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_label56_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 15:15:47,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 15:15:47,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 15:15:47,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 15:15:47,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 15:15:47,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 15:15:47,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 15:15:47,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 15:15:47,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 15:15:47,247 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 15:15:47,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 15:15:47,248 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 15:15:47,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 15:15:47,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 15:15:47,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 15:15:47,252 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 15:15:47,253 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 15:15:47,254 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 15:15:47,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 15:15:47,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 15:15:47,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 15:15:47,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 15:15:47,263 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 15:15:47,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 15:15:47,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 15:15:47,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 15:15:47,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 15:15:47,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 15:15:47,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 15:15:47,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 15:15:47,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 15:15:47,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 15:15:47,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 15:15:47,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 15:15:47,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 15:15:47,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 15:15:47,280 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 15:15:47,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 15:15:47,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 15:15:47,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 15:15:47,309 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 15:15:47,309 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 15:15:47,309 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 15:15:47,310 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 15:15:47,310 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 15:15:47,310 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 15:15:47,310 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 15:15:47,310 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 15:15:47,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 15:15:47,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 15:15:47,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 15:15:47,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 15:15:47,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 15:15:47,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 15:15:47,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 15:15:47,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 15:15:47,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 15:15:47,313 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 15:15:47,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 15:15:47,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 15:15:47,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 15:15:47,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 15:15:47,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 15:15:47,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 15:15:47,314 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 15:15:47,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 15:15:47,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 15:15:47,315 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 15:15:47,315 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 15:15:47,315 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 15:15:47,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 15:15:47,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 15:15:47,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 15:15:47,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 15:15:47,401 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 15:15:47,401 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label56_true-unreach-call.c [2018-07-24 15:15:47,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a9ee6bd/4b7eca90d917497d9ded7ba59eb6fa01/FLAG1bd540f04 [2018-07-24 15:15:48,314 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 15:15:48,317 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label56_true-unreach-call.c [2018-07-24 15:15:48,369 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a9ee6bd/4b7eca90d917497d9ded7ba59eb6fa01/FLAG1bd540f04 [2018-07-24 15:15:48,391 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a9ee6bd/4b7eca90d917497d9ded7ba59eb6fa01 [2018-07-24 15:15:48,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 15:15:48,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 15:15:48,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 15:15:48,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 15:15:48,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 15:15:48,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:15:48" (1/1) ... [2018-07-24 15:15:48,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658546c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:48, skipping insertion in model container [2018-07-24 15:15:48,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:15:48" (1/1) ... [2018-07-24 15:15:48,942 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 15:15:50,528 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:15:50,547 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 15:15:51,913 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 15:15:52,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52 WrapperNode [2018-07-24 15:15:52,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 15:15:52,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 15:15:52,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 15:15:52,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 15:15:52,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:52,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:52,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 15:15:52,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 15:15:52,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 15:15:52,915 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 15:15:54,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (1/1) ... [2018-07-24 15:15:54,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 15:15:54,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 15:15:54,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 15:15:54,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 15:15:54,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (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 15:15:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 15:15:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 15:15:54,745 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 15:15:54,746 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 15:15:54,746 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 15:15:54,746 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 15:15:54,746 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 15:15:54,746 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 15:15:54,747 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 15:15:54,747 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 15:15:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 15:15:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 15:15:54,747 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 15:15:54,748 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 15:15:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 15:15:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 15:15:54,749 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 15:15:54,750 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 15:16:16,469 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 15:16:16,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:16:16 BoogieIcfgContainer [2018-07-24 15:16:16,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 15:16:16,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 15:16:16,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 15:16:16,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 15:16:16,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:15:48" (1/3) ... [2018-07-24 15:16:16,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718e039d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:16:16, skipping insertion in model container [2018-07-24 15:16:16,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:15:52" (2/3) ... [2018-07-24 15:16:16,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718e039d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:16:16, skipping insertion in model container [2018-07-24 15:16:16,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:16:16" (3/3) ... [2018-07-24 15:16:16,479 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label56_true-unreach-call.c [2018-07-24 15:16:16,488 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 15:16:16,499 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 15:16:16,568 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 15:16:16,569 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 15:16:16,569 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 15:16:16,569 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 15:16:16,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 15:16:16,570 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 15:16:16,570 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 15:16:16,570 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 15:16:16,570 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 15:16:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-07-24 15:16:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-24 15:16:16,630 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:16:16,631 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] [2018-07-24 15:16:16,631 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 15:16:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash -228102090, now seen corresponding path program 1 times [2018-07-24 15:16:16,640 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:16:16,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:16,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:16,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:16,688 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:16:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:17,165 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:16:17,225 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 15:16:17,227 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:16:17,228 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 15:16:17,228 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:16:17,234 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-24 15:16:17,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-24 15:16:17,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:16:17,253 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-07-24 15:16:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:16:32,487 INFO L93 Difference]: Finished difference Result 5042 states and 9509 transitions. [2018-07-24 15:16:32,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-24 15:16:32,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-07-24 15:16:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:16:32,553 INFO L225 Difference]: With dead ends: 5042 [2018-07-24 15:16:32,553 INFO L226 Difference]: Without dead ends: 3262 [2018-07-24 15:16:32,566 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-24 15:16:32,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2018-07-24 15:16:32,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3214. [2018-07-24 15:16:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3214 states. [2018-07-24 15:16:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 3214 states and 5986 transitions. [2018-07-24 15:16:32,815 INFO L78 Accepts]: Start accepts. Automaton has 3214 states and 5986 transitions. Word has length 58 [2018-07-24 15:16:32,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:16:32,816 INFO L471 AbstractCegarLoop]: Abstraction has 3214 states and 5986 transitions. [2018-07-24 15:16:32,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-24 15:16:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 5986 transitions. [2018-07-24 15:16:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-24 15:16:32,831 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:16:32,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:32,832 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 15:16:32,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1123689193, now seen corresponding path program 1 times [2018-07-24 15:16:32,833 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:16:32,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:32,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:16:32,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:16:32,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:16:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:16:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:16:33,572 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:16:33,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:16:33,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:16:33,575 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:16:33,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:16:33,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:16:33,576 INFO L87 Difference]: Start difference. First operand 3214 states and 5986 transitions. Second operand 6 states. [2018-07-24 15:17:15,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:17:15,241 INFO L93 Difference]: Finished difference Result 9643 states and 18034 transitions. [2018-07-24 15:17:15,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:17:15,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-07-24 15:17:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:17:15,284 INFO L225 Difference]: With dead ends: 9643 [2018-07-24 15:17:15,285 INFO L226 Difference]: Without dead ends: 6435 [2018-07-24 15:17:15,298 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-24 15:17:15,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6435 states. [2018-07-24 15:17:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6435 to 6344. [2018-07-24 15:17:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6344 states. [2018-07-24 15:17:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 10095 transitions. [2018-07-24 15:17:15,510 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 10095 transitions. Word has length 158 [2018-07-24 15:17:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:17:15,511 INFO L471 AbstractCegarLoop]: Abstraction has 6344 states and 10095 transitions. [2018-07-24 15:17:15,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:17:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 10095 transitions. [2018-07-24 15:17:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-24 15:17:15,517 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:17:15,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:15,518 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 15:17:15,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2070255555, now seen corresponding path program 1 times [2018-07-24 15:17:15,518 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:17:15,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:15,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:17:15,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:15,520 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:17:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:17:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:17:15,773 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:17:15,773 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-24 15:17:15,773 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:17:15,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:17:15,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:17:15,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-24 15:17:15,775 INFO L87 Difference]: Start difference. First operand 6344 states and 10095 transitions. Second operand 5 states. [2018-07-24 15:17:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:17:43,887 INFO L93 Difference]: Finished difference Result 19047 states and 30637 transitions. [2018-07-24 15:17:43,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:17:43,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-07-24 15:17:43,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:17:43,954 INFO L225 Difference]: With dead ends: 19047 [2018-07-24 15:17:43,954 INFO L226 Difference]: Without dead ends: 12709 [2018-07-24 15:17:43,976 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-24 15:17:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12709 states. [2018-07-24 15:17:44,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12709 to 12478. [2018-07-24 15:17:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12478 states. [2018-07-24 15:17:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12478 states to 12478 states and 19009 transitions. [2018-07-24 15:17:44,298 INFO L78 Accepts]: Start accepts. Automaton has 12478 states and 19009 transitions. Word has length 168 [2018-07-24 15:17:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:17:44,298 INFO L471 AbstractCegarLoop]: Abstraction has 12478 states and 19009 transitions. [2018-07-24 15:17:44,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:17:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12478 states and 19009 transitions. [2018-07-24 15:17:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-07-24 15:17:44,308 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:17:44,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:44,308 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 15:17:44,309 INFO L82 PathProgramCache]: Analyzing trace with hash 504376420, now seen corresponding path program 1 times [2018-07-24 15:17:44,309 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:17:44,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:44,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:17:44,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:17:44,311 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:17:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:17:44,644 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:17:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:17:45,056 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:17:45,057 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:17:45,057 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:17:45,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:17:45,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:17:45,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:17:45,058 INFO L87 Difference]: Start difference. First operand 12478 states and 19009 transitions. Second operand 6 states. [2018-07-24 15:18:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:18:12,895 INFO L93 Difference]: Finished difference Result 37522 states and 57806 transitions. [2018-07-24 15:18:12,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:18:12,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2018-07-24 15:18:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:18:13,010 INFO L225 Difference]: With dead ends: 37522 [2018-07-24 15:18:13,011 INFO L226 Difference]: Without dead ends: 25050 [2018-07-24 15:18:13,046 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 15:18:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25050 states. [2018-07-24 15:18:13,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25050 to 24682. [2018-07-24 15:18:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24682 states. [2018-07-24 15:18:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24682 states to 24682 states and 35552 transitions. [2018-07-24 15:18:13,584 INFO L78 Accepts]: Start accepts. Automaton has 24682 states and 35552 transitions. Word has length 223 [2018-07-24 15:18:13,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:18:13,585 INFO L471 AbstractCegarLoop]: Abstraction has 24682 states and 35552 transitions. [2018-07-24 15:18:13,585 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:18:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24682 states and 35552 transitions. [2018-07-24 15:18:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-24 15:18:13,590 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:18:13,590 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 15:18:13,590 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 15:18:13,591 INFO L82 PathProgramCache]: Analyzing trace with hash 605425868, now seen corresponding path program 1 times [2018-07-24 15:18:13,591 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:18:13,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:13,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:13,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:13,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:18:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:18:14,157 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 15:18:14,158 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 15:18:14,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:14,177 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-24 15:18:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:14,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 15:18:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-07-24 15:18:14,892 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-07-24 15:18:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-24 15:18:15,341 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-07-24 15:18:15,341 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-07-24 15:18:15,341 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:18:15,342 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 15:18:15,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 15:18:15,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-07-24 15:18:15,343 INFO L87 Difference]: Start difference. First operand 24682 states and 35552 transitions. Second operand 5 states. [2018-07-24 15:18:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:18:37,842 INFO L93 Difference]: Finished difference Result 68222 states and 103334 transitions. [2018-07-24 15:18:37,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 15:18:37,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2018-07-24 15:18:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:18:38,052 INFO L225 Difference]: With dead ends: 68222 [2018-07-24 15:18:38,052 INFO L226 Difference]: Without dead ends: 43546 [2018-07-24 15:18:38,130 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 491 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-07-24 15:18:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43546 states. [2018-07-24 15:18:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43546 to 42631. [2018-07-24 15:18:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42631 states. [2018-07-24 15:18:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42631 states to 42631 states and 62293 transitions. [2018-07-24 15:18:39,362 INFO L78 Accepts]: Start accepts. Automaton has 42631 states and 62293 transitions. Word has length 248 [2018-07-24 15:18:39,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:18:39,362 INFO L471 AbstractCegarLoop]: Abstraction has 42631 states and 62293 transitions. [2018-07-24 15:18:39,363 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 15:18:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 42631 states and 62293 transitions. [2018-07-24 15:18:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-07-24 15:18:39,368 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:18:39,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:39,369 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 15:18:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1857054142, now seen corresponding path program 1 times [2018-07-24 15:18:39,370 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:18:39,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:39,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:18:39,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:18:39,371 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:18:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:18:39,772 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-24 15:18:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:18:40,267 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:18:40,268 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:18:40,268 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:18:40,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:18:40,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:18:40,270 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:18:40,270 INFO L87 Difference]: Start difference. First operand 42631 states and 62293 transitions. Second operand 6 states. [2018-07-24 15:19:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 15:19:07,233 INFO L93 Difference]: Finished difference Result 107261 states and 159927 transitions. [2018-07-24 15:19:07,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-24 15:19:07,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 275 [2018-07-24 15:19:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 15:19:07,474 INFO L225 Difference]: With dead ends: 107261 [2018-07-24 15:19:07,474 INFO L226 Difference]: Without dead ends: 64636 [2018-07-24 15:19:07,558 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 15:19:07,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64636 states. [2018-07-24 15:19:09,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64636 to 64076. [2018-07-24 15:19:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64076 states. [2018-07-24 15:19:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64076 states to 64076 states and 91575 transitions. [2018-07-24 15:19:09,449 INFO L78 Accepts]: Start accepts. Automaton has 64076 states and 91575 transitions. Word has length 275 [2018-07-24 15:19:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 15:19:09,453 INFO L471 AbstractCegarLoop]: Abstraction has 64076 states and 91575 transitions. [2018-07-24 15:19:09,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 15:19:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 64076 states and 91575 transitions. [2018-07-24 15:19:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-07-24 15:19:09,474 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 15:19:09,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:09,475 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 15:19:09,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1054964056, now seen corresponding path program 1 times [2018-07-24 15:19:09,476 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 15:19:09,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:19:09,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 15:19:09,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 15:19:09,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 15:19:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 15:19:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 15:19:10,232 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 15:19:10,232 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 15:19:10,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 15:19:10,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 15:19:10,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 15:19:10,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-24 15:19:10,233 INFO L87 Difference]: Start difference. First operand 64076 states and 91575 transitions. Second operand 6 states. Received shutdown request... [2018-07-24 15:19:43,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-24 15:19:43,327 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 15:19:43,333 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 15:19:43,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:19:43 BoogieIcfgContainer [2018-07-24 15:19:43,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 15:19:43,335 INFO L168 Benchmark]: Toolchain (without parser) took 234927.86 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -997.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,336 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 15:19:43,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4155.38 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: -109.5 MB). Peak memory consumption was 477.7 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 349.33 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,338 INFO L168 Benchmark]: Boogie Preprocessor took 1754.35 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 884.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -895.2 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,339 INFO L168 Benchmark]: RCFGBuilder took 21800.94 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 242.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 301.5 MB). Peak memory consumption was 996.5 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,340 INFO L168 Benchmark]: TraceAbstraction took 206862.04 ms. Allocated memory was 2.9 GB in the beginning and 3.9 GB in the end (delta: 1.0 GB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -355.4 MB). Peak memory consumption was 646.0 MB. Max. memory is 7.1 GB. [2018-07-24 15:19:43,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4155.38 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: -109.5 MB). Peak memory consumption was 477.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 349.33 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1754.35 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 884.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -895.2 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21800.94 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 242.2 MB). Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 301.5 MB). Peak memory consumption was 996.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206862.04 ms. Allocated memory was 2.9 GB in the beginning and 3.9 GB in the end (delta: 1.0 GB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -355.4 MB). Peak memory consumption was 646.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 169). Cancelled while BasicCegarLoop was constructing difference of abstraction (64076states) and interpolant automaton (currently 10 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (152874 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 206.7s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 196.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3878 SDtfs, 41831 SDslu, 5017 SDs, 0 SdLazy, 67536 SolverSat, 18023 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 173.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 508 SyntacticMatches, 8 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64076occurred 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: 4.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 2213 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1752 NumberOfCodeBlocks, 1752 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1991 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951742 SizeOfPredicates, 1 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 661/831 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_label56_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_15-19-43-370.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label56_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_15-19-43-370.csv Completed graceful shutdown