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_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:12:04,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:12:04,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:12:04,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:12:04,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:12:04,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:12:04,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:12:04,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:12:04,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:12:04,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:12:04,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:12:04,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:12:04,445 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:12:04,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:12:04,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:12:04,448 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:12:04,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:12:04,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:12:04,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:12:04,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:12:04,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:12:04,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:12:04,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:12:04,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:12:04,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:12:04,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:12:04,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:12:04,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:12:04,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:12:04,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:12:04,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:12:04,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:12:04,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:12:04,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:12:04,466 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:12:04,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:12:04,467 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 15:12:04,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:12:04,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:12:04,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:12:04,490 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:12:04,490 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:12:04,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:12:04,491 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:12:04,491 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:12:04,491 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:12:04,491 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:12:04,491 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:12:04,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:12:04,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:12:04,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:12:04,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:12:04,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:12:04,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:12:04,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:12:04,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:12:04,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:12:04,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:12:04,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:12:04,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:12:04,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:12:04,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:12:04,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:12:04,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:12:04,495 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:12:04,495 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:12:04,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:12:04,496 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:12:04,496 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:12:04,496 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:12:04,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:12:04,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:12:04,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:12:04,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:12:04,581 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:12:04,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label35_true-unreach-call.c [2018-07-24 15:12:04,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161f39c0f/8febb24314094009b85f4197d8324459/FLAGed6591e8c [2018-07-24 15:12:05,519 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:12:05,520 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label35_true-unreach-call.c [2018-07-24 15:12:05,580 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161f39c0f/8febb24314094009b85f4197d8324459/FLAGed6591e8c [2018-07-24 15:12:05,597 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161f39c0f/8febb24314094009b85f4197d8324459 [2018-07-24 15:12:05,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:12:05,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:12:05,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:12:05,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:12:05,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:12:05,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:12:05" (1/1) ... [2018-07-24 15:12:05,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d65a7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:05, skipping insertion in model container [2018-07-24 15:12:05,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:12:05" (1/1) ... [2018-07-24 15:12:06,128 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:12:07,886 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:12:07,903 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:12:09,067 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:12:09,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09 WrapperNode [2018-07-24 15:12:09,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:12:09,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:12:09,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:12:09,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:12:09,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:10,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:10,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:12:10,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:12:10,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:12:10,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:12:11,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:11,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (1/1) ... [2018-07-24 15:12:12,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:12:12,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:12:12,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:12:12,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:12:12,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (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 15:12:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:12:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:12:12,196 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_output5 [2018-07-24 15:12:12,196 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_output5 [2018-07-24 15:12:12,196 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 15:12:12,196 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 15:12:12,197 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_output6 [2018-07-24 15:12:12,197 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_output6 [2018-07-24 15:12:12,197 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 15:12:12,197 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 15:12:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:12:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:12:12,198 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 15:12:12,198 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 15:12:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:12:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:12:12,199 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 15:12:12,199 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 15:12:33,797 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:12:33,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:12:33 BoogieIcfgContainer [2018-07-24 15:12:33,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:12:33,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:12:33,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:12:33,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:12:33,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:12:05" (1/3) ... [2018-07-24 15:12:33,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9760ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:12:33, skipping insertion in model container [2018-07-24 15:12:33,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:12:09" (2/3) ... [2018-07-24 15:12:33,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9760ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:12:33, skipping insertion in model container [2018-07-24 15:12:33,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:12:33" (3/3) ... [2018-07-24 15:12:33,806 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label35_true-unreach-call.c [2018-07-24 15:12:33,816 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:12:33,826 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:12:33,892 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:12:33,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:12:33,893 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:12:33,893 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:12:33,893 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:12:33,893 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:12:33,894 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:12:33,894 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:12:33,894 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:12:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:12:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-24 15:12:33,958 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:12:33,960 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, 1, 1, 1] [2018-07-24 15:12:33,960 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 15:12:33,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1253297018, now seen corresponding path program 1 times [2018-07-24 15:12:33,967 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:12:34,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:12:34,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:12:34,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:12:34,017 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:12:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:12:34,482 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 15:12:34,485 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:12:34,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 15:12:34,485 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:12:34,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 15:12:34,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 15:12:34,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:12:34,512 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-07-24 15:13:05,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:13:05,443 INFO L93 Difference]: Finished difference Result 6513 states and 12383 transitions. [2018-07-24 15:13:05,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 15:13:05,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2018-07-24 15:13:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:13:05,507 INFO L225 Difference]: With dead ends: 6513 [2018-07-24 15:13:05,507 INFO L226 Difference]: Without dead ends: 4729 [2018-07-24 15:13:05,521 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:13:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2018-07-24 15:13:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4693. [2018-07-24 15:13:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states. [2018-07-24 15:13:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7735 transitions. [2018-07-24 15:13:05,779 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7735 transitions. Word has length 46 [2018-07-24 15:13:05,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:13:05,785 INFO L471 AbstractCegarLoop]: Abstraction has 4693 states and 7735 transitions. [2018-07-24 15:13:05,785 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 15:13:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7735 transitions. [2018-07-24 15:13:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-24 15:13:05,802 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:05,802 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, 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] [2018-07-24 15:13:05,803 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 15:13:05,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1171765445, now seen corresponding path program 1 times [2018-07-24 15:13:05,804 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:05,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:05,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:05,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:05,806 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:13:06,413 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:13:06,413 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:13:06,413 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:06,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:13:06,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:13:06,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:13:06,418 INFO L87 Difference]: Start difference. First operand 4693 states and 7735 transitions. Second operand 6 states. [2018-07-24 15:13:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:13:40,912 INFO L93 Difference]: Finished difference Result 14148 states and 23586 transitions. [2018-07-24 15:13:40,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:13:40,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-07-24 15:13:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:13:40,967 INFO L225 Difference]: With dead ends: 14148 [2018-07-24 15:13:40,968 INFO L226 Difference]: Without dead ends: 9461 [2018-07-24 15:13:40,982 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:13:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9461 states. [2018-07-24 15:13:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9461 to 9319. [2018-07-24 15:13:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9319 states. [2018-07-24 15:13:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9319 states to 9319 states and 13567 transitions. [2018-07-24 15:13:41,262 INFO L78 Accepts]: Start accepts. Automaton has 9319 states and 13567 transitions. Word has length 118 [2018-07-24 15:13:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:13:41,264 INFO L471 AbstractCegarLoop]: Abstraction has 9319 states and 13567 transitions. [2018-07-24 15:13:41,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:13:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 9319 states and 13567 transitions. [2018-07-24 15:13:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-24 15:13:41,277 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:41,277 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, 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] [2018-07-24 15:13:41,277 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 15:13:41,277 INFO L82 PathProgramCache]: Analyzing trace with hash -970222599, now seen corresponding path program 1 times [2018-07-24 15:13:41,278 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:41,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:41,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:41,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:41,280 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:13:41,650 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:13:41,650 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 15:13:41,650 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:41,652 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:13:41,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:13:41,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 15:13:41,654 INFO L87 Difference]: Start difference. First operand 9319 states and 13567 transitions. Second operand 5 states. [2018-07-24 15:14:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:05,012 INFO L93 Difference]: Finished difference Result 28121 states and 41644 transitions. [2018-07-24 15:14:05,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:14:05,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-07-24 15:14:05,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:05,073 INFO L225 Difference]: With dead ends: 28121 [2018-07-24 15:14:05,073 INFO L226 Difference]: Without dead ends: 18808 [2018-07-24 15:14:05,098 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 15:14:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18808 states. [2018-07-24 15:14:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18808 to 18488. [2018-07-24 15:14:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18488 states. [2018-07-24 15:14:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18488 states to 18488 states and 26073 transitions. [2018-07-24 15:14:05,495 INFO L78 Accepts]: Start accepts. Automaton has 18488 states and 26073 transitions. Word has length 128 [2018-07-24 15:14:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:05,496 INFO L471 AbstractCegarLoop]: Abstraction has 18488 states and 26073 transitions. [2018-07-24 15:14:05,499 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:14:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 18488 states and 26073 transitions. [2018-07-24 15:14:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-07-24 15:14:05,504 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:05,505 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:05,505 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 15:14:05,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1011963870, now seen corresponding path program 1 times [2018-07-24 15:14:05,505 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:05,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:05,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:05,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:05,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:05,820 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:14:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:14:05,920 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:14:05,920 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 15:14:05,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:05,935 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:14:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:06,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:14:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-07-24 15:14:06,255 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:14:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-07-24 15:14:06,420 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 15:14:06,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-07-24 15:14:06,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:14:06,421 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:14:06,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:14:06,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:14:06,422 INFO L87 Difference]: Start difference. First operand 18488 states and 26073 transitions. Second operand 3 states. [2018-07-24 15:14:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:19,087 INFO L93 Difference]: Finished difference Result 54264 states and 79154 transitions. [2018-07-24 15:14:19,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:14:19,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-07-24 15:14:19,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:19,624 INFO L225 Difference]: With dead ends: 54264 [2018-07-24 15:14:19,624 INFO L226 Difference]: Without dead ends: 35782 [2018-07-24 15:14:19,681 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:14:19,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35782 states. [2018-07-24 15:14:20,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35782 to 35631. [2018-07-24 15:14:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35631 states. [2018-07-24 15:14:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35631 states to 35631 states and 49339 transitions. [2018-07-24 15:14:20,394 INFO L78 Accepts]: Start accepts. Automaton has 35631 states and 49339 transitions. Word has length 217 [2018-07-24 15:14:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:20,395 INFO L471 AbstractCegarLoop]: Abstraction has 35631 states and 49339 transitions. [2018-07-24 15:14:20,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:14:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 35631 states and 49339 transitions. [2018-07-24 15:14:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-07-24 15:14:20,401 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:20,402 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, 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, 2, 2, 2, 2, 2, 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] [2018-07-24 15:14:20,402 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 15:14:20,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1959491355, now seen corresponding path program 1 times [2018-07-24 15:14:20,402 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:20,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:20,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:20,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:20,404 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 15:14:21,167 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:14:21,167 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 15:14:21,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:21,181 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:14:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:21,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:14:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-07-24 15:14:21,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:14:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 15:14:22,931 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:14:22,931 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 15:14:22,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:22,958 INFO L288 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:14:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:23,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:14:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-07-24 15:14:23,660 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:14:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 219 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 15:14:23,895 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-07-24 15:14:23,895 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-07-24 15:14:23,895 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-07-24 15:14:23,897 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 15:14:23,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 15:14:23,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-07-24 15:14:23,898 INFO L87 Difference]: Start difference. First operand 35631 states and 49339 transitions. Second operand 9 states. [2018-07-24 15:15:31,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:15:31,349 INFO L93 Difference]: Finished difference Result 175355 states and 334845 transitions. [2018-07-24 15:15:31,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-24 15:15:31,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 441 [2018-07-24 15:15:31,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:15:32,309 INFO L225 Difference]: With dead ends: 175355 [2018-07-24 15:15:32,310 INFO L226 Difference]: Without dead ends: 135075 [2018-07-24 15:15:32,579 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1860 GetRequests, 1799 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=716, Invalid=3066, Unknown=0, NotChecked=0, Total=3782 [2018-07-24 15:15:32,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135075 states. [2018-07-24 15:15:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135075 to 132473. [2018-07-24 15:15:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132473 states. [2018-07-24 15:15:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132473 states to 132473 states and 189468 transitions. [2018-07-24 15:15:36,032 INFO L78 Accepts]: Start accepts. Automaton has 132473 states and 189468 transitions. Word has length 441 [2018-07-24 15:15:36,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:15:36,033 INFO L471 AbstractCegarLoop]: Abstraction has 132473 states and 189468 transitions. [2018-07-24 15:15:36,033 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 15:15:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 132473 states and 189468 transitions. [2018-07-24 15:15:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2018-07-24 15:15:36,050 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:15:36,051 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:15:36,051 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 15:15:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1696937385, now seen corresponding path program 1 times [2018-07-24 15:15:36,052 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:15:36,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:36,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:15:36,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:36,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:15:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:15:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:15:37,478 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:15:37,478 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 15:15:37,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:15:37,479 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 15:15:37,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 15:15:37,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:15:37,480 INFO L87 Difference]: Start difference. First operand 132473 states and 189468 transitions. Second operand 4 states. [2018-07-24 15:16:02,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:02,183 INFO L93 Difference]: Finished difference Result 384423 states and 589864 transitions. [2018-07-24 15:16:02,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 15:16:02,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 640 [2018-07-24 15:16:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:03,081 INFO L225 Difference]: With dead ends: 384423 [2018-07-24 15:16:03,081 INFO L226 Difference]: Without dead ends: 251955 Received shutdown request... [2018-07-24 15:16:04,511 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 15:16:04,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251955 states. [2018-07-24 15:16:04,683 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:16:04,687 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:16:04,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:16:04 BoogieIcfgContainer [2018-07-24 15:16:04,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:16:04,688 INFO L168 Benchmark]: Toolchain (without parser) took 239078.19 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -670.1 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,689 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 15:16:04,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4288.05 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 235.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -147.9 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 365.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,691 INFO L168 Benchmark]: Boogie Preprocessor took 1866.97 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 802.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -802.9 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,692 INFO L168 Benchmark]: RCFGBuilder took 21662.52 ms. Allocated memory was 2.5 GB in the beginning and 2.9 GB in the end (delta: 308.8 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 214.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,693 INFO L168 Benchmark]: TraceAbstraction took 210888.15 ms. Allocated memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: 528.5 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:04,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4288.05 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 235.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -147.9 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 365.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1866.97 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 802.7 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -802.9 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21662.52 ms. Allocated memory was 2.5 GB in the beginning and 2.9 GB in the end (delta: 308.8 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 214.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 210888.15 ms. Allocated memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: 528.5 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 133). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.8s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 198.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5603 SDtfs, 34804 SDslu, 5980 SDs, 0 SdLazy, 78173 SolverSat, 21487 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 164.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2329 GetRequests, 2245 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132473occurred in iteration=5, 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: 5.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 3251 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2689 NumberOfCodeBlocks, 2689 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3776 ConstructedInterpolants, 0 QuantifiedInterpolants, 2828626 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1815 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 2065/2341 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_label35_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-16-04-714.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label35_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-16-04-714.csv Completed graceful shutdown