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_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:11:02,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:11:02,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:11:02,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:11:02,964 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:11:02,965 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:11:02,966 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:11:02,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:11:02,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:11:02,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:11:02,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:11:02,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:11:02,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:11:02,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:11:02,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:11:02,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:11:02,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:11:02,994 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:11:02,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:11:02,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:11:02,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:11:03,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:11:03,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:11:03,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:11:03,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:11:03,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:11:03,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:11:03,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:11:03,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:11:03,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:11:03,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:11:03,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:11:03,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:11:03,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:11:03,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:11:03,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:11:03,018 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 15:11:03,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:11:03,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:11:03,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:11:03,049 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:11:03,049 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:11:03,049 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:11:03,050 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:11:03,050 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:11:03,050 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:11:03,050 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:11:03,050 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:11:03,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:11:03,052 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:11:03,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:11:03,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:11:03,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:11:03,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:11:03,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:11:03,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:11:03,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:11:03,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:11:03,054 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:11:03,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:11:03,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:11:03,056 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:11:03,056 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:11:03,056 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:11:03,056 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:11:03,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:11:03,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:11:03,057 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:11:03,057 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:11:03,057 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:11:03,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:11:03,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:11:03,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:11:03,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:11:03,155 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:11:03,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label25_true-unreach-call.c [2018-07-24 15:11:03,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7904f3127/acbd2316bfd84dda9dc26646f8fda17c/FLAG387a745a9 [2018-07-24 15:11:04,107 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:11:04,108 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label25_true-unreach-call.c [2018-07-24 15:11:04,163 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7904f3127/acbd2316bfd84dda9dc26646f8fda17c/FLAG387a745a9 [2018-07-24 15:11:04,181 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7904f3127/acbd2316bfd84dda9dc26646f8fda17c [2018-07-24 15:11:04,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:11:04,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:11:04,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:11:04,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:11:04,204 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:11:04,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:11:04" (1/1) ... [2018-07-24 15:11:04,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a5721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:04, skipping insertion in model container [2018-07-24 15:11:04,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:11:04" (1/1) ... [2018-07-24 15:11:04,733 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:11:06,564 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:11:06,583 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:11:07,912 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:11:08,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08 WrapperNode [2018-07-24 15:11:08,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:11:08,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:11:08,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:11:08,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:11:08,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:08,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:09,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:11:09,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:11:09,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:11:09,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:11:10,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (1/1) ... [2018-07-24 15:11:10,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:11:10,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:11:10,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:11:10,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:11:10,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (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 15:11:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:11:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:11:10,806 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 15:11:10,806 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 15:11:10,806 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 15:11:10,806 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 15:11:10,806 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 15:11:10,806 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 15:11:10,807 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 15:11:10,807 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 15:11:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:11:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:11:10,807 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 15:11:10,808 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 15:11:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:11:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:11:10,809 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 15:11:10,809 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 15:11:32,107 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:11:32,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:11:32 BoogieIcfgContainer [2018-07-24 15:11:32,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:11:32,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:11:32,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:11:32,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:11:32,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:11:04" (1/3) ... [2018-07-24 15:11:32,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c257e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:11:32, skipping insertion in model container [2018-07-24 15:11:32,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:11:08" (2/3) ... [2018-07-24 15:11:32,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c257e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:11:32, skipping insertion in model container [2018-07-24 15:11:32,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:11:32" (3/3) ... [2018-07-24 15:11:32,116 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label25_true-unreach-call.c [2018-07-24 15:11:32,125 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:11:32,135 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:11:32,202 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:11:32,203 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:11:32,203 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:11:32,203 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:11:32,204 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:11:32,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:11:32,204 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:11:32,204 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:11:32,204 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:11:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:11:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-24 15:11:32,263 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:11:32,264 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] [2018-07-24 15:11:32,265 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 15:11:32,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1544823376, now seen corresponding path program 1 times [2018-07-24 15:11:32,272 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:11:32,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:11:32,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:11:32,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:11:32,319 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:11:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:11:32,797 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 15:11:32,803 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:11:32,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:11:32,804 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:11:32,810 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:11:32,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:11:32,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:11:32,831 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:11:50,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:11:50,308 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-07-24 15:11:50,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:11:50,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-07-24 15:11:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:11:50,367 INFO L225 Difference]: With dead ends: 4999 [2018-07-24 15:11:50,367 INFO L226 Difference]: Without dead ends: 3219 [2018-07-24 15:11:50,381 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 15:11:50,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-07-24 15:11:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-07-24 15:11:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-07-24 15:11:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-07-24 15:11:50,590 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 43 [2018-07-24 15:11:50,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:11:50,591 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-07-24 15:11:50,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:11:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-07-24 15:11:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-24 15:11:50,602 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:11:50,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:11:50,603 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 15:11:50,603 INFO L82 PathProgramCache]: Analyzing trace with hash 69258840, now seen corresponding path program 1 times [2018-07-24 15:11:50,603 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:11:50,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:11:50,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:11:50,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:11:50,611 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:11:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:11:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:11:51,200 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:11:51,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:11:51,201 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:11:51,204 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:11:51,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:11:51,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:11:51,205 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-07-24 15:12:34,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:12:34,812 INFO L93 Difference]: Finished difference Result 9676 states and 17669 transitions. [2018-07-24 15:12:34,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:12:34,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-07-24 15:12:34,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:12:34,855 INFO L225 Difference]: With dead ends: 9676 [2018-07-24 15:12:34,856 INFO L226 Difference]: Without dead ends: 6467 [2018-07-24 15:12:34,868 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:12:34,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6467 states. [2018-07-24 15:12:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6467 to 6359. [2018-07-24 15:12:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6359 states. [2018-07-24 15:12:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9931 transitions. [2018-07-24 15:12:35,078 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9931 transitions. Word has length 115 [2018-07-24 15:12:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:12:35,078 INFO L471 AbstractCegarLoop]: Abstraction has 6359 states and 9931 transitions. [2018-07-24 15:12:35,079 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:12:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9931 transitions. [2018-07-24 15:12:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-24 15:12:35,083 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:12:35,083 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:12:35,084 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 15:12:35,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1737852776, now seen corresponding path program 1 times [2018-07-24 15:12:35,084 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:12:35,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:12:35,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:12:35,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:12:35,086 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:12:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:12:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:12:35,475 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:12:35,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:12:35,476 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:12:35,476 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:12:35,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:12:35,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:12:35,477 INFO L87 Difference]: Start difference. First operand 6359 states and 9931 transitions. Second operand 6 states. [2018-07-24 15:13:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:13:00,473 INFO L93 Difference]: Finished difference Result 18715 states and 29401 transitions. [2018-07-24 15:13:00,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:13:00,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-07-24 15:13:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:13:00,530 INFO L225 Difference]: With dead ends: 18715 [2018-07-24 15:13:00,530 INFO L226 Difference]: Without dead ends: 12362 [2018-07-24 15:13:00,550 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 15:13:00,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12362 states. [2018-07-24 15:13:00,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12362 to 12250. [2018-07-24 15:13:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12250 states. [2018-07-24 15:13:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12250 states to 12250 states and 17235 transitions. [2018-07-24 15:13:00,832 INFO L78 Accepts]: Start accepts. Automaton has 12250 states and 17235 transitions. Word has length 116 [2018-07-24 15:13:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:13:00,833 INFO L471 AbstractCegarLoop]: Abstraction has 12250 states and 17235 transitions. [2018-07-24 15:13:00,833 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:13:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12250 states and 17235 transitions. [2018-07-24 15:13:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-24 15:13:00,836 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:00,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:13:00,837 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 15:13:00,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1054545254, now seen corresponding path program 1 times [2018-07-24 15:13:00,837 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:00,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:00,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:00,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:00,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:13:01,173 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:13:01,173 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:13:01,173 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:01,174 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:13:01,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:13:01,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:13:01,174 INFO L87 Difference]: Start difference. First operand 12250 states and 17235 transitions. Second operand 6 states. [2018-07-24 15:13:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:13:52,756 INFO L93 Difference]: Finished difference Result 49546 states and 76033 transitions. [2018-07-24 15:13:52,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:13:52,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-07-24 15:13:52,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:13:52,926 INFO L225 Difference]: With dead ends: 49546 [2018-07-24 15:13:52,926 INFO L226 Difference]: Without dead ends: 37302 [2018-07-24 15:13:53,004 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:13:53,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37302 states. [2018-07-24 15:13:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37302 to 36969. [2018-07-24 15:13:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36969 states. [2018-07-24 15:13:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36969 states to 36969 states and 50137 transitions. [2018-07-24 15:13:53,963 INFO L78 Accepts]: Start accepts. Automaton has 36969 states and 50137 transitions. Word has length 133 [2018-07-24 15:13:53,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:13:53,963 INFO L471 AbstractCegarLoop]: Abstraction has 36969 states and 50137 transitions. [2018-07-24 15:13:53,965 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:13:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 36969 states and 50137 transitions. [2018-07-24 15:13:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-24 15:13:53,973 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:13:53,974 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:13:53,974 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 15:13:53,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1411520828, now seen corresponding path program 1 times [2018-07-24 15:13:53,975 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:13:53,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:53,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:53,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:13:53,976 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:13:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 72 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:13:54,330 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:13:54,331 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 15:13:54,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:13:54,350 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:13:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:13:54,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:13:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-07-24 15:13:54,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:13:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 72 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:13:55,680 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:13:55,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-07-24 15:13:55,680 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:13:55,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:13:55,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:13:55,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:13:55,682 INFO L87 Difference]: Start difference. First operand 36969 states and 50137 transitions. Second operand 5 states. [2018-07-24 15:14:22,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:22,381 INFO L93 Difference]: Finished difference Result 112335 states and 160619 transitions. [2018-07-24 15:14:22,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:14:22,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2018-07-24 15:14:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:22,819 INFO L225 Difference]: With dead ends: 112335 [2018-07-24 15:14:22,819 INFO L226 Difference]: Without dead ends: 75372 [2018-07-24 15:14:22,924 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-07-24 15:14:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75372 states. [2018-07-24 15:14:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75372 to 73804. [2018-07-24 15:14:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73804 states. [2018-07-24 15:14:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73804 states to 73804 states and 98524 transitions. [2018-07-24 15:14:24,846 INFO L78 Accepts]: Start accepts. Automaton has 73804 states and 98524 transitions. Word has length 198 [2018-07-24 15:14:24,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:24,847 INFO L471 AbstractCegarLoop]: Abstraction has 73804 states and 98524 transitions. [2018-07-24 15:14:24,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:14:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 73804 states and 98524 transitions. [2018-07-24 15:14:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-24 15:14:24,853 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:24,854 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 15:14:24,854 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 15:14:24,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1504642702, now seen corresponding path program 1 times [2018-07-24 15:14:24,854 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:24,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:24,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:24,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:24,856 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:25,671 WARN L169 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:14:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:14:26,071 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:14:26,071 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 15:14:26,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:26,089 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:14:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:26,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:14:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-07-24 15:14:26,628 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:14:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:14:26,921 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:14:26,922 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-07-24 15:14:26,922 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:14:26,922 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:14:26,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:14:26,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:14:26,923 INFO L87 Difference]: Start difference. First operand 73804 states and 98524 transitions. Second operand 5 states. [2018-07-24 15:14:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:14:47,963 INFO L93 Difference]: Finished difference Result 165024 states and 233858 transitions. [2018-07-24 15:14:47,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:14:47,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2018-07-24 15:14:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:14:48,352 INFO L225 Difference]: With dead ends: 165024 [2018-07-24 15:14:48,353 INFO L226 Difference]: Without dead ends: 91226 [2018-07-24 15:14:48,473 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 422 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-07-24 15:14:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91226 states. [2018-07-24 15:14:50,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91226 to 89834. [2018-07-24 15:14:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89834 states. [2018-07-24 15:14:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89834 states to 89834 states and 117500 transitions. [2018-07-24 15:14:50,281 INFO L78 Accepts]: Start accepts. Automaton has 89834 states and 117500 transitions. Word has length 214 [2018-07-24 15:14:50,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:14:50,282 INFO L471 AbstractCegarLoop]: Abstraction has 89834 states and 117500 transitions. [2018-07-24 15:14:50,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:14:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 89834 states and 117500 transitions. [2018-07-24 15:14:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2018-07-24 15:14:50,316 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:14:50,317 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:14:50,317 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 15:14:50,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1655280856, now seen corresponding path program 1 times [2018-07-24 15:14:50,318 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:14:50,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:50,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:14:50,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:14:50,320 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:14:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:14:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-07-24 15:14:51,156 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:14:51,156 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 15:14:51,156 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:14:51,157 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 15:14:51,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 15:14:51,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 15:14:51,158 INFO L87 Difference]: Start difference. First operand 89834 states and 117500 transitions. Second operand 4 states. Received shutdown request... [2018-07-24 15:14:59,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 15:14:59,241 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:14:59,246 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:14:59,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:14:59 BoogieIcfgContainer [2018-07-24 15:14:59,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:14:59,247 INFO L168 Benchmark]: Toolchain (without parser) took 235054.19 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 819.9 MB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,248 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 15:14:59,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4427.83 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 202.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -120.7 MB). Peak memory consumption was 491.3 MB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 392.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,251 INFO L168 Benchmark]: Boogie Preprocessor took 1712.85 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 853.0 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -875.3 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,251 INFO L168 Benchmark]: RCFGBuilder took 21377.22 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 253.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 297.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,252 INFO L168 Benchmark]: TraceAbstraction took 207137.99 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 958.9 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -812.3 MB). Peak memory consumption was 146.7 MB. Max. memory is 7.1 GB. [2018-07-24 15:14:59,260 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 4427.83 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 202.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -120.7 MB). Peak memory consumption was 491.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 392.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1712.85 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 853.0 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -875.3 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21377.22 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 253.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 297.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 207137.99 ms. Allocated memory was 2.8 GB in the beginning and 3.8 GB in the end (delta: 958.9 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -812.3 MB). Peak memory consumption was 146.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 124). Cancelled while BasicCegarLoop was constructing difference of abstraction (89834states) and interpolant automaton (currently 4 states, 4 states before enhancement), while ReachableStatesComputation was computing reachable states (26719 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 195.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4513 SDtfs, 37296 SDslu, 4729 SDs, 0 SdLazy, 61771 SolverSat, 15271 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 172.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 881 GetRequests, 829 SyntacticMatches, 8 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89834occurred 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: 5.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 3517 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1958 NumberOfCodeBlocks, 1958 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2359 ConstructedInterpolants, 0 QuantifiedInterpolants, 1609082 SizeOfPredicates, 2 NumberOfNonLiveVariables, 836 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 865/1131 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_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-14-59-277.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-14-59-277.csv Completed graceful shutdown