java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label45_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:40:45,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:40:45,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:40:45,666 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:40:45,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:40:45,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:40:45,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:40:45,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:40:45,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:40:45,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:40:45,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:40:45,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:40:45,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:40:45,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:40:45,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:40:45,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:40:45,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:40:45,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:40:45,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:40:45,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:40:45,685 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:40:45,686 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:40:45,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 14:40:45,692 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 14:40:45,692 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 14:40:45,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 14:40:45,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 14:40:45,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 14:40:45,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 14:40:45,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 14:40:45,702 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 14:40:45,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 14:40:45,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:40:45,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:40:45,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:40:45,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:40:45,707 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 14:40:45,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:40:45,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:40:45,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:40:45,727 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:40:45,727 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:40:45,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:40:45,728 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:40:45,728 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:40:45,728 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:40:45,728 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:40:45,728 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:40:45,729 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:40:45,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:40:45,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:40:45,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:40:45,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:40:45,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:40:45,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:40:45,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:40:45,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:40:45,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:40:45,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:40:45,731 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:40:45,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:40:45,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:40:45,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:40:45,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:40:45,732 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:40:45,732 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:40:45,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:40:45,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:40:45,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:40:45,733 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:40:45,733 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:40:45,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:40:45,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:40:45,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:40:45,797 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:40:45,798 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:40:45,798 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label45_true-unreach-call.c [2018-08-08 14:40:46,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffec85794/d0e17fc70e41421a8269383896f7a11c/FLAG6beb24a50 [2018-08-08 14:40:46,634 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:40:46,635 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label45_true-unreach-call.c [2018-08-08 14:40:46,670 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffec85794/d0e17fc70e41421a8269383896f7a11c/FLAG6beb24a50 [2018-08-08 14:40:46,694 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffec85794/d0e17fc70e41421a8269383896f7a11c [2018-08-08 14:40:46,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:40:46,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:40:46,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:40:46,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:40:46,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:40:46,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:40:46" (1/1) ... [2018-08-08 14:40:46,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b24901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:46, skipping insertion in model container [2018-08-08 14:40:46,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:40:46" (1/1) ... [2018-08-08 14:40:47,069 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:40:47,885 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:40:47,905 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:40:48,505 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:40:48,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48 WrapperNode [2018-08-08 14:40:48,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:40:48,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:40:48,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:40:48,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:40:48,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:48,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:40:49,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:40:49,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:40:49,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:40:49,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (1/1) ... [2018-08-08 14:40:49,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:40:49,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:40:49,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:40:49,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:40:49,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (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 [2018-08-08 14:40:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:40:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:40:50,047 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 [2018-08-08 14:40:50,047 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 [2018-08-08 14:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:40:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:40:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:40:50,048 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 [2018-08-08 14:40:50,049 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 [2018-08-08 14:41:00,355 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:41:00,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:41:00 BoogieIcfgContainer [2018-08-08 14:41:00,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:41:00,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:41:00,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:41:00,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:41:00,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:40:46" (1/3) ... [2018-08-08 14:41:00,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330ccd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:41:00, skipping insertion in model container [2018-08-08 14:41:00,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:40:48" (2/3) ... [2018-08-08 14:41:00,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330ccd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:41:00, skipping insertion in model container [2018-08-08 14:41:00,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:41:00" (3/3) ... [2018-08-08 14:41:00,368 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label45_true-unreach-call.c [2018-08-08 14:41:00,378 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:41:00,389 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:41:00,446 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:41:00,447 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:41:00,447 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:41:00,447 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:41:00,447 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:41:00,448 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:41:00,448 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:41:00,448 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:41:00,448 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:41:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-08-08 14:41:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-08-08 14:41:00,506 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:41:00,507 INFO L376 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, 1, 1, 1, 1] [2018-08-08 14:41:00,509 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:41:00,513 INFO L82 PathProgramCache]: Analyzing trace with hash -850091047, now seen corresponding path program 1 times [2018-08-08 14:41:00,515 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:41:00,516 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-08-08 14:41:00,519 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [1574], [1578], [1584], [1588], [2306], [2307], [2308], [2310] [2018-08-08 14:41:00,579 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:41:00,579 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:41:03,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:41:03,090 INFO L272 AbstractInterpreter]: Visited 56 different actions 56 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-08-08 14:41:03,114 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:41:04,504 INFO L232 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 77.89% of their original sizes. [2018-08-08 14:41:04,505 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:41:04,838 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:41:04,840 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:41:04,840 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:41:04,840 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:41:04,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:41:04,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:41:04,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:41:04,856 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2018-08-08 14:41:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:41:21,458 INFO L93 Difference]: Finished difference Result 1642 states and 3016 transitions. [2018-08-08 14:41:21,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:41:21,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-08-08 14:41:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:41:21,489 INFO L225 Difference]: With dead ends: 1642 [2018-08-08 14:41:21,490 INFO L226 Difference]: Without dead ends: 1036 [2018-08-08 14:41:21,502 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:41:21,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-08-08 14:41:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-08-08 14:41:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-08-08 14:41:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1511 transitions. [2018-08-08 14:41:21,628 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1511 transitions. Word has length 57 [2018-08-08 14:41:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:41:21,629 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1511 transitions. [2018-08-08 14:41:21,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:41:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1511 transitions. [2018-08-08 14:41:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-08-08 14:41:21,636 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:41:21,637 INFO L376 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, 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] [2018-08-08 14:41:21,637 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:41:21,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1103404969, now seen corresponding path program 1 times [2018-08-08 14:41:21,638 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:41:21,638 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-08-08 14:41:21,639 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:41:21,646 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:41:21,646 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:41:25,283 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:41:35,817 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:41:35,817 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:41:35,826 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:41:37,630 INFO L232 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 76.29% of their original sizes. [2018-08-08 14:41:37,631 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:41:38,813 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:41:38,813 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:41:38,813 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:41:38,813 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:41:38,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:41:38,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:41:38,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:41:38,816 INFO L87 Difference]: Start difference. First operand 1034 states and 1511 transitions. Second operand 13 states. [2018-08-08 14:42:19,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:42:19,273 INFO L93 Difference]: Finished difference Result 2814 states and 4895 transitions. [2018-08-08 14:42:19,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-08-08 14:42:19,274 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2018-08-08 14:42:19,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:42:19,287 INFO L225 Difference]: With dead ends: 2814 [2018-08-08 14:42:19,287 INFO L226 Difference]: Without dead ends: 2220 [2018-08-08 14:42:19,292 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2018-08-08 14:42:19,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2018-08-08 14:42:19,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1497. [2018-08-08 14:42:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-08-08 14:42:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2009 transitions. [2018-08-08 14:42:19,360 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2009 transitions. Word has length 132 [2018-08-08 14:42:19,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:42:19,362 INFO L480 AbstractCegarLoop]: Abstraction has 1497 states and 2009 transitions. [2018-08-08 14:42:19,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:42:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2009 transitions. [2018-08-08 14:42:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-08-08 14:42:19,368 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:42:19,368 INFO L376 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, 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] [2018-08-08 14:42:19,368 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:42:19,369 INFO L82 PathProgramCache]: Analyzing trace with hash -373950294, now seen corresponding path program 1 times [2018-08-08 14:42:19,369 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:42:19,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-08-08 14:42:19,370 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:42:19,374 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:42:19,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:42:24,108 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:42:41,195 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:42:41,195 INFO L272 AbstractInterpreter]: Visited 95 different actions 272 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:42:41,215 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:42:43,961 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 76.17% of their original sizes. [2018-08-08 14:42:43,962 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:42:53,273 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:42:53,274 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:42:53,274 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:42:53,275 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:42:53,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:42:53,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:42:53,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:42:53,277 INFO L87 Difference]: Start difference. First operand 1497 states and 2009 transitions. Second operand 13 states. [2018-08-08 14:43:35,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:43:35,884 INFO L93 Difference]: Finished difference Result 2646 states and 4140 transitions. [2018-08-08 14:43:35,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-08-08 14:43:35,886 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 145 [2018-08-08 14:43:35,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:43:35,900 INFO L225 Difference]: With dead ends: 2646 [2018-08-08 14:43:35,900 INFO L226 Difference]: Without dead ends: 2052 [2018-08-08 14:43:35,903 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 69 SyntacticMatches, 64 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2018-08-08 14:43:35,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2018-08-08 14:43:35,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1962. [2018-08-08 14:43:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2018-08-08 14:43:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2620 transitions. [2018-08-08 14:43:35,982 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2620 transitions. Word has length 145 [2018-08-08 14:43:35,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:43:35,983 INFO L480 AbstractCegarLoop]: Abstraction has 1962 states and 2620 transitions. [2018-08-08 14:43:35,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:43:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2620 transitions. [2018-08-08 14:43:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-08-08 14:43:35,997 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:43:35,997 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:43:35,997 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:43:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1113783174, now seen corresponding path program 1 times [2018-08-08 14:43:35,998 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:43:35,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-08-08 14:43:35,998 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [357], [359], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:43:36,004 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:43:36,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:43:38,834 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:44:22,545 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:44:22,545 INFO L272 AbstractInterpreter]: Visited 96 different actions 650 times. Merged at 7 different actions 44 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 2 different actions. Largest state had 26 variables. [2018-08-08 14:44:22,553 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:44:27,604 INFO L232 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 75.81% of their original sizes. [2018-08-08 14:44:27,604 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:44:39,314 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:44:39,315 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:44:39,315 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 14:44:39,315 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:44:39,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 14:44:39,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 14:44:39,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-08-08 14:44:39,318 INFO L87 Difference]: Start difference. First operand 1962 states and 2620 transitions. Second operand 14 states. Received shutdown request... [2018-08-08 14:45:03,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 14:45:03,483 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:45:03,488 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:45:03,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:45:03 BoogieIcfgContainer [2018-08-08 14:45:03,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:45:03,489 INFO L168 Benchmark]: Toolchain (without parser) took 256780.04 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 793.0 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,491 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-08-08 14:45:03,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2042.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 350.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,494 INFO L168 Benchmark]: Boogie Preprocessor took 863.52 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 889.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,495 INFO L168 Benchmark]: RCFGBuilder took 10384.41 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 492.8 MB). Peak memory consumption was 492.8 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,496 INFO L168 Benchmark]: TraceAbstraction took 243130.34 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 281.1 MB. Max. memory is 7.1 GB. [2018-08-08 14:45:03,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2042.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 350.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 863.52 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 889.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10384.41 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 492.8 MB). Peak memory consumption was 492.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243130.34 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 281.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 158]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 158). Cancelled while BasicCegarLoop was constructing difference of abstraction (1962states) and FLOYD_HOARE automaton (currently 15 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (1816 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 243.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 123.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1955 SDtfs, 13529 SDslu, 1282 SDs, 0 SdLazy, 14283 SolverSat, 2218 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 114.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 588 GetRequests, 385 SyntacticMatches, 127 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 85.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9935102564102559 AbsIntWeakeningRatio, 0.15272727272727274 AbsIntAvgWeakeningVarsNumRemoved, 51.53090909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 815 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/Problem17_label45_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-45-03-517.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label45_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-45-03-517.csv Completed graceful shutdown