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_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:13:00,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:13:00,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:13:00,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:13:00,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:13:00,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:13:00,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:13:00,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:13:00,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:13:00,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:13:00,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:13:00,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:13:00,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:13:00,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:13:00,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:13:00,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:13:00,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:13:00,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:13:00,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:13:00,396 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:13:00,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:13:00,401 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:13:00,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:13:00,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:13:00,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:13:00,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:13:00,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:13:00,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:13:00,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:13:00,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:13:00,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:13:00,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:13:00,412 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:13:00,412 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:13:00,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:13:00,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:13:00,417 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 15:13:00,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:13:00,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:13:00,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:13:00,447 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:13:00,447 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:13:00,447 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:13:00,447 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:13:00,448 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:13:00,448 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:13:00,448 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:13:00,448 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:13:00,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:13:00,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:13:00,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:13:00,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:13:00,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:13:00,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:13:00,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:13:00,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:13:00,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:13:00,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:13:00,453 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:13:00,453 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:13:00,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:13:00,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:13:00,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:13:00,454 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:13:00,455 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:13:00,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:13:00,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:13:00,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:13:00,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:13:00,535 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:13:00,537 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-07-24 15:13:00,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6e8140/566c4de1965842989be209254b47304d/FLAG37b7a76b1 [2018-07-24 15:13:01,430 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:13:01,431 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-07-24 15:13:01,477 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6e8140/566c4de1965842989be209254b47304d/FLAG37b7a76b1 [2018-07-24 15:13:01,494 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6e8140/566c4de1965842989be209254b47304d [2018-07-24 15:13:01,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:13:01,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:13:01,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:13:01,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:13:01,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:13:01,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:13:01" (1/1) ... [2018-07-24 15:13:01,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec34fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:01, skipping insertion in model container [2018-07-24 15:13:01,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:13:01" (1/1) ... [2018-07-24 15:13:02,052 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:13:04,031 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:13:04,049 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:13:05,323 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:13:06,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06 WrapperNode [2018-07-24 15:13:06,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:13:06,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:13:06,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:13:06,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:13:06,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:06,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:06,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:13:06,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:13:06,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:13:06,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:13:07,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:07,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:07,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:07,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:07,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:07,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:08,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (1/1) ... [2018-07-24 15:13:08,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:13:08,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:13:08,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:13:08,232 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:13:08,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (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 15:13:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:13:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:13:08,309 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 15:13:08,309 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 15:13:08,310 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 15:13:08,310 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 15:13:08,310 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 15:13:08,310 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 15:13:08,310 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 15:13:08,311 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 15:13:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:13:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:13:08,311 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 15:13:08,312 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 15:13:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:13:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:13:08,313 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 15:13:08,313 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 15:13:27,513 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:13:27,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:13:27 BoogieIcfgContainer [2018-07-24 15:13:27,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:13:27,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:13:27,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:13:27,518 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:13:27,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:13:01" (1/3) ... [2018-07-24 15:13:27,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d2f51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:13:27, skipping insertion in model container [2018-07-24 15:13:27,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:13:06" (2/3) ... [2018-07-24 15:13:27,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d2f51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:13:27, skipping insertion in model container [2018-07-24 15:13:27,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:13:27" (3/3) ... [2018-07-24 15:13:27,521 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label40_true-unreach-call.c [2018-07-24 15:13:27,530 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:13:27,539 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:13:27,612 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:13:27,613 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:13:27,613 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:13:27,613 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:13:27,613 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:13:27,613 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:13:27,614 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:13:27,614 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:13:27,614 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:13:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:13:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-24 15:13:27,683 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:27,685 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, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:13:27,685 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 15:13:27,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1529378456, now seen corresponding path program 1 times [2018-07-24 15:13:27,694 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:27,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:27,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:27,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:27,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:28,211 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:13:28,378 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 15:13:28,382 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:13:28,383 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:13:28,383 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:28,388 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:13:28,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:13:28,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:13:28,402 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:13:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:13:46,612 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-07-24 15:13:46,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:13:46,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-07-24 15:13:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:13:46,664 INFO L225 Difference]: With dead ends: 4998 [2018-07-24 15:13:46,664 INFO L226 Difference]: Without dead ends: 3218 [2018-07-24 15:13:46,688 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:13:46,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-07-24 15:13:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-07-24 15:13:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-07-24 15:13:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-07-24 15:13:46,910 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 53 [2018-07-24 15:13:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:13:46,911 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-07-24 15:13:46,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:13:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-07-24 15:13:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-24 15:13:46,919 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:46,919 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, 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] [2018-07-24 15:13:46,919 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 15:13:46,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1493047266, now seen corresponding path program 1 times [2018-07-24 15:13:46,920 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:46,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:46,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:46,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:46,922 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:13:47,458 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:13:47,458 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:13:47,458 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:47,460 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:13:47,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:13:47,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:13:47,462 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-07-24 15:14:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:19,212 INFO L93 Difference]: Finished difference Result 9683 states and 17692 transitions. [2018-07-24 15:14:19,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:14:19,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-07-24 15:14:19,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:19,253 INFO L225 Difference]: With dead ends: 9683 [2018-07-24 15:14:19,253 INFO L226 Difference]: Without dead ends: 6474 [2018-07-24 15:14:19,265 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 15:14:19,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2018-07-24 15:14:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6371. [2018-07-24 15:14:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-07-24 15:14:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 9959 transitions. [2018-07-24 15:14:19,472 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 9959 transitions. Word has length 125 [2018-07-24 15:14:19,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:19,473 INFO L471 AbstractCegarLoop]: Abstraction has 6371 states and 9959 transitions. [2018-07-24 15:14:19,473 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:14:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 9959 transitions. [2018-07-24 15:14:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-24 15:14:19,477 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:19,477 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, 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] [2018-07-24 15:14:19,477 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 15:14:19,478 INFO L82 PathProgramCache]: Analyzing trace with hash 2025081645, now seen corresponding path program 1 times [2018-07-24 15:14:19,478 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:19,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:19,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:19,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:19,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:14:19,776 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:14:19,777 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:14:19,777 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:14:19,778 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:14:19,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:14:19,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:14:19,778 INFO L87 Difference]: Start difference. First operand 6371 states and 9959 transitions. Second operand 6 states. [2018-07-24 15:14:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:47,023 INFO L93 Difference]: Finished difference Result 24567 states and 39571 transitions. [2018-07-24 15:14:47,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:14:47,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-07-24 15:14:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:47,111 INFO L225 Difference]: With dead ends: 24567 [2018-07-24 15:14:47,111 INFO L226 Difference]: Without dead ends: 18202 [2018-07-24 15:14:47,139 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 15:14:47,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18202 states. [2018-07-24 15:14:47,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18202 to 17991. [2018-07-24 15:14:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17991 states. [2018-07-24 15:14:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17991 states to 17991 states and 26535 transitions. [2018-07-24 15:14:47,598 INFO L78 Accepts]: Start accepts. Automaton has 17991 states and 26535 transitions. Word has length 127 [2018-07-24 15:14:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:47,599 INFO L471 AbstractCegarLoop]: Abstraction has 17991 states and 26535 transitions. [2018-07-24 15:14:47,599 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:14:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 17991 states and 26535 transitions. [2018-07-24 15:14:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-24 15:14:47,604 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:47,605 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, 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] [2018-07-24 15:14:47,605 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 15:14:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash -768805466, now seen corresponding path program 1 times [2018-07-24 15:14:47,605 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:47,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:47,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:47,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:47,607 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:14:48,355 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:14:48,355 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-24 15:14:48,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:14:48,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 15:14:48,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 15:14:48,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:14:48,357 INFO L87 Difference]: Start difference. First operand 17991 states and 26535 transitions. Second operand 7 states. [2018-07-24 15:15:37,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:15:37,921 INFO L93 Difference]: Finished difference Result 72455 states and 117215 transitions. [2018-07-24 15:15:37,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:15:37,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2018-07-24 15:15:37,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:15:38,120 INFO L225 Difference]: With dead ends: 72455 [2018-07-24 15:15:38,120 INFO L226 Difference]: Without dead ends: 54470 [2018-07-24 15:15:38,239 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:15:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54470 states. [2018-07-24 15:15:39,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54470 to 54066. [2018-07-24 15:15:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54066 states. [2018-07-24 15:15:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54066 states to 54066 states and 76353 transitions. [2018-07-24 15:15:39,524 INFO L78 Accepts]: Start accepts. Automaton has 54066 states and 76353 transitions. Word has length 177 [2018-07-24 15:15:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:15:39,525 INFO L471 AbstractCegarLoop]: Abstraction has 54066 states and 76353 transitions. [2018-07-24 15:15:39,525 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 15:15:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 54066 states and 76353 transitions. [2018-07-24 15:15:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-24 15:15:39,531 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:15:39,531 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, 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] [2018-07-24 15:15:39,531 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 15:15:39,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1363599971, now seen corresponding path program 1 times [2018-07-24 15:15:39,534 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:15:39,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:39,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:15:39,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:15:39,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:15:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:15:39,834 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:15:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:15:40,255 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:15:40,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:15:40,255 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:15:40,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:15:40,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:15:40,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:15:40,257 INFO L87 Difference]: Start difference. First operand 54066 states and 76353 transitions. Second operand 6 states. [2018-07-24 15:16:10,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:10,180 INFO L93 Difference]: Finished difference Result 146295 states and 221654 transitions. [2018-07-24 15:16:10,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:16:10,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2018-07-24 15:16:10,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:10,554 INFO L225 Difference]: With dead ends: 146295 [2018-07-24 15:16:10,554 INFO L226 Difference]: Without dead ends: 92235 [2018-07-24 15:16:10,735 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 15:16:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92235 states. [2018-07-24 15:16:12,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92235 to 91544. [2018-07-24 15:16:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91544 states. [2018-07-24 15:16:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91544 states to 91544 states and 130435 transitions. [2018-07-24 15:16:12,687 INFO L78 Accepts]: Start accepts. Automaton has 91544 states and 130435 transitions. Word has length 186 [2018-07-24 15:16:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:16:12,688 INFO L471 AbstractCegarLoop]: Abstraction has 91544 states and 130435 transitions. [2018-07-24 15:16:12,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:16:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 91544 states and 130435 transitions. [2018-07-24 15:16:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-07-24 15:16:12,699 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:16:12,700 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, 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, 1, 1, 1, 1, 1, 1, 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 15:16:12,700 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 15:16:12,700 INFO L82 PathProgramCache]: Analyzing trace with hash 938346049, now seen corresponding path program 1 times [2018-07-24 15:16:12,700 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:16:12,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:12,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:12,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:12,702 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:16:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:16:13,184 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:16:13,185 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 15:16:13,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:13,201 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:16:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:13,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:16:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-07-24 15:16:13,531 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:16:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-07-24 15:16:13,772 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:16:13,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-07-24 15:16:13,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:16:13,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:16:13,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:16:13,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:16:13,774 INFO L87 Difference]: Start difference. First operand 91544 states and 130435 transitions. Second operand 3 states. [2018-07-24 15:16:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:31,243 INFO L93 Difference]: Finished difference Result 211860 states and 317706 transitions. [2018-07-24 15:16:31,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:16:31,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2018-07-24 15:16:31,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:31,925 INFO L225 Difference]: With dead ends: 211860 [2018-07-24 15:16:31,925 INFO L226 Difference]: Without dead ends: 120322 [2018-07-24 15:16:32,132 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:16:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120322 states. [2018-07-24 15:16:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120322 to 120268. [2018-07-24 15:16:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120268 states. [2018-07-24 15:16:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120268 states to 120268 states and 170614 transitions. [2018-07-24 15:16:35,987 INFO L78 Accepts]: Start accepts. Automaton has 120268 states and 170614 transitions. Word has length 213 [2018-07-24 15:16:35,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:16:35,987 INFO L471 AbstractCegarLoop]: Abstraction has 120268 states and 170614 transitions. [2018-07-24 15:16:35,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:16:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 120268 states and 170614 transitions. [2018-07-24 15:16:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-24 15:16:36,011 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:16:36,011 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:36,011 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:16:36,012 INFO L82 PathProgramCache]: Analyzing trace with hash -184101092, now seen corresponding path program 1 times [2018-07-24 15:16:36,012 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:16:36,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:36,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:36,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:36,013 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:16:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:36,294 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:16:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:16:36,713 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:16:36,713 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 15:16:36,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:36,728 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:16:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:36,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:16:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-07-24 15:16:36,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:16:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-07-24 15:16:37,110 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 15:16:37,110 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-07-24 15:16:37,110 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:16:37,110 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:16:37,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:16:37,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:16:37,111 INFO L87 Difference]: Start difference. First operand 120268 states and 170614 transitions. Second operand 3 states. [2018-07-24 15:16:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:52,582 INFO L93 Difference]: Finished difference Result 265591 states and 392133 transitions. [2018-07-24 15:16:52,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:16:52,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-07-24 15:16:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:53,141 INFO L225 Difference]: With dead ends: 265591 [2018-07-24 15:16:53,142 INFO L226 Difference]: Without dead ends: 145329 [2018-07-24 15:16:53,382 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:16:53,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145329 states. Received shutdown request... [2018-07-24 15:16:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145329 to 143770. [2018-07-24 15:16:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143770 states. [2018-07-24 15:16:56,429 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:16:56,436 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:16:56,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:16:56 BoogieIcfgContainer [2018-07-24 15:16:56,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:16:56,437 INFO L168 Benchmark]: Toolchain (without parser) took 234931.02 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -449.8 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,438 INFO L168 Benchmark]: CDTParser took 0.28 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 15:16:56,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4508.95 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 197.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -118.9 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 269.35 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,441 INFO L168 Benchmark]: Boogie Preprocessor took 1942.52 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 818.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -822.2 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,442 INFO L168 Benchmark]: RCFGBuilder took 19281.83 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 274.7 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 233.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,443 INFO L168 Benchmark]: TraceAbstraction took 208921.78 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 805.3 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 195.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-24 15:16:56,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 4508.95 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 197.1 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -118.9 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 269.35 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1942.52 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 818.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -822.2 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19281.83 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 274.7 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 233.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 208921.78 ms. Allocated memory was 2.8 GB in the beginning and 3.6 GB in the end (delta: 805.3 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 195.0 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: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8106 SDtfs, 34824 SDslu, 4872 SDs, 0 SdLazy, 66274 SolverSat, 19612 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 165.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 931 GetRequests, 886 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120268occurred 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: 11.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 1466 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 1542 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1968 ConstructedInterpolants, 0 QuantifiedInterpolants, 995666 SizeOfPredicates, 1 NumberOfNonLiveVariables, 864 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 1024/1156 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_label40_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-16-56-464.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label40_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-16-56-464.csv Completed graceful shutdown