26,362 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:40:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18020 states. [2018-07-24 12:40:26,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18020 to 17848. [2018-07-24 12:40:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17848 states. [2018-07-24 12:40:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17848 states to 17848 states and 25190 transitions. [2018-07-24 12:40:26,796 INFO L78 Accepts]: Start accepts. Automaton has 17848 states and 25190 transitions. Word has length 108 [2018-07-24 12:40:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:40:26,797 INFO L471 AbstractCegarLoop]: Abstraction has 17848 states and 25190 transitions. [2018-07-24 12:40:26,797 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:40:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 17848 states and 25190 transitions. [2018-07-24 12:40:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-24 12:40:26,801 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:40:26,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:26,802 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:40:26,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1035678733, now seen corresponding path program 1 times [2018-07-24 12:40:26,802 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:40:26,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:26,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:40:26,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:26,803 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:40:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:40:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:40:27,137 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:40:27,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 12:40:27,137 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:40:27,138 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 12:40:27,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 12:40:27,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 12:40:27,139 INFO L87 Difference]: Start difference. First operand 17848 states and 25190 transitions. Second operand 5 states. [2018-07-24 12:40:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:40:58,882 INFO L93 Difference]: Finished difference Result 54291 states and 78058 transitions. [2018-07-24 12:40:58,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 12:40:58,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-07-24 12:40:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:40:58,995 INFO L225 Difference]: With dead ends: 54291 [2018-07-24 12:40:58,995 INFO L226 Difference]: Without dead ends: 36449 [2018-07-24 12:40:59,040 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 12:40:59,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36449 states. [2018-07-24 12:40:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36449 to 35838. [2018-07-24 12:40:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35838 states. [2018-07-24 12:40:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35838 states to 35838 states and 46193 transitions. [2018-07-24 12:40:59,763 INFO L78 Accepts]: Start accepts. Automaton has 35838 states and 46193 transitions. Word has length 136 [2018-07-24 12:40:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:40:59,763 INFO L471 AbstractCegarLoop]: Abstraction has 35838 states and 46193 transitions. [2018-07-24 12:40:59,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 12:40:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 35838 states and 46193 transitions. [2018-07-24 12:40:59,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-24 12:40:59,770 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:40:59,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:59,771 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:40:59,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1717985964, now seen corresponding path program 1 times [2018-07-24 12:40:59,772 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:40:59,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:59,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:40:59,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:40:59,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:40:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:00,084 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 12:41:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:41:00,501 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:41:00,501 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 12:41:00,502 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:41:00,502 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 12:41:00,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 12:41:00,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 12:41:00,503 INFO L87 Difference]: Start difference. First operand 35838 states and 46193 transitions. Second operand 6 states. [2018-07-24 12:41:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:41:25,878 INFO L93 Difference]: Finished difference Result 86928 states and 117646 transitions. [2018-07-24 12:41:25,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 12:41:25,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-07-24 12:41:25,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:41:26,025 INFO L225 Difference]: With dead ends: 86928 [2018-07-24 12:41:26,025 INFO L226 Difference]: Without dead ends: 51096 [2018-07-24 12:41:26,091 INFO L573 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 [2018-07-24 12:41:26,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51096 states. [2018-07-24 12:41:26,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51096 to 50745. [2018-07-24 12:41:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50745 states. [2018-07-24 12:41:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50745 states to 50745 states and 67363 transitions. [2018-07-24 12:41:26,938 INFO L78 Accepts]: Start accepts. Automaton has 50745 states and 67363 transitions. Word has length 199 [2018-07-24 12:41:26,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:41:26,938 INFO L471 AbstractCegarLoop]: Abstraction has 50745 states and 67363 transitions. [2018-07-24 12:41:26,939 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 12:41:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 50745 states and 67363 transitions. [2018-07-24 12:41:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-07-24 12:41:26,950 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:41:26,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:26,951 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:41:26,951 INFO L82 PathProgramCache]: Analyzing trace with hash -319522248, now seen corresponding path program 1 times [2018-07-24 12:41:26,952 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:41:26,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:26,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:41:26,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:26,953 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:41:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 12:41:27,551 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 12:41:27,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 12:41:27,552 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 12:41:27,553 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 12:41:27,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 12:41:27,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 12:41:27,554 INFO L87 Difference]: Start difference. First operand 50745 states and 67363 transitions. Second operand 4 states. [2018-07-24 12:41:54,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 12:41:54,427 INFO L93 Difference]: Finished difference Result 191733 states and 264507 transitions. [2018-07-24 12:41:54,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 12:41:54,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 521 [2018-07-24 12:41:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 12:41:54,847 INFO L225 Difference]: With dead ends: 191733 [2018-07-24 12:41:54,847 INFO L226 Difference]: Without dead ends: 140994 [2018-07-24 12:41:54,994 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 12:41:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140994 states. [2018-07-24 12:41:56,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140994 to 140781. [2018-07-24 12:41:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140781 states. [2018-07-24 12:41:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140781 states to 140781 states and 184197 transitions. [2018-07-24 12:41:57,348 INFO L78 Accepts]: Start accepts. Automaton has 140781 states and 184197 transitions. Word has length 521 [2018-07-24 12:41:57,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 12:41:57,349 INFO L471 AbstractCegarLoop]: Abstraction has 140781 states and 184197 transitions. [2018-07-24 12:41:57,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 12:41:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 140781 states and 184197 transitions. [2018-07-24 12:41:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2018-07-24 12:41:57,415 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 12:41:57,416 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 12:41:57,417 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 12:41:57,417 INFO L82 PathProgramCache]: Analyzing trace with hash 451409795, now seen corresponding path program 1 times [2018-07-24 12:41:57,417 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 12:41:57,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:57,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:41:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 12:41:57,419 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 12:41:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 328 proven. 182 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2018-07-24 12:41:59,362 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:41:59,363 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 12:41:59,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:41:59,372 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:41:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:41:59,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:42:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 634 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-07-24 12:42:00,500 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:42:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 328 proven. 182 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2018-07-24 12:42:01,896 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 12:42:01,896 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 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 [2018-07-24 12:42:01,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 12:42:01,916 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 12:42:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 12:42:02,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 12:42:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 634 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-07-24 12:42:04,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 12:42:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 328 proven. 182 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2018-07-24 12:42:05,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 12:42:05,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-07-24 12:42:05,060 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 12:42:05,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 12:42:05,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 12:42:05,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-07-24 12:42:05,063 INFO L87 Difference]: Start difference. First operand 140781 states and 184197 transitions. Second operand 9 states. Received shutdown request... [2018-07-24 12:42:30,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-24 12:42:30,786 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 12:42:30,793 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 12:42:30,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 12:42:30 BoogieIcfgContainer [2018-07-24 12:42:30,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 12:42:30,795 INFO L168 Benchmark]: Toolchain (without parser) took 235820.90 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -420.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,796 INFO L168 Benchmark]: CDTParser took 0.26 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 12:42:30,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4081.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -131.5 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 343.13 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,800 INFO L168 Benchmark]: Boogie Preprocessor took 1854.57 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 854.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -875.8 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,801 INFO L168 Benchmark]: RCFGBuilder took 20053.56 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 261.6 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 290.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,804 INFO L168 Benchmark]: TraceAbstraction took 209482.73 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 699.9 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 231.2 MB). Peak memory consumption was 931.2 MB. Max. memory is 7.1 GB. [2018-07-24 12:42:30,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 4081.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 199.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -131.5 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 343.13 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1854.57 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 854.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -875.8 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 20053.56 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 261.6 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 290.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 209482.73 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 699.9 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 231.2 MB). Peak memory consumption was 931.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 97). Cancelled while BasicCegarLoop was constructing difference of abstraction (140781states) and interpolant automaton (currently 15 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (131514 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.3s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 193.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4729 SDtfs, 41863 SDslu, 5385 SDs, 0 SdLazy, 78233 SolverSat, 18728 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 168.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4175 GetRequests, 4121 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140781occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 2885 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 4185 NumberOfCodeBlocks, 4185 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 6228 ConstructedInterpolants, 0 QuantifiedInterpolants, 9028228 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2760 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3495/4045 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label27_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_12-42-30-842.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label27_false-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_12-42-30-842.csv Completed graceful shutdown