java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 23:15:42,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 23:15:42,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 23:15:42,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 23:15:42,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 23:15:42,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 23:15:42,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 23:15:42,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 23:15:42,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 23:15:42,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 23:15:42,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 23:15:42,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 23:15:42,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 23:15:42,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 23:15:42,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 23:15:42,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 23:15:42,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 23:15:42,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 23:15:42,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 23:15:42,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 23:15:42,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 23:15:42,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 23:15:42,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 23:15:42,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 23:15:42,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 23:15:42,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 23:15:42,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 23:15:42,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 23:15:42,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 23:15:42,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 23:15:42,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 23:15:42,263 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 23:15:42,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 23:15:42,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 23:15:42,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 23:15:42,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 23:15:42,265 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 23:15:42,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 23:15:42,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 23:15:42,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 23:15:42,281 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 23:15:42,281 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 23:15:42,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 23:15:42,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 23:15:42,282 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 23:15:42,282 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 23:15:42,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 23:15:42,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 23:15:42,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 23:15:42,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 23:15:42,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 23:15:42,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 23:15:42,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 23:15:42,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 23:15:42,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 23:15:42,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 23:15:42,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 23:15:42,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 23:15:42,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 23:15:42,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 23:15:42,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:15:42,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 23:15:42,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 23:15:42,287 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 23:15:42,288 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 23:15:42,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 23:15:42,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 23:15:42,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 23:15:42,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 23:15:42,355 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 23:15:42,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c [2018-07-23 23:15:42,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91728a073/67537ffd3e324248b9f339ba23f74f1c/FLAGb232ada7e [2018-07-23 23:15:43,309 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 23:15:43,311 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label04_true-unreach-call.c [2018-07-23 23:15:43,367 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91728a073/67537ffd3e324248b9f339ba23f74f1c/FLAGb232ada7e [2018-07-23 23:15:43,384 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91728a073/67537ffd3e324248b9f339ba23f74f1c [2018-07-23 23:15:43,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 23:15:43,401 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 23:15:43,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 23:15:43,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 23:15:43,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 23:15:43,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:15:43" (1/1) ... [2018-07-23 23:15:43,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774e55b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:43, skipping insertion in model container [2018-07-23 23:15:43,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:15:43" (1/1) ... [2018-07-23 23:15:43,870 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 23:15:45,527 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:15:45,544 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 23:15:46,853 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:15:47,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47 WrapperNode [2018-07-23 23:15:47,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 23:15:47,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 23:15:47,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 23:15:47,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 23:15:47,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:47,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:47,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 23:15:47,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 23:15:47,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 23:15:47,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 23:15:49,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... [2018-07-23 23:15:49,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 23:15:49,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 23:15:49,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 23:15:49,905 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 23:15:49,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:15:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 23:15:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 23:15:49,971 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 [2018-07-23 23:15:49,971 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 [2018-07-23 23:15:49,972 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 [2018-07-23 23:15:49,972 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 [2018-07-23 23:15:49,972 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 [2018-07-23 23:15:49,972 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 [2018-07-23 23:15:49,972 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 [2018-07-23 23:15:49,973 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 [2018-07-23 23:15:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 23:15:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 23:15:49,973 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 [2018-07-23 23:15:49,973 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 [2018-07-23 23:15:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 23:15:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 23:15:49,974 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 [2018-07-23 23:15:49,974 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 [2018-07-23 23:16:16,145 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 23:16:16,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:16:16 BoogieIcfgContainer [2018-07-23 23:16:16,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 23:16:16,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 23:16:16,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 23:16:16,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 23:16:16,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 11:15:43" (1/3) ... [2018-07-23 23:16:16,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3424a442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:16:16, skipping insertion in model container [2018-07-23 23:16:16,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:15:47" (2/3) ... [2018-07-23 23:16:16,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3424a442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:16:16, skipping insertion in model container [2018-07-23 23:16:16,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:16:16" (3/3) ... [2018-07-23 23:16:16,154 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label04_true-unreach-call.c [2018-07-23 23:16:16,165 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 23:16:16,177 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 23:16:16,260 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 23:16:16,261 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 23:16:16,261 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 23:16:16,261 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 23:16:16,261 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 23:16:16,261 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 23:16:16,261 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 23:16:16,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 23:16:16,262 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 23:16:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-23 23:16:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 23:16:16,334 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:16:16,335 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, 1, 1, 1, 1, 1] [2018-07-23 23:16:16,336 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]=== [2018-07-23 23:16:16,342 INFO L82 PathProgramCache]: Analyzing trace with hash -425802536, now seen corresponding path program 1 times [2018-07-23 23:16:16,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:16:16,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:16:16,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:16:16,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:16:16,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:16:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:16:17,003 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-07-23 23:16:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:16:17,030 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:16:17,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 23:16:17,031 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:16:17,038 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 23:16:17,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 23:16:17,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:16:17,059 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-07-23 23:16:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:16:42,776 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-07-23 23:16:42,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 23:16:42,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-07-23 23:16:42,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:16:42,844 INFO L225 Difference]: With dead ends: 6465 [2018-07-23 23:16:42,844 INFO L226 Difference]: Without dead ends: 4681 [2018-07-23 23:16:42,859 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:16:42,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-07-23 23:16:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-07-23 23:16:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-07-23 23:16:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-07-23 23:16:43,077 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 69 [2018-07-23 23:16:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:16:43,078 INFO L471 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-07-23 23:16:43,078 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 23:16:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-07-23 23:16:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 23:16:43,087 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:16:43,087 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:16:43,088 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]=== [2018-07-23 23:16:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1567404322, now seen corresponding path program 1 times [2018-07-23 23:16:43,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:16:43,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:16:43,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:16:43,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:16:43,090 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:16:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:16:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:16:43,674 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:16:43,675 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 23:16:43,675 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:16:43,677 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 23:16:43,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 23:16:43,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 23:16:43,678 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-07-23 23:17:15,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:17:15,043 INFO L93 Difference]: Finished difference Result 9649 states and 15539 transitions. [2018-07-23 23:17:15,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:17:15,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-07-23 23:17:15,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:17:15,079 INFO L225 Difference]: With dead ends: 9649 [2018-07-23 23:17:15,080 INFO L226 Difference]: Without dead ends: 6455 [2018-07-23 23:17:15,090 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 [2018-07-23 23:17:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6455 states. [2018-07-23 23:17:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6455 to 6345. [2018-07-23 23:17:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6345 states. [2018-07-23 23:17:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 8983 transitions. [2018-07-23 23:17:15,264 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 8983 transitions. Word has length 141 [2018-07-23 23:17:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:17:15,265 INFO L471 AbstractCegarLoop]: Abstraction has 6345 states and 8983 transitions. [2018-07-23 23:17:15,265 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 23:17:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 8983 transitions. [2018-07-23 23:17:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 23:17:15,269 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:17:15,269 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, 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] [2018-07-23 23:17:15,269 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]=== [2018-07-23 23:17:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1284430037, now seen corresponding path program 1 times [2018-07-23 23:17:15,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:17:15,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:17:15,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:17:15,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:17:15,271 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:17:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:17:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:17:15,688 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:17:15,689 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 23:17:15,689 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:17:15,689 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 23:17:15,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 23:17:15,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 23:17:15,691 INFO L87 Difference]: Start difference. First operand 6345 states and 8983 transitions. Second operand 6 states. [2018-07-23 23:17:42,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:17:42,723 INFO L93 Difference]: Finished difference Result 24604 states and 35805 transitions. [2018-07-23 23:17:42,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:17:42,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-07-23 23:17:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:17:42,821 INFO L225 Difference]: With dead ends: 24604 [2018-07-23 23:17:42,821 INFO L226 Difference]: Without dead ends: 18265 [2018-07-23 23:17:42,851 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 23:17:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18265 states. [2018-07-23 23:17:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18265 to 18027. [2018-07-23 23:17:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18027 states. [2018-07-23 23:17:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18027 states to 18027 states and 24375 transitions. [2018-07-23 23:17:43,318 INFO L78 Accepts]: Start accepts. Automaton has 18027 states and 24375 transitions. Word has length 143 [2018-07-23 23:17:43,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:17:43,319 INFO L471 AbstractCegarLoop]: Abstraction has 18027 states and 24375 transitions. [2018-07-23 23:17:43,319 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 23:17:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 18027 states and 24375 transitions. [2018-07-23 23:17:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 23:17:43,328 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:17:43,330 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:17:43,330 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]=== [2018-07-23 23:17:43,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1573454321, now seen corresponding path program 1 times [2018-07-23 23:17:43,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 23:17:43,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:17:43,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:17:43,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:17:43,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 23:17:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:17:43,642 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 23:17:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 23:17:43,704 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:17:43,704 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 23:17:43,705 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-07-23 23:17:43,707 INFO L201 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1498], [1506], [1514], [1522], [1526], [1528], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1582], [1587], [1589], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1617], [2650], [5775], [5779], [5785], [5789], [5791], [6833], [6834], [6835], [6839], [6840] [2018-07-23 23:17:43,771 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 23:17:43,772 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 23:17:47,434 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 23:17:47,436 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 23:17:47,446 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 23:17:50,485 INFO L232 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 76.04% of their original sizes. [2018-07-23 23:17:50,485 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 23:17:51,031 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 23:17:51,032 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 23:17:51,033 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 23:17:51,033 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 23:17:51,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 23:17:51,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 23:17:51,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 23:17:51,034 INFO L87 Difference]: Start difference. First operand 18027 states and 24375 transitions. Second operand 7 states. Received shutdown request... [2018-07-23 23:19:07,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 23:19:07,047 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 23:19:07,052 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 23:19:07,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 11:19:07 BoogieIcfgContainer [2018-07-23 23:19:07,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 23:19:07,054 INFO L168 Benchmark]: Toolchain (without parser) took 203655.48 ms. Allocated memory was 1.5 GB in the beginning and 6.0 GB in the end (delta: 4.5 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,055 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-07-23 23:19:07,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4135.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 187.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -95.4 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 406.12 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,058 INFO L168 Benchmark]: Boogie Preprocessor took 1959.42 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 874.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.9 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,059 INFO L168 Benchmark]: RCFGBuilder took 26241.16 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 221.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 337.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,060 INFO L168 Benchmark]: TraceAbstraction took 170906.41 ms. Allocated memory was 2.8 GB in the beginning and 6.0 GB in the end (delta: 3.2 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 23:19:07,065 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4135.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 187.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -95.4 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 406.12 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: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1959.42 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 874.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -894.9 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 26241.16 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 221.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 337.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 170906.41 ms. Allocated memory was 2.8 GB in the beginning and 6.0 GB in the end (delta: 3.2 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 202]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 202). Cancelled while BasicCegarLoop was constructing difference of abstraction (18027states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (2242 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 170.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 160.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2686 SDtfs, 16728 SDslu, 2722 SDs, 0 SdLazy, 31600 SolverSat, 8010 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 143.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 247 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18027occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9957953358858335 AbsIntWeakeningRatio, 0.12669683257918551 AbsIntAvgWeakeningVarsNumRemoved, 1038.1447963800906 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 1829 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 575 NumberOfCodeBlocks, 575 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 571 ConstructedInterpolants, 0 QuantifiedInterpolants, 238677 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 253/320 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_label04_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_23-19-07-080.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label04_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_23-19-07-080.csv Completed graceful shutdown