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/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:09:11,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:09:11,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:09:11,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:09:11,412 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:09:11,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:09:11,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:09:11,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:09:11,420 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:09:11,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:09:11,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:09:11,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:09:11,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:09:11,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:09:11,433 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:09:11,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:09:11,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:09:11,439 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:09:11,441 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:09:11,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:09:11,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:09:11,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:09:11,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:09:11,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:09:11,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:09:11,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:09:11,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:09:11,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:09:11,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:09:11,454 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:09:11,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:09:11,455 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:09:11,455 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:09:11,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:09:11,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:09:11,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:09:11,457 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:09:11,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:09:11,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:09:11,474 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:09:11,474 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:09:11,474 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:09:11,474 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:09:11,474 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:09:11,475 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:09:11,475 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:09:11,475 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:09:11,475 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:09:11,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:09:11,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:09:11,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:09:11,477 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:09:11,477 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:09:11,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:09:11,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:09:11,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:09:11,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:09:11,478 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:09:11,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:09:11,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:09:11,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:09:11,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:09:11,479 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:09:11,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:09:11,479 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:09:11,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:09:11,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:09:11,480 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:09:11,480 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:09:11,480 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:09:11,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:09:11,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:09:11,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:09:11,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:09:11,567 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:09:11,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c [2018-07-23 20:09:11,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dabe6424/01a90ea8ec3342969a7dc4aa9e486406/FLAGb3c40de8f [2018-07-23 20:09:12,514 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:09:12,515 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c [2018-07-23 20:09:12,563 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dabe6424/01a90ea8ec3342969a7dc4aa9e486406/FLAGb3c40de8f [2018-07-23 20:09:12,579 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dabe6424/01a90ea8ec3342969a7dc4aa9e486406 [2018-07-23 20:09:12,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:09:12,593 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:09:12,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:09:12,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:09:12,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:09:12,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:09:12" (1/1) ... [2018-07-23 20:09:12,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdbe247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:12, skipping insertion in model container [2018-07-23 20:09:12,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:09:12" (1/1) ... [2018-07-23 20:09:13,050 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:09:14,799 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:09:14,820 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:09:16,051 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:09:16,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16 WrapperNode [2018-07-23 20:09:16,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:09:16,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:09:16,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:09:16,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:09:16,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:16,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:17,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:09:17,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:09:17,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:09:17,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:09:18,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... [2018-07-23 20:09:18,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:09:18,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:09:18,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:09:18,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:09:18,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:09:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:09:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:09:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 20:09:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output4 [2018-07-23 20:09:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:09:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:09:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-23 20:09:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output5 [2018-07-23 20:09:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:09:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:09:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 20:09:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output2 [2018-07-23 20:09:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 20:09:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output3 [2018-07-23 20:09:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-23 20:09:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output6 [2018-07-23 20:09:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 20:09:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 20:09:38,441 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:09:38,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:09:38 BoogieIcfgContainer [2018-07-23 20:09:38,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:09:38,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:09:38,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:09:38,446 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:09:38,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:09:12" (1/3) ... [2018-07-23 20:09:38,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76791f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:09:38, skipping insertion in model container [2018-07-23 20:09:38,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:09:16" (2/3) ... [2018-07-23 20:09:38,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76791f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:09:38, skipping insertion in model container [2018-07-23 20:09:38,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:09:38" (3/3) ... [2018-07-23 20:09:38,450 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label21_false-unreach-call.c [2018-07-23 20:09:38,460 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:09:38,472 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:09:38,543 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:09:38,544 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:09:38,544 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:09:38,544 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:09:38,544 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:09:38,544 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:09:38,545 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:09:38,545 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:09:38,545 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:09:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-23 20:09:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 20:09:38,601 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:09:38,602 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] [2018-07-23 20:09:38,603 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:09:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash -801718938, now seen corresponding path program 1 times [2018-07-23 20:09:38,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:09:38,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:09:38,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:09:38,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:09:38,675 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:09:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:09:39,045 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:09:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:09:39,139 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:09:39,140 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:09:39,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:09:39,146 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:09:39,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:09:39,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:09:39,164 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-23 20:09:56,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:09:56,402 INFO L93 Difference]: Finished difference Result 5042 states and 9509 transitions. [2018-07-23 20:09:56,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:09:56,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-07-23 20:09:56,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:09:56,454 INFO L225 Difference]: With dead ends: 5042 [2018-07-23 20:09:56,454 INFO L226 Difference]: Without dead ends: 3262 [2018-07-23 20:09:56,469 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:09:56,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2018-07-23 20:09:56,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3214. [2018-07-23 20:09:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3214 states. [2018-07-23 20:09:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 3214 states and 5986 transitions. [2018-07-23 20:09:56,679 INFO L78 Accepts]: Start accepts. Automaton has 3214 states and 5986 transitions. Word has length 22 [2018-07-23 20:09:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:09:56,680 INFO L471 AbstractCegarLoop]: Abstraction has 3214 states and 5986 transitions. [2018-07-23 20:09:56,680 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:09:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 5986 transitions. [2018-07-23 20:09:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 20:09:56,687 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:09:56,688 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:09:56,688 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:09:56,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1328784185, now seen corresponding path program 1 times [2018-07-23 20:09:56,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:09:56,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:09:56,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:09:56,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:09:56,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:09:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:09:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:09:57,201 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:09:57,201 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 20:09:57,202 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:09:57,205 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 20:09:57,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 20:09:57,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 20:09:57,206 INFO L87 Difference]: Start difference. First operand 3214 states and 5986 transitions. Second operand 5 states. [2018-07-23 20:10:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:10:34,198 INFO L93 Difference]: Finished difference Result 9615 states and 17996 transitions. [2018-07-23 20:10:34,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 20:10:34,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-07-23 20:10:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:10:34,246 INFO L225 Difference]: With dead ends: 9615 [2018-07-23 20:10:34,246 INFO L226 Difference]: Without dead ends: 6407 [2018-07-23 20:10:34,258 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:10:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2018-07-23 20:10:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6344. [2018-07-23 20:10:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6344 states. [2018-07-23 20:10:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 10095 transitions. [2018-07-23 20:10:34,466 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 10095 transitions. Word has length 122 [2018-07-23 20:10:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:10:34,467 INFO L471 AbstractCegarLoop]: Abstraction has 6344 states and 10095 transitions. [2018-07-23 20:10:34,467 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 20:10:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 10095 transitions. [2018-07-23 20:10:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 20:10:34,471 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:10:34,471 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 20:10:34,472 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:10:34,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1136717965, now seen corresponding path program 1 times [2018-07-23 20:10:34,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:10:34,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:10:34,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:10:34,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:10:34,478 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:10:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:10:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:10:35,023 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:10:35,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:10:35,024 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:10:35,025 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:10:35,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:10:35,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:10:35,026 INFO L87 Difference]: Start difference. First operand 6344 states and 10095 transitions. Second operand 6 states. [2018-07-23 20:11:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:11:04,099 INFO L93 Difference]: Finished difference Result 24188 states and 39690 transitions. [2018-07-23 20:11:04,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:11:04,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-07-23 20:11:04,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:11:04,188 INFO L225 Difference]: With dead ends: 24188 [2018-07-23 20:11:04,189 INFO L226 Difference]: Without dead ends: 17850 [2018-07-23 20:11:04,219 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:11:04,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17850 states. [2018-07-23 20:11:04,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17850 to 17713. [2018-07-23 20:11:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17713 states. [2018-07-23 20:11:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17713 states to 17713 states and 25577 transitions. [2018-07-23 20:11:04,698 INFO L78 Accepts]: Start accepts. Automaton has 17713 states and 25577 transitions. Word has length 132 [2018-07-23 20:11:04,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:11:04,699 INFO L471 AbstractCegarLoop]: Abstraction has 17713 states and 25577 transitions. [2018-07-23 20:11:04,699 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:11:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 17713 states and 25577 transitions. [2018-07-23 20:11:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 20:11:04,707 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:11:04,707 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:11:04,708 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:11:04,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1585236341, now seen corresponding path program 1 times [2018-07-23 20:11:04,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:11:04,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:11:04,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:11:04,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:11:04,710 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:11:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:11:05,026 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:11:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 20:11:05,361 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:11:05,361 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:11:05,362 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-07-23 20:11:05,364 INFO L201 CegarAbsIntRunner]: [0], [1], [2158], [2162], [2168], [2172], [2174], [5251], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5326], [5328], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5723], [5731], [5739], [5751], [5755], [5766], [5769], [5770], [5774], [5778], [5782], [5786], [5790], [5794], [5798], [5802], [5806], [5810], [5821], [5832], [5843], [5847], [5851], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5970], [5974], [5978], [5982], [5986], [5990], [6001], [6005], [6009], [6020], [6024], [6028], [6032], [6036], [6040], [6044], [6048], [6052], [6056], [6059], [6826], [6829], [6830], [6831], [6835], [6836] [2018-07-23 20:11:05,441 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:11:05,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:11:14,359 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:11:14,360 INFO L272 AbstractInterpreter]: Visited 140 different actions 140 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 20:11:14,369 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:11:18,634 INFO L232 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 75.11% of their original sizes. [2018-07-23 20:11:18,634 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:11:19,131 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:11:19,133 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:11:19,133 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 20:11:19,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:11:19,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 20:11:19,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 20:11:19,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 20:11:19,135 INFO L87 Difference]: Start difference. First operand 17713 states and 25577 transitions. Second operand 7 states. Received shutdown request... [2018-07-23 20:12:34,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:12:34,979 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:12:34,984 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:12:34,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:12:34 BoogieIcfgContainer [2018-07-23 20:12:34,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:12:34,986 INFO L168 Benchmark]: Toolchain (without parser) took 202394.27 ms. Allocated memory was 1.5 GB in the beginning and 5.7 GB in the end (delta: 4.1 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 20:12:34,987 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-07-23 20:12:34,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4073.90 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 188.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -102.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 7.1 GB. [2018-07-23 20:12:34,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 344.80 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. [2018-07-23 20:12:34,990 INFO L168 Benchmark]: Boogie Preprocessor took 1839.40 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 867.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.3 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2018-07-23 20:12:34,991 INFO L168 Benchmark]: RCFGBuilder took 19588.81 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 231.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 309.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 20:12:34,992 INFO L168 Benchmark]: TraceAbstraction took 176542.42 ms. Allocated memory was 2.8 GB in the beginning and 5.7 GB in the end (delta: 2.9 GB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -904.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 20:12:35,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4073.90 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 188.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -102.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 344.80 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: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1839.40 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 867.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.3 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 19588.81 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 231.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 309.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 176542.42 ms. Allocated memory was 2.8 GB in the beginning and 5.7 GB in the end (delta: 2.9 GB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -904.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 61). Cancelled while BasicCegarLoop was constructing difference of abstraction (17713states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (1926 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 176.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 159.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1753 SDtfs, 15206 SDslu, 1714 SDs, 0 SdLazy, 25660 SolverSat, 8745 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 144.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 253 GetRequests, 232 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17713occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9957675512260664 AbsIntWeakeningRatio, 0.11790393013100436 AbsIntAvgWeakeningVarsNumRemoved, 1045.1048034934497 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 248 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 506 NumberOfCodeBlocks, 506 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 313884 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 65/133 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_label21_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-12-35-016.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label21_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-12-35-016.csv Completed graceful shutdown