java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:07:04,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:07:04,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:07:04,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:07:04,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:07:04,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:07:04,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:07:04,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:07:04,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:07:04,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:07:04,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:07:04,546 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:07:04,547 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:07:04,548 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:07:04,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:07:04,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:07:04,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:07:04,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:07:04,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:07:04,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:07:04,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:07:04,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:07:04,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:07:04,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:07:04,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:07:04,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:07:04,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:07:04,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:07:04,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:07:04,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:07:04,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:07:04,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:07:04,578 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:07:04,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:07:04,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:07:04,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:07:04,581 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-07-24 15:07:04,597 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:07:04,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:07:04,598 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:07:04,598 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:07:04,598 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:07:04,598 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:07:04,599 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:07:04,599 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:07:04,599 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:07:04,599 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:07:04,599 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:07:04,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:07:04,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:07:04,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:07:04,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:07:04,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:07:04,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:07:04,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:07:04,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:07:04,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:07:04,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:07:04,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:07:04,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:07:04,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:07:04,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:07:04,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:07:04,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:07:04,604 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:07:04,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:07:04,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:07:04,604 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:07:04,605 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:07:04,605 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:07:04,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:07:04,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:07:04,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:07:04,675 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:07:04,676 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:07:04,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-07-24 15:07:05,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf820057e/66f6e443f84a4c07951ea03dca506d8a/FLAG046d7f347 [2018-07-24 15:07:05,629 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:07:05,631 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label03_true-unreach-call.c [2018-07-24 15:07:05,683 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf820057e/66f6e443f84a4c07951ea03dca506d8a/FLAG046d7f347 [2018-07-24 15:07:05,705 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf820057e/66f6e443f84a4c07951ea03dca506d8a [2018-07-24 15:07:05,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:07:05,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:07:05,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:07:05,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:07:05,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:07:05,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:07:05" (1/1) ... [2018-07-24 15:07:05,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212fe84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:05, skipping insertion in model container [2018-07-24 15:07:05,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:07:05" (1/1) ... [2018-07-24 15:07:06,199 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:07:08,082 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:07:08,099 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:07:09,264 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:07:10,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10 WrapperNode [2018-07-24 15:07:10,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:07:10,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:07:10,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:07:10,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:07:10,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:10,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:10,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:07:10,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:07:10,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:07:10,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:07:11,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:11,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:11,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:11,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:11,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:12,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:12,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... [2018-07-24 15:07:12,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:07:12,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:07:12,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:07:12,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:07:12,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:07:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:07:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-24 15:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-07-24 15:07:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 15:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-24 15:07:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-24 15:07:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-07-24 15:07:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 15:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-24 15:07:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:07:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:07:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 15:07:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-24 15:07:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:07:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:07:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 15:07:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-24 15:07:30,781 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:07:30,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:07:30 BoogieIcfgContainer [2018-07-24 15:07:30,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:07:30,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:07:30,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:07:30,786 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:07:30,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:07:05" (1/3) ... [2018-07-24 15:07:30,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624e5c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:07:30, skipping insertion in model container [2018-07-24 15:07:30,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:07:10" (2/3) ... [2018-07-24 15:07:30,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624e5c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:07:30, skipping insertion in model container [2018-07-24 15:07:30,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:07:30" (3/3) ... [2018-07-24 15:07:30,794 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label03_true-unreach-call.c [2018-07-24 15:07:30,809 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:07:30,820 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:07:30,890 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:07:30,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:07:30,891 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:07:30,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:07:30,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:07:30,891 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:07:30,891 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:07:30,891 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:07:30,892 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:07:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:07:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-24 15:07:30,952 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:07:30,954 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:07:30,954 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:07:30,960 INFO L82 PathProgramCache]: Analyzing trace with hash -410532338, now seen corresponding path program 1 times [2018-07-24 15:07:30,963 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:07:31,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:31,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:07:31,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:31,017 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:07:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:07:31,516 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:07:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:07:31,633 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:07:31,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:07:31,634 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:07:31,640 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:07:31,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:07:31,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:07:31,665 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:07:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:07:48,493 INFO L93 Difference]: Finished difference Result 4995 states and 9413 transitions. [2018-07-24 15:07:48,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:07:48,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-07-24 15:07:48,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:07:48,549 INFO L225 Difference]: With dead ends: 4995 [2018-07-24 15:07:48,549 INFO L226 Difference]: Without dead ends: 3215 [2018-07-24 15:07:48,563 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:07:48,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2018-07-24 15:07:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3213. [2018-07-24 15:07:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2018-07-24 15:07:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 5833 transitions. [2018-07-24 15:07:48,788 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 5833 transitions. Word has length 64 [2018-07-24 15:07:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:07:48,789 INFO L471 AbstractCegarLoop]: Abstraction has 3213 states and 5833 transitions. [2018-07-24 15:07:48,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:07:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 5833 transitions. [2018-07-24 15:07:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-24 15:07:48,809 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:07:48,810 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:07:48,810 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:07:48,811 INFO L82 PathProgramCache]: Analyzing trace with hash -942333263, now seen corresponding path program 1 times [2018-07-24 15:07:48,811 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:07:48,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:48,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:07:48,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:07:48,816 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:07:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:07:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:07:49,145 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:07:49,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:07:49,146 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:07:49,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:07:49,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:07:49,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:07:49,148 INFO L87 Difference]: Start difference. First operand 3213 states and 5833 transitions. Second operand 6 states. [2018-07-24 15:08:19,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:08:19,448 INFO L93 Difference]: Finished difference Result 9717 states and 17679 transitions. [2018-07-24 15:08:19,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:08:19,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-07-24 15:08:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:08:19,488 INFO L225 Difference]: With dead ends: 9717 [2018-07-24 15:08:19,488 INFO L226 Difference]: Without dead ends: 6510 [2018-07-24 15:08:19,499 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:08:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2018-07-24 15:08:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6349. [2018-07-24 15:08:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6349 states. [2018-07-24 15:08:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 9904 transitions. [2018-07-24 15:08:19,669 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 9904 transitions. Word has length 138 [2018-07-24 15:08:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:08:19,670 INFO L471 AbstractCegarLoop]: Abstraction has 6349 states and 9904 transitions. [2018-07-24 15:08:19,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:08:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 9904 transitions. [2018-07-24 15:08:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-24 15:08:19,675 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:08:19,675 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:08:19,675 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:08:19,675 INFO L82 PathProgramCache]: Analyzing trace with hash -114044437, now seen corresponding path program 1 times [2018-07-24 15:08:19,676 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:08:19,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:19,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:08:19,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:19,677 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:08:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:08:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:08:19,902 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:08:19,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:08:19,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:08:19,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:08:19,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:08:19,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:08:19,904 INFO L87 Difference]: Start difference. First operand 6349 states and 9904 transitions. Second operand 6 states. [2018-07-24 15:08:39,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:08:39,770 INFO L93 Difference]: Finished difference Result 17282 states and 26841 transitions. [2018-07-24 15:08:39,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:08:39,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-07-24 15:08:39,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:08:39,839 INFO L225 Difference]: With dead ends: 17282 [2018-07-24 15:08:39,839 INFO L226 Difference]: Without dead ends: 10939 [2018-07-24 15:08:39,859 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 15:08:39,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10939 states. [2018-07-24 15:08:40,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10939 to 10809. [2018-07-24 15:08:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10809 states. [2018-07-24 15:08:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10809 states to 10809 states and 15843 transitions. [2018-07-24 15:08:40,134 INFO L78 Accepts]: Start accepts. Automaton has 10809 states and 15843 transitions. Word has length 143 [2018-07-24 15:08:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:08:40,134 INFO L471 AbstractCegarLoop]: Abstraction has 10809 states and 15843 transitions. [2018-07-24 15:08:40,134 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:08:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10809 states and 15843 transitions. [2018-07-24 15:08:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-24 15:08:40,141 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:08:40,141 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:08:40,141 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:08:40,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1509113249, now seen corresponding path program 1 times [2018-07-24 15:08:40,142 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:08:40,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:40,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:08:40,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:08:40,143 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:08:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:08:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:08:40,509 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:08:40,509 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 15:08:40,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:08:40,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:08:40,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:08:40,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 15:08:40,511 INFO L87 Difference]: Start difference. First operand 10809 states and 15843 transitions. Second operand 5 states. [2018-07-24 15:09:04,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:09:04,117 INFO L93 Difference]: Finished difference Result 31144 states and 46509 transitions. [2018-07-24 15:09:04,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:09:04,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-07-24 15:09:04,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:09:04,185 INFO L225 Difference]: With dead ends: 31144 [2018-07-24 15:09:04,185 INFO L226 Difference]: Without dead ends: 20341 [2018-07-24 15:09:04,217 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:09:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20341 states. [2018-07-24 15:09:04,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20341 to 20022. [2018-07-24 15:09:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20022 states. [2018-07-24 15:09:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20022 states to 20022 states and 28424 transitions. [2018-07-24 15:09:04,648 INFO L78 Accepts]: Start accepts. Automaton has 20022 states and 28424 transitions. Word has length 146 [2018-07-24 15:09:04,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:09:04,648 INFO L471 AbstractCegarLoop]: Abstraction has 20022 states and 28424 transitions. [2018-07-24 15:09:04,648 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:09:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 20022 states and 28424 transitions. [2018-07-24 15:09:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-24 15:09:04,652 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:09:04,652 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:09:04,652 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:09:04,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1106453503, now seen corresponding path program 1 times [2018-07-24 15:09:04,653 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:09:04,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:04,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:09:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:04,654 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:09:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:09:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:09:05,061 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:09:05,061 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:09:05,061 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:09:05,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:09:05,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:09:05,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:09:05,062 INFO L87 Difference]: Start difference. First operand 20022 states and 28424 transitions. Second operand 6 states. [2018-07-24 15:09:51,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:09:51,030 INFO L93 Difference]: Finished difference Result 75318 states and 117474 transitions. [2018-07-24 15:09:51,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:09:51,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2018-07-24 15:09:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:09:51,238 INFO L225 Difference]: With dead ends: 75318 [2018-07-24 15:09:51,238 INFO L226 Difference]: Without dead ends: 55302 [2018-07-24 15:09:51,320 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:09:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55302 states. [2018-07-24 15:09:52,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55302 to 54964. [2018-07-24 15:09:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54964 states. [2018-07-24 15:09:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54964 states to 54964 states and 75922 transitions. [2018-07-24 15:09:52,544 INFO L78 Accepts]: Start accepts. Automaton has 54964 states and 75922 transitions. Word has length 173 [2018-07-24 15:09:52,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:09:52,545 INFO L471 AbstractCegarLoop]: Abstraction has 54964 states and 75922 transitions. [2018-07-24 15:09:52,545 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:09:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 54964 states and 75922 transitions. [2018-07-24 15:09:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-24 15:09:52,549 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:09:52,549 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:09:52,549 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:09:52,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1028370523, now seen corresponding path program 1 times [2018-07-24 15:09:52,550 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:09:52,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:52,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:09:52,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:09:52,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:09:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:09:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:09:52,845 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:09:52,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 15:09:52,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:09:52,846 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 15:09:52,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 15:09:52,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:09:52,847 INFO L87 Difference]: Start difference. First operand 54964 states and 75922 transitions. Second operand 4 states. [2018-07-24 15:10:15,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:10:15,670 INFO L93 Difference]: Finished difference Result 202041 states and 308033 transitions. [2018-07-24 15:10:15,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 15:10:15,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 276 [2018-07-24 15:10:15,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:10:16,237 INFO L225 Difference]: With dead ends: 202041 [2018-07-24 15:10:16,237 INFO L226 Difference]: Without dead ends: 147083 [2018-07-24 15:10:16,418 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:10:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147083 states. [2018-07-24 15:10:19,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147083 to 146820. [2018-07-24 15:10:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146820 states. [2018-07-24 15:10:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146820 states to 146820 states and 210415 transitions. [2018-07-24 15:10:20,213 INFO L78 Accepts]: Start accepts. Automaton has 146820 states and 210415 transitions. Word has length 276 [2018-07-24 15:10:20,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:10:20,214 INFO L471 AbstractCegarLoop]: Abstraction has 146820 states and 210415 transitions. [2018-07-24 15:10:20,214 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 15:10:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 146820 states and 210415 transitions. [2018-07-24 15:10:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2018-07-24 15:10:20,240 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:10:20,241 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:10:20,241 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 15:10:20,241 INFO L82 PathProgramCache]: Analyzing trace with hash 699331302, now seen corresponding path program 1 times [2018-07-24 15:10:20,241 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:10:20,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:10:20,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:10:20,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:10:20,243 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:10:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:10:21,217 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-07-24 15:10:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:21,593 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:10:21,593 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 15:10:21,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:10:21,604 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:10:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:10:21,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:10:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:24,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:10:24,514 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-24 15:10:24,739 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-07-24 15:10:24,928 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-07-24 15:10:25,321 WARN L169 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-07-24 15:10:26,114 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2018-07-24 15:10:26,686 WARN L169 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2018-07-24 15:10:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:10:29,312 INFO L309 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-07-24 15:10:29,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [7] total 13 [2018-07-24 15:10:29,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:10:29,314 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:10:29,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:10:29,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-07-24 15:10:29,315 INFO L87 Difference]: Start difference. First operand 146820 states and 210415 transitions. Second operand 5 states. [2018-07-24 15:10:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:10:55,867 INFO L93 Difference]: Finished difference Result 324684 states and 470021 transitions. [2018-07-24 15:10:55,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 15:10:55,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 691 [2018-07-24 15:10:55,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:10:56,827 INFO L225 Difference]: With dead ends: 324684 [2018-07-24 15:10:56,827 INFO L226 Difference]: Without dead ends: 177870 [2018-07-24 15:10:57,127 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1379 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-07-24 15:10:57,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177870 states. Received shutdown request... [2018-07-24 15:11:00,518 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:11:00,522 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:11:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:11:00 BoogieIcfgContainer [2018-07-24 15:11:00,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:11:00,524 INFO L168 Benchmark]: Toolchain (without parser) took 234804.76 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -246.1 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,525 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 15:11:00,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4360.04 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 213.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -130.1 MB). Peak memory consumption was 493.2 MB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 324.82 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,527 INFO L168 Benchmark]: Boogie Preprocessor took 1997.97 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 847.2 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -853.6 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,529 INFO L168 Benchmark]: RCFGBuilder took 18376.24 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 276.8 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 228.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,530 INFO L168 Benchmark]: TraceAbstraction took 209740.44 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 600.3 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 445.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-24 15:11:00,535 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4360.04 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 213.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -130.1 MB). Peak memory consumption was 493.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 324.82 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1997.97 ms. Allocated memory was 1.8 GB in the beginning and 2.6 GB in the end (delta: 847.2 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -853.6 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18376.24 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 276.8 MB). Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 228.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 209740.44 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 600.3 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 445.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 187]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 187). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.6s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 188.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3909 SDtfs, 36434 SDslu, 4661 SDs, 0 SdLazy, 64223 SolverSat, 17309 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 161.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1449 GetRequests, 1395 SyntacticMatches, 7 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146820occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 9.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1213 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 2322 NumberOfCodeBlocks, 2322 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3004 ConstructedInterpolants, 0 QuantifiedInterpolants, 14134823 SizeOfPredicates, 5 NumberOfNonLiveVariables, 905 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 399/456 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_label03_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-11-00-556.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label03_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-11-00-556.csv Completed graceful shutdown