java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 13:26:42,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 13:26:42,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 13:26:42,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 13:26:42,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 13:26:42,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 13:26:42,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 13:26:42,605 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 13:26:42,606 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 13:26:42,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 13:26:42,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 13:26:42,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 13:26:42,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 13:26:42,610 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 13:26:42,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 13:26:42,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 13:26:42,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 13:26:42,615 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 13:26:42,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 13:26:42,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 13:26:42,620 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 13:26:42,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 13:26:42,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-07 13:26:42,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-07 13:26:42,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-07 13:26:42,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-07 13:26:42,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-07 13:26:42,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-07 13:26:42,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-07 13:26:42,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-07 13:26:42,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-07 13:26:42,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-07 13:26:42,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-07 13:26:42,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-07 13:26:42,633 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-07 13:26:42,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-07 13:26:42,634 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 [2018-08-07 13:26:42,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 13:26:42,657 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 13:26:42,658 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 13:26:42,658 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 13:26:42,658 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 13:26:42,658 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 13:26:42,659 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 13:26:42,659 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-07 13:26:42,660 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 13:26:42,660 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 13:26:42,660 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-07 13:26:42,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 13:26:42,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 13:26:42,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 13:26:42,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 13:26:42,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 13:26:42,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 13:26:42,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 13:26:42,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 13:26:42,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 13:26:42,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 13:26:42,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 13:26:42,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 13:26:42,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 13:26:42,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 13:26:42,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 13:26:42,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 13:26:42,666 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-08-07 13:26:42,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 13:26:42,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 13:26:42,667 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 13:26:42,667 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 13:26:42,667 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 13:26:42,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 13:26:42,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 13:26:42,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 13:26:42,762 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 13:26:42,763 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 13:26:42,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label49_true-unreach-call.c [2018-08-07 13:26:43,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd0cae64/2131c751d00e4e5588eb05e798d3e6c0/FLAG870497e33 [2018-08-07 13:26:43,783 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 13:26:43,784 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label49_true-unreach-call.c [2018-08-07 13:26:43,833 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd0cae64/2131c751d00e4e5588eb05e798d3e6c0/FLAG870497e33 [2018-08-07 13:26:43,848 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd0cae64/2131c751d00e4e5588eb05e798d3e6c0 [2018-08-07 13:26:43,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 13:26:43,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 13:26:43,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 13:26:43,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 13:26:43,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 13:26:43,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:26:43" (1/1) ... [2018-08-07 13:26:43,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad4346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:43, skipping insertion in model container [2018-08-07 13:26:43,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 01:26:43" (1/1) ... [2018-08-07 13:26:44,366 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 13:26:46,048 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 13:26:46,067 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 13:26:47,147 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 13:26:47,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47 WrapperNode [2018-08-07 13:26:47,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 13:26:47,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 13:26:47,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 13:26:47,880 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 13:26:47,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:48,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:48,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 13:26:48,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 13:26:48,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 13:26:48,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 13:26:49,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:49,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:49,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:49,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:49,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:49,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:50,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (1/1) ... [2018-08-07 13:26:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 13:26:50,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 13:26:50,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 13:26:50,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 13:26:50,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (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 [2018-08-07 13:26:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 13:26:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 13:26:50,195 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 [2018-08-07 13:26:50,195 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 [2018-08-07 13:26:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 13:26:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-07 13:26:50,195 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 [2018-08-07 13:26:50,195 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 [2018-08-07 13:26:50,196 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 [2018-08-07 13:26:50,196 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 [2018-08-07 13:26:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 13:26:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 13:26:50,196 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 [2018-08-07 13:26:50,197 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 [2018-08-07 13:26:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 13:26:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 13:26:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 13:26:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-07 13:27:11,302 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 13:27:11,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:27:11 BoogieIcfgContainer [2018-08-07 13:27:11,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 13:27:11,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-07 13:27:11,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-07 13:27:11,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-07 13:27:11,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 01:26:43" (1/3) ... [2018-08-07 13:27:11,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad26a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:27:11, skipping insertion in model container [2018-08-07 13:27:11,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 01:26:47" (2/3) ... [2018-08-07 13:27:11,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad26a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 01:27:11, skipping insertion in model container [2018-08-07 13:27:11,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 01:27:11" (3/3) ... [2018-08-07 13:27:11,310 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label49_true-unreach-call.c [2018-08-07 13:27:11,320 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-07 13:27:11,333 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-07 13:27:11,403 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-07 13:27:11,404 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-07 13:27:11,404 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-07 13:27:11,404 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-07 13:27:11,404 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-07 13:27:11,405 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-07 13:27:11,405 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-07 13:27:11,405 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-07 13:27:11,405 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-07 13:27:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-08-07 13:27:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-08-07 13:27:11,463 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:27:11,464 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:27:11,466 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:27:11,471 INFO L82 PathProgramCache]: Analyzing trace with hash -815414520, now seen corresponding path program 1 times [2018-08-07 13:27:11,474 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:27:11,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:27:11,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:27:11,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:27:11,523 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:27:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:27:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:27:11,962 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:27:11,962 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-08-07 13:27:11,963 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:27:11,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-07 13:27:11,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-07 13:27:11,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-07 13:27:11,986 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-08-07 13:27:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:27:28,806 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-08-07 13:27:28,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-07 13:27:28,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-08-07 13:27:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:27:28,860 INFO L225 Difference]: With dead ends: 4998 [2018-08-07 13:27:28,860 INFO L226 Difference]: Without dead ends: 3218 [2018-08-07 13:27:28,877 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-07 13:27:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-08-07 13:27:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-08-07 13:27:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-08-07 13:27:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-08-07 13:27:29,098 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 49 [2018-08-07 13:27:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:27:29,099 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-08-07 13:27:29,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-07 13:27:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-08-07 13:27:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-08-07 13:27:29,112 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:27:29,115 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:27:29,115 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:27:29,116 INFO L82 PathProgramCache]: Analyzing trace with hash -554245742, now seen corresponding path program 1 times [2018-08-07 13:27:29,116 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:27:29,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:27:29,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:27:29,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:27:29,118 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:27:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:27:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:27:29,677 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:27:29,678 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 13:27:29,678 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:27:29,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 13:27:29,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 13:27:29,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-08-07 13:27:29,683 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-08-07 13:28:03,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:28:03,461 INFO L93 Difference]: Finished difference Result 9683 states and 17692 transitions. [2018-08-07 13:28:03,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:28:03,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-08-07 13:28:03,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:28:03,511 INFO L225 Difference]: With dead ends: 9683 [2018-08-07 13:28:03,511 INFO L226 Difference]: Without dead ends: 6474 [2018-08-07 13:28:03,524 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:28:03,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2018-08-07 13:28:03,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6371. [2018-08-07 13:28:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-08-07 13:28:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 9959 transitions. [2018-08-07 13:28:03,740 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 9959 transitions. Word has length 121 [2018-08-07 13:28:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:28:03,741 INFO L480 AbstractCegarLoop]: Abstraction has 6371 states and 9959 transitions. [2018-08-07 13:28:03,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 13:28:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 9959 transitions. [2018-08-07 13:28:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-08-07 13:28:03,745 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:28:03,745 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:28:03,745 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:28:03,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1729585757, now seen corresponding path program 1 times [2018-08-07 13:28:03,746 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:28:03,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:03,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:28:03,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:03,747 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:28:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:28:03,988 WARN L170 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-08-07 13:28:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-08-07 13:28:04,050 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-07 13:28:04,052 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-07 13:28:04,053 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:28:04,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-07 13:28:04,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-07 13:28:04,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-08-07 13:28:04,054 INFO L87 Difference]: Start difference. First operand 6371 states and 9959 transitions. Second operand 6 states. [2018-08-07 13:28:30,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:28:30,391 INFO L93 Difference]: Finished difference Result 24568 states and 39562 transitions. [2018-08-07 13:28:30,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:28:30,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-08-07 13:28:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:28:30,478 INFO L225 Difference]: With dead ends: 24568 [2018-08-07 13:28:30,478 INFO L226 Difference]: Without dead ends: 18203 [2018-08-07 13:28:30,508 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-08-07 13:28:30,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18203 states. [2018-08-07 13:28:30,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18203 to 17989. [2018-08-07 13:28:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17989 states. [2018-08-07 13:28:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17989 states to 17989 states and 26526 transitions. [2018-08-07 13:28:30,952 INFO L78 Accepts]: Start accepts. Automaton has 17989 states and 26526 transitions. Word has length 123 [2018-08-07 13:28:30,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:28:30,953 INFO L480 AbstractCegarLoop]: Abstraction has 17989 states and 26526 transitions. [2018-08-07 13:28:30,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-07 13:28:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 17989 states and 26526 transitions. [2018-08-07 13:28:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-08-07 13:28:30,963 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:28:30,963 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-08-07 13:28:30,963 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:28:30,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1070951850, now seen corresponding path program 1 times [2018-08-07 13:28:30,967 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:28:30,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:30,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:28:30,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:30,969 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:28:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:28:31,283 WARN L170 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-08-07 13:28:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:28:31,560 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:28:31,560 INFO L194 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 [2018-08-07 13:28:31,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:28:31,569 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:28:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:28:31,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:28:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-08-07 13:28:31,829 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:28:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-08-07 13:28:32,054 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-08-07 13:28:32,054 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-08-07 13:28:32,054 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:28:32,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-07 13:28:32,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-07 13:28:32,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:28:32,056 INFO L87 Difference]: Start difference. First operand 17989 states and 26526 transitions. Second operand 3 states. [2018-08-07 13:28:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:28:44,478 INFO L93 Difference]: Finished difference Result 41825 states and 63215 transitions. [2018-08-07 13:28:44,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-07 13:28:44,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-08-07 13:28:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:28:44,592 INFO L225 Difference]: With dead ends: 41825 [2018-08-07 13:28:44,593 INFO L226 Difference]: Without dead ends: 23842 [2018-08-07 13:28:44,647 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 387 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:28:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23842 states. [2018-08-07 13:28:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23842 to 23742. [2018-08-07 13:28:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23742 states. [2018-08-07 13:28:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23742 states to 23742 states and 33407 transitions. [2018-08-07 13:28:45,262 INFO L78 Accepts]: Start accepts. Automaton has 23742 states and 33407 transitions. Word has length 194 [2018-08-07 13:28:45,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:28:45,263 INFO L480 AbstractCegarLoop]: Abstraction has 23742 states and 33407 transitions. [2018-08-07 13:28:45,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-07 13:28:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 23742 states and 33407 transitions. [2018-08-07 13:28:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-08-07 13:28:45,271 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:28:45,272 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 13:28:45,272 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:28:45,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1281988490, now seen corresponding path program 1 times [2018-08-07 13:28:45,272 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:28:45,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:45,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:28:45,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:28:45,277 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:28:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:28:45,583 WARN L170 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-08-07 13:28:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 84 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:28:45,961 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:28:45,961 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 13:28:45,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:28:45,979 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:28:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:28:46,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:28:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-08-07 13:28:46,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:28:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 84 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:28:46,962 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-08-07 13:28:46,962 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-08-07 13:28:46,962 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:28:46,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 13:28:46,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 13:28:46,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-08-07 13:28:46,964 INFO L87 Difference]: Start difference. First operand 23742 states and 33407 transitions. Second operand 5 states. [2018-08-07 13:29:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:29:12,573 INFO L93 Difference]: Finished difference Result 62746 states and 91455 transitions. [2018-08-07 13:29:12,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:29:12,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2018-08-07 13:29:12,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:29:12,714 INFO L225 Difference]: With dead ends: 62746 [2018-08-07 13:29:12,714 INFO L226 Difference]: Without dead ends: 39010 [2018-08-07 13:29:12,764 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 449 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-08-07 13:29:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39010 states. [2018-08-07 13:29:13,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39010 to 38541. [2018-08-07 13:29:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38541 states. [2018-08-07 13:29:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38541 states to 38541 states and 53856 transitions. [2018-08-07 13:29:13,515 INFO L78 Accepts]: Start accepts. Automaton has 38541 states and 53856 transitions. Word has length 227 [2018-08-07 13:29:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:29:13,516 INFO L480 AbstractCegarLoop]: Abstraction has 38541 states and 53856 transitions. [2018-08-07 13:29:13,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 13:29:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38541 states and 53856 transitions. [2018-08-07 13:29:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-08-07 13:29:13,535 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:29:13,536 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 13:29:13,536 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:29:13,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1891140848, now seen corresponding path program 1 times [2018-08-07 13:29:13,537 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:29:13,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:13,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:13,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:13,538 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:29:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:29:14,295 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:29:14,295 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 13:29:14,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:14,313 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:29:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:14,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:29:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-08-07 13:29:14,592 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:29:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-08-07 13:29:14,869 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-08-07 13:29:14,870 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-08-07 13:29:14,870 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:29:14,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-07 13:29:14,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-07 13:29:14,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:29:14,871 INFO L87 Difference]: Start difference. First operand 38541 states and 53856 transitions. Second operand 3 states. [2018-08-07 13:29:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:29:27,716 INFO L93 Difference]: Finished difference Result 110146 states and 163640 transitions. [2018-08-07 13:29:27,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-07 13:29:27,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 287 [2018-08-07 13:29:27,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:29:27,964 INFO L225 Difference]: With dead ends: 110146 [2018-08-07 13:29:27,964 INFO L226 Difference]: Without dead ends: 71611 [2018-08-07 13:29:28,057 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:29:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71611 states. [2018-08-07 13:29:29,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71611 to 71459. [2018-08-07 13:29:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71459 states. [2018-08-07 13:29:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71459 states to 71459 states and 104017 transitions. [2018-08-07 13:29:29,303 INFO L78 Accepts]: Start accepts. Automaton has 71459 states and 104017 transitions. Word has length 287 [2018-08-07 13:29:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:29:29,303 INFO L480 AbstractCegarLoop]: Abstraction has 71459 states and 104017 transitions. [2018-08-07 13:29:29,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-07 13:29:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 71459 states and 104017 transitions. [2018-08-07 13:29:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-08-07 13:29:29,326 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:29:29,327 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 13:29:29,327 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:29:29,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1320869042, now seen corresponding path program 1 times [2018-08-07 13:29:29,327 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:29:29,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:29,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:29,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:29,329 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:29:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:29:29,712 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:29:29,712 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 13:29:29,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:29,724 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:29:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:29,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:29:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-08-07 13:29:29,938 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:29:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 84 proven. 109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-08-07 13:29:30,221 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-08-07 13:29:30,221 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 10 [2018-08-07 13:29:30,222 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:29:30,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 13:29:30,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 13:29:30,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-08-07 13:29:30,223 INFO L87 Difference]: Start difference. First operand 71459 states and 104017 transitions. Second operand 5 states. [2018-08-07 13:29:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:29:53,860 INFO L93 Difference]: Finished difference Result 190240 states and 299230 transitions. [2018-08-07 13:29:53,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:29:53,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2018-08-07 13:29:53,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:29:54,215 INFO L225 Difference]: With dead ends: 190240 [2018-08-07 13:29:54,215 INFO L226 Difference]: Without dead ends: 118787 [2018-08-07 13:29:54,323 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 572 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-08-07 13:29:54,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118787 states. [2018-08-07 13:29:56,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118787 to 117290. [2018-08-07 13:29:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117290 states. [2018-08-07 13:29:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117290 states to 117290 states and 174981 transitions. [2018-08-07 13:29:56,611 INFO L78 Accepts]: Start accepts. Automaton has 117290 states and 174981 transitions. Word has length 287 [2018-08-07 13:29:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:29:56,612 INFO L480 AbstractCegarLoop]: Abstraction has 117290 states and 174981 transitions. [2018-08-07 13:29:56,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 13:29:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 117290 states and 174981 transitions. [2018-08-07 13:29:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-08-07 13:29:56,653 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:29:56,653 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-07 13:29:56,653 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:29:56,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1983169474, now seen corresponding path program 1 times [2018-08-07 13:29:56,654 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:29:56,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:56,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:56,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:29:56,655 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:29:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 126 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-08-07 13:29:56,899 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:29:56,900 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 13:29:56,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:29:56,908 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:29:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:29:57,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:29:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-08-07 13:29:57,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:29:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 126 proven. 145 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-08-07 13:29:57,405 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-08-07 13:29:57,406 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-08-07 13:29:57,406 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-07 13:29:57,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-07 13:29:57,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-07 13:29:57,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-08-07 13:29:57,407 INFO L87 Difference]: Start difference. First operand 117290 states and 174981 transitions. Second operand 5 states. [2018-08-07 13:30:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-07 13:30:19,859 INFO L93 Difference]: Finished difference Result 347807 states and 549981 transitions. [2018-08-07 13:30:19,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-07 13:30:19,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 309 [2018-08-07 13:30:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-07 13:30:20,681 INFO L225 Difference]: With dead ends: 347807 [2018-08-07 13:30:20,682 INFO L226 Difference]: Without dead ends: 230523 [2018-08-07 13:30:20,896 INFO L603 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 616 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-08-07 13:30:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230523 states. [2018-08-07 13:30:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230523 to 228793. [2018-08-07 13:30:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228793 states. [2018-08-07 13:30:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228793 states to 228793 states and 331258 transitions. [2018-08-07 13:30:25,312 INFO L78 Accepts]: Start accepts. Automaton has 228793 states and 331258 transitions. Word has length 309 [2018-08-07 13:30:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-07 13:30:25,313 INFO L480 AbstractCegarLoop]: Abstraction has 228793 states and 331258 transitions. [2018-08-07 13:30:25,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-07 13:30:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 228793 states and 331258 transitions. [2018-08-07 13:30:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2018-08-07 13:30:25,343 INFO L368 BasicCegarLoop]: Found error trace [2018-08-07 13:30:25,344 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-07 13:30:25,344 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-07 13:30:25,344 INFO L82 PathProgramCache]: Analyzing trace with hash 2031032379, now seen corresponding path program 1 times [2018-08-07 13:30:25,344 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-08-07 13:30:25,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:30:25,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:30:25,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-08-07 13:30:25,345 INFO L292 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-08-07 13:30:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:30:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 294 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-08-07 13:30:27,324 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:30:27,324 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-08-07 13:30:27,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:30:27,331 INFO L292 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:30:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:30:27,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:30:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-08-07 13:30:27,686 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:30:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 294 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-08-07 13:30:27,986 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-08-07 13:30:27,986 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-08-07 13:30:28,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-08-07 13:30:28,002 INFO L292 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-08-07 13:30:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-08-07 13:30:28,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-08-07 13:30:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-08-07 13:30:28,651 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-08-07 13:30:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 294 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-08-07 13:30:29,880 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-08-07 13:30:29,880 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-08-07 13:30:29,881 INFO L255 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-08-07 13:30:29,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-07 13:30:29,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-07 13:30:29,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-08-07 13:30:29,883 INFO L87 Difference]: Start difference. First operand 228793 states and 331258 transitions. Second operand 9 states. Received shutdown request... [2018-08-07 13:30:34,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-08-07 13:30:34,767 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-07 13:30:34,774 WARN L202 ceAbstractionStarter]: Timeout [2018-08-07 13:30:34,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 01:30:34 BoogieIcfgContainer [2018-08-07 13:30:34,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-07 13:30:34,775 INFO L168 Benchmark]: Toolchain (without parser) took 230913.66 ms. Allocated memory was 1.6 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 700.6 MB in the end (delta: 721.6 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,776 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 13:30:34,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4014.60 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 185.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -105.6 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 321.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,778 INFO L168 Benchmark]: Boogie Preprocessor took 1918.70 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 890.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -890.3 MB). Peak memory consumption was 125.5 MB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,779 INFO L168 Benchmark]: RCFGBuilder took 21181.99 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 227.0 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 282.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,780 INFO L168 Benchmark]: TraceAbstraction took 203470.97 ms. Allocated memory was 2.9 GB in the beginning and 3.2 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 700.6 MB in the end (delta: 1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-08-07 13:30:34,786 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4014.60 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 185.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -105.6 MB). Peak memory consumption was 493.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 321.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1918.70 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 890.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -890.3 MB). Peak memory consumption was 125.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21181.99 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 227.0 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 282.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 203470.97 ms. Allocated memory was 2.9 GB in the beginning and 3.2 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 700.6 MB in the end (delta: 1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 142). Cancelled while BasicCegarLoop was constructing difference of abstraction (228793states) and FLOYD_HOARE automaton (currently 10 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (24611 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 203.3s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 181.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6136 SDtfs, 40489 SDslu, 5267 SDs, 0 SdLazy, 73759 SolverSat, 17002 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 153.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4856 GetRequests, 4773 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228793occurred in iteration=8, 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: 10.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4268 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 4530 NumberOfCodeBlocks, 4530 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6897 ConstructedInterpolants, 0 QuantifiedInterpolants, 6197940 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4016 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 23 InterpolantComputations, 9 PerfectInterpolantSequences, 4636/5772 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_label49_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-07_13-30-34-802.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label49_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-07_13-30-34-802.csv Completed graceful shutdown