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/Problem17_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 12:32:03,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 12:32:03,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 12:32:03,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 12:32:03,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 12:32:03,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 12:32:03,092 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 12:32:03,094 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 12:32:03,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 12:32:03,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 12:32:03,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 12:32:03,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 12:32:03,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 12:32:03,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 12:32:03,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 12:32:03,110 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 12:32:03,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 12:32:03,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 12:32:03,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 12:32:03,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 12:32:03,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 12:32:03,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 12:32:03,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 12:32:03,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 12:32:03,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 12:32:03,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 12:32:03,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 12:32:03,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 12:32:03,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 12:32:03,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 12:32:03,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 12:32:03,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 12:32:03,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 12:32:03,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 12:32:03,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 12:32:03,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 12:32:03,151 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 [2018-09-10 12:32:03,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 12:32:03,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 12:32:03,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 12:32:03,174 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 12:32:03,174 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 12:32:03,174 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 12:32:03,175 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 12:32:03,175 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 12:32:03,175 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 12:32:03,175 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 12:32:03,175 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 12:32:03,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 12:32:03,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 12:32:03,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 12:32:03,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 12:32:03,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 12:32:03,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 12:32:03,179 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 12:32:03,179 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 12:32:03,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 12:32:03,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 12:32:03,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 12:32:03,180 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 12:32:03,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 12:32:03,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 12:32:03,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 12:32:03,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 12:32:03,181 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 12:32:03,182 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 12:32:03,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 12:32:03,182 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 12:32:03,182 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 12:32:03,182 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 12:32:03,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 12:32:03,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 12:32:03,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 12:32:03,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 12:32:03,269 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 12:32:03,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-09-10 12:32:03,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9346b132b/4637b3a9a325490984af52d575a53795/FLAG8a5196fbb [2018-09-10 12:32:04,123 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 12:32:04,124 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-09-10 12:32:04,160 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9346b132b/4637b3a9a325490984af52d575a53795/FLAG8a5196fbb [2018-09-10 12:32:04,178 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9346b132b/4637b3a9a325490984af52d575a53795 [2018-09-10 12:32:04,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 12:32:04,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 12:32:04,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 12:32:04,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 12:32:04,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 12:32:04,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:32:04" (1/1) ... [2018-09-10 12:32:04,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a64aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:04, skipping insertion in model container [2018-09-10 12:32:04,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 12:32:04" (1/1) ... [2018-09-10 12:32:04,530 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 12:32:05,367 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:32:05,391 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 12:32:05,861 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 12:32:06,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06 WrapperNode [2018-09-10 12:32:06,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 12:32:06,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 12:32:06,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 12:32:06,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 12:32:06,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:06,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:06,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 12:32:06,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 12:32:06,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 12:32:06,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 12:32:06,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:06,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (1/1) ... [2018-09-10 12:32:07,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 12:32:07,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 12:32:07,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 12:32:07,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 12:32:07,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (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 [2018-09-10 12:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 12:32:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 12:32:07,367 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 [2018-09-10 12:32:07,367 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 [2018-09-10 12:32:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 12:32:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 12:32:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 12:32:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 12:32:07,368 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 [2018-09-10 12:32:07,368 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 [2018-09-10 12:32:21,519 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 12:32:21,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:32:21 BoogieIcfgContainer [2018-09-10 12:32:21,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 12:32:21,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 12:32:21,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 12:32:21,527 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 12:32:21,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 12:32:04" (1/3) ... [2018-09-10 12:32:21,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348b4c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:32:21, skipping insertion in model container [2018-09-10 12:32:21,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 12:32:06" (2/3) ... [2018-09-10 12:32:21,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348b4c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 12:32:21, skipping insertion in model container [2018-09-10 12:32:21,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 12:32:21" (3/3) ... [2018-09-10 12:32:21,531 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label48_true-unreach-call.c [2018-09-10 12:32:21,541 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 12:32:21,550 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 12:32:21,610 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 12:32:21,611 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 12:32:21,612 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 12:32:21,612 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 12:32:21,612 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 12:32:21,612 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 12:32:21,612 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 12:32:21,612 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 12:32:21,613 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 12:32:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-09-10 12:32:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-10 12:32:21,664 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:32:21,666 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, 1] [2018-09-10 12:32:21,668 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]=== [2018-09-10 12:32:21,675 INFO L82 PathProgramCache]: Analyzing trace with hash -904744492, now seen corresponding path program 1 times [2018-09-10 12:32:21,678 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:32:21,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:21,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:21,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:21,735 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:32:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:22,226 WARN L175 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-09-10 12:32:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:22,244 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:32:22,244 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-10 12:32:22,245 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:32:22,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-10 12:32:22,268 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-10 12:32:22,269 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:32:22,271 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-09-10 12:32:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:32:36,461 INFO L93 Difference]: Finished difference Result 2142 states and 3971 transitions. [2018-09-10 12:32:36,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-10 12:32:36,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-09-10 12:32:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:32:36,493 INFO L225 Difference]: With dead ends: 2142 [2018-09-10 12:32:36,493 INFO L226 Difference]: Without dead ends: 1532 [2018-09-10 12:32:36,504 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-10 12:32:36,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2018-09-10 12:32:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1519. [2018-09-10 12:32:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2018-09-10 12:32:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2456 transitions. [2018-09-10 12:32:36,655 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2456 transitions. Word has length 50 [2018-09-10 12:32:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:32:36,656 INFO L480 AbstractCegarLoop]: Abstraction has 1519 states and 2456 transitions. [2018-09-10 12:32:36,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-10 12:32:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2456 transitions. [2018-09-10 12:32:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-10 12:32:36,666 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:32:36,666 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, 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] [2018-09-10 12:32:36,666 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]=== [2018-09-10 12:32:36,667 INFO L82 PathProgramCache]: Analyzing trace with hash 826215810, now seen corresponding path program 1 times [2018-09-10 12:32:36,667 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:32:36,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:36,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:36,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:36,671 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:32:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:36,931 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 12:32:36,931 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 12:32:36,931 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:32:36,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 12:32:36,933 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 12:32:36,934 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 12:32:36,934 INFO L87 Difference]: Start difference. First operand 1519 states and 2456 transitions. Second operand 5 states. [2018-09-10 12:32:46,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:32:46,978 INFO L93 Difference]: Finished difference Result 4424 states and 7338 transitions. [2018-09-10 12:32:46,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 12:32:46,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-09-10 12:32:46,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:32:47,007 INFO L225 Difference]: With dead ends: 4424 [2018-09-10 12:32:47,007 INFO L226 Difference]: Without dead ends: 2911 [2018-09-10 12:32:47,014 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:32:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-09-10 12:32:47,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2875. [2018-09-10 12:32:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2875 states. [2018-09-10 12:32:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4373 transitions. [2018-09-10 12:32:47,123 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4373 transitions. Word has length 122 [2018-09-10 12:32:47,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:32:47,125 INFO L480 AbstractCegarLoop]: Abstraction has 2875 states and 4373 transitions. [2018-09-10 12:32:47,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 12:32:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4373 transitions. [2018-09-10 12:32:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-10 12:32:47,140 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:32:47,140 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, 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] [2018-09-10 12:32:47,141 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]=== [2018-09-10 12:32:47,141 INFO L82 PathProgramCache]: Analyzing trace with hash 417496805, now seen corresponding path program 1 times [2018-09-10 12:32:47,141 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:32:47,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:47,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:47,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:32:47,144 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:32:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:47,684 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:32:47,684 INFO L197 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 [2018-09-10 12:32:47,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:32:47,702 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:32:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:32:47,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:32:52,380 WARN L175 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 42 [2018-09-10 12:32:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:52,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:32:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:32:53,450 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:32:53,450 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-09-10 12:32:53,450 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:32:53,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 12:32:53,451 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 12:32:53,451 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:32:53,452 INFO L87 Difference]: Start difference. First operand 2875 states and 4373 transitions. Second operand 6 states. [2018-09-10 12:33:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:33:57,772 INFO L93 Difference]: Finished difference Result 11099 states and 17586 transitions. [2018-09-10 12:33:57,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-10 12:33:57,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-09-10 12:33:57,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:33:57,838 INFO L225 Difference]: With dead ends: 11099 [2018-09-10 12:33:57,839 INFO L226 Difference]: Without dead ends: 8230 [2018-09-10 12:33:57,861 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-09-10 12:33:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8230 states. [2018-09-10 12:33:58,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8230 to 8222. [2018-09-10 12:33:58,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8222 states. [2018-09-10 12:33:58,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8222 states to 8222 states and 12821 transitions. [2018-09-10 12:33:58,113 INFO L78 Accepts]: Start accepts. Automaton has 8222 states and 12821 transitions. Word has length 125 [2018-09-10 12:33:58,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:33:58,114 INFO L480 AbstractCegarLoop]: Abstraction has 8222 states and 12821 transitions. [2018-09-10 12:33:58,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 12:33:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 8222 states and 12821 transitions. [2018-09-10 12:33:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-10 12:33:58,118 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:33:58,118 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, 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] [2018-09-10 12:33:58,119 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]=== [2018-09-10 12:33:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash -43414302, now seen corresponding path program 1 times [2018-09-10 12:33:58,119 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:33:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:33:58,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:33:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:33:58,121 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:33:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:33:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:58,419 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:33:58,419 INFO L197 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 [2018-09-10 12:33:58,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:33:58,428 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:33:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:33:58,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:33:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:58,525 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:33:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:33:58,657 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 12:33:58,657 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-09-10 12:33:58,658 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:33:58,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:33:58,659 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:33:58,659 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:33:58,659 INFO L87 Difference]: Start difference. First operand 8222 states and 12821 transitions. Second operand 3 states. [2018-09-10 12:34:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:34:05,151 INFO L93 Difference]: Finished difference Result 19511 states and 30714 transitions. [2018-09-10 12:34:05,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:34:05,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-09-10 12:34:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:34:05,227 INFO L225 Difference]: With dead ends: 19511 [2018-09-10 12:34:05,227 INFO L226 Difference]: Without dead ends: 11295 [2018-09-10 12:34:05,271 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 275 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-10 12:34:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11295 states. [2018-09-10 12:34:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11295 to 11294. [2018-09-10 12:34:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11294 states. [2018-09-10 12:34:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11294 states to 11294 states and 16875 transitions. [2018-09-10 12:34:05,582 INFO L78 Accepts]: Start accepts. Automaton has 11294 states and 16875 transitions. Word has length 138 [2018-09-10 12:34:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:34:05,583 INFO L480 AbstractCegarLoop]: Abstraction has 11294 states and 16875 transitions. [2018-09-10 12:34:05,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:34:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 11294 states and 16875 transitions. [2018-09-10 12:34:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-09-10 12:34:05,601 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:34:05,601 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, 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, 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] [2018-09-10 12:34:05,602 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]=== [2018-09-10 12:34:05,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1172455808, now seen corresponding path program 1 times [2018-09-10 12:34:05,602 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:34:05,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:34:05,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:34:05,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:34:05,603 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:34:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:34:06,004 WARN L175 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 12:34:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 135 proven. 147 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-10 12:34:06,489 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:34:06,489 INFO L197 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 [2018-09-10 12:34:06,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:34:06,504 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:34:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:34:06,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:34:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-09-10 12:34:06,822 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:34:07,103 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-09-10 12:34:07,141 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 12:34:07,141 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-09-10 12:34:07,141 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 12:34:07,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 12:34:07,142 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 12:34:07,144 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:34:07,144 INFO L87 Difference]: Start difference. First operand 11294 states and 16875 transitions. Second operand 3 states. [2018-09-10 12:34:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 12:34:13,675 INFO L93 Difference]: Finished difference Result 28256 states and 42421 transitions. [2018-09-10 12:34:13,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 12:34:13,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2018-09-10 12:34:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 12:34:13,762 INFO L225 Difference]: With dead ends: 28256 [2018-09-10 12:34:13,762 INFO L226 Difference]: Without dead ends: 16968 [2018-09-10 12:34:13,957 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 605 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-10 12:34:13,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16968 states. [2018-09-10 12:34:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16968 to 16962. [2018-09-10 12:34:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16962 states. [2018-09-10 12:34:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16962 states to 16962 states and 24475 transitions. [2018-09-10 12:34:14,400 INFO L78 Accepts]: Start accepts. Automaton has 16962 states and 24475 transitions. Word has length 302 [2018-09-10 12:34:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 12:34:14,400 INFO L480 AbstractCegarLoop]: Abstraction has 16962 states and 24475 transitions. [2018-09-10 12:34:14,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 12:34:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 16962 states and 24475 transitions. [2018-09-10 12:34:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-09-10 12:34:14,421 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 12:34:14,421 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 12:34:14,422 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]=== [2018-09-10 12:34:14,422 INFO L82 PathProgramCache]: Analyzing trace with hash -799216509, now seen corresponding path program 1 times [2018-09-10 12:34:14,423 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 12:34:14,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:34:14,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:34:14,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 12:34:14,425 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 12:34:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:34:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-10 12:34:15,457 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:34:15,458 INFO L197 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 [2018-09-10 12:34:15,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:34:15,479 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:34:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:34:15,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:34:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-09-10 12:34:16,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:34:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:34:16,970 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 12:34:16,970 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 12:34:16,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 12:34:16,987 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 12:34:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 12:34:17,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 12:34:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-09-10 12:34:17,452 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 12:34:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 12:34:18,538 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 12:34:18,539 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8, 7, 8] total 15 [2018-09-10 12:34:18,539 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 12:34:18,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-10 12:34:18,541 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-10 12:34:18,541 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-09-10 12:34:18,541 INFO L87 Difference]: Start difference. First operand 16962 states and 24475 transitions. Second operand 10 states. Received shutdown request... [2018-09-10 12:36:23,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-10 12:36:23,509 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-10 12:36:23,516 WARN L206 ceAbstractionStarter]: Timeout [2018-09-10 12:36:23,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 12:36:23 BoogieIcfgContainer [2018-09-10 12:36:23,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 12:36:23,517 INFO L168 Benchmark]: Toolchain (without parser) took 259323.20 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -936.5 MB). Peak memory consumption was 530.4 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,518 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-10 12:36:23,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1907.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 300.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,520 INFO L168 Benchmark]: Boogie Preprocessor took 880.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 946.9 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,521 INFO L168 Benchmark]: RCFGBuilder took 14232.56 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 500.4 MB). Peak memory consumption was 500.4 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,522 INFO L168 Benchmark]: TraceAbstraction took 241994.47 ms. Allocated memory was 2.5 GB in the beginning and 3.0 GB in the end (delta: 520.1 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -498.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2018-09-10 12:36:23,526 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1907.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 300.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 880.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 946.9 MB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14232.56 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 500.4 MB). Peak memory consumption was 500.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241994.47 ms. Allocated memory was 2.5 GB in the beginning and 3.0 GB in the end (delta: 520.1 MB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -498.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 137]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 137). Cancelled while BasicCegarLoop was constructing difference of abstraction (16962states) and FLOYD_HOARE automaton (currently 19 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (24946 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 241.9s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 227.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2532 SDtfs, 11228 SDslu, 1649 SDs, 0 SdLazy, 19621 SolverSat, 5081 SolverUnsat, 67 SolverUnknown, 0 SolverNotchecked, 217.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2406 GetRequests, 2335 SyntacticMatches, 16 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16962occurred in iteration=5, 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: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 64 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 2214 NumberOfCodeBlocks, 2214 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3371 ConstructedInterpolants, 266 QuantifiedInterpolants, 4492843 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2098 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1745/2233 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/Problem17_label48_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_12-36-23-542.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label48_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_12-36-23-542.csv Completed graceful shutdown