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/Problem04_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:32:36,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:32:36,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:32:36,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:32:36,187 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:32:36,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:32:36,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:32:36,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:32:36,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:32:36,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:32:36,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:32:36,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:32:36,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:32:36,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:32:36,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:32:36,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:32:36,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:32:36,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:32:36,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:32:36,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:32:36,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:32:36,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:32:36,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 10:32:36,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 10:32:36,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 10:32:36,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 10:32:36,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 10:32:36,236 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 10:32:36,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 10:32:36,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 10:32:36,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 10:32:36,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-10 10:32:36,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-10 10:32:36,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-10 10:32:36,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-10 10:32:36,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-10 10:32:36,246 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 10:32:36,269 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:32:36,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:32:36,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:32:36,271 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:32:36,271 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:32:36,271 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:32:36,271 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:32:36,272 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:32:36,272 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:32:36,272 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:32:36,272 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:32:36,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:32:36,273 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:32:36,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:32:36,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:32:36,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:32:36,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:32:36,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:32:36,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:32:36,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:32:36,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:32:36,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:32:36,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:32:36,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:32:36,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:32:36,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:32:36,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:32:36,276 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:32:36,277 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:32:36,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:32:36,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:32:36,277 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:32:36,277 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:32:36,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:32:36,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:32:36,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:32:36,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:32:36,365 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:32:36,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label03_true-unreach-call.c [2018-09-10 10:32:36,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d452af3/32b202107f06499a9c5f30953c971db4/FLAG8c2f9cbcc [2018-09-10 10:32:37,198 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:32:37,199 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label03_true-unreach-call.c [2018-09-10 10:32:37,233 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d452af3/32b202107f06499a9c5f30953c971db4/FLAG8c2f9cbcc [2018-09-10 10:32:37,249 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d452af3/32b202107f06499a9c5f30953c971db4 [2018-09-10 10:32:37,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:32:37,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:32:37,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:32:37,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:32:37,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:32:37,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:32:37" (1/1) ... [2018-09-10 10:32:37,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd241c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:37, skipping insertion in model container [2018-09-10 10:32:37,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:32:37" (1/1) ... [2018-09-10 10:32:37,595 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:32:38,656 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:32:38,680 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:32:39,539 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:32:39,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39 WrapperNode [2018-09-10 10:32:39,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:32:39,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:32:39,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:32:39,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:32:39,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:39,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:39,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:32:39,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:32:39,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:32:39,836 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:32:40,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (1/1) ... [2018-09-10 10:32:40,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:32:40,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:32:40,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:32:40,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:32:40,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (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 10:32:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:32:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:32:40,503 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 10:32:40,504 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 10:32:40,504 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 [2018-09-10 10:32:40,504 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 [2018-09-10 10:32:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:32:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:32:40,505 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 [2018-09-10 10:32:40,505 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 [2018-09-10 10:32:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:32:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:32:40,505 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 10:32:40,506 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 10:32:52,075 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:32:52,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:32:52 BoogieIcfgContainer [2018-09-10 10:32:52,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:32:52,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:32:52,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:32:52,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:32:52,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:32:37" (1/3) ... [2018-09-10 10:32:52,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd9351a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:32:52, skipping insertion in model container [2018-09-10 10:32:52,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:32:39" (2/3) ... [2018-09-10 10:32:52,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd9351a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:32:52, skipping insertion in model container [2018-09-10 10:32:52,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:32:52" (3/3) ... [2018-09-10 10:32:52,085 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem04_label03_true-unreach-call.c [2018-09-10 10:32:52,095 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:32:52,106 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:32:52,171 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:32:52,172 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:32:52,172 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:32:52,173 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:32:52,173 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:32:52,173 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:32:52,173 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:32:52,173 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:32:52,173 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:32:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2018-09-10 10:32:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2018-09-10 10:32:52,280 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:32:52,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:52,284 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:32:52,291 INFO L82 PathProgramCache]: Analyzing trace with hash -459788804, now seen corresponding path program 1 times [2018-09-10 10:32:52,294 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:32:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:32:52,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:32:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:32:52,350 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:32:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:32:53,814 WARN L175 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 10:32:54,917 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 10:32:54,920 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:32:54,920 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-10 10:32:54,920 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:32:54,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:32:54,944 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:32:54,944 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 10:32:54,946 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2018-09-10 10:33:02,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:33:02,109 INFO L93 Difference]: Finished difference Result 2647 states and 5102 transitions. [2018-09-10 10:33:02,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:33:02,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 798 [2018-09-10 10:33:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:33:02,150 INFO L225 Difference]: With dead ends: 2647 [2018-09-10 10:33:02,150 INFO L226 Difference]: Without dead ends: 1738 [2018-09-10 10:33:02,161 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-10 10:33:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-09-10 10:33:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1738. [2018-09-10 10:33:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1738 states. [2018-09-10 10:33:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 3151 transitions. [2018-09-10 10:33:02,329 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 3151 transitions. Word has length 798 [2018-09-10 10:33:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:33:02,333 INFO L480 AbstractCegarLoop]: Abstraction has 1738 states and 3151 transitions. [2018-09-10 10:33:02,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:33:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3151 transitions. [2018-09-10 10:33:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-09-10 10:33:02,359 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:33:02,360 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:02,360 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:33:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash -482297313, now seen corresponding path program 1 times [2018-09-10 10:33:02,361 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:33:02,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:02,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:02,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:02,363 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:33:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:03,838 WARN L175 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-09-10 10:33:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:33:04,620 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:33:04,620 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 10:33:04,620 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:33:04,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:33:04,624 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:33:04,624 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:33:04,624 INFO L87 Difference]: Start difference. First operand 1738 states and 3151 transitions. Second operand 5 states. [2018-09-10 10:33:17,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:33:17,516 INFO L93 Difference]: Finished difference Result 6810 states and 12604 transitions. [2018-09-10 10:33:17,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-10 10:33:17,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 807 [2018-09-10 10:33:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:33:17,547 INFO L225 Difference]: With dead ends: 6810 [2018-09-10 10:33:17,547 INFO L226 Difference]: Without dead ends: 5078 [2018-09-10 10:33:17,554 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:33:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2018-09-10 10:33:17,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 5078. [2018-09-10 10:33:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5078 states. [2018-09-10 10:33:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 8809 transitions. [2018-09-10 10:33:17,700 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 8809 transitions. Word has length 807 [2018-09-10 10:33:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:33:17,702 INFO L480 AbstractCegarLoop]: Abstraction has 5078 states and 8809 transitions. [2018-09-10 10:33:17,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:33:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 8809 transitions. [2018-09-10 10:33:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2018-09-10 10:33:17,725 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:33:17,726 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:17,727 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:33:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1251034509, now seen corresponding path program 1 times [2018-09-10 10:33:17,728 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:33:17,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:17,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:17,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:17,729 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:33:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:33:18,468 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:33:18,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-10 10:33:18,468 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:33:18,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-10 10:33:18,470 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-10 10:33:18,470 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:33:18,471 INFO L87 Difference]: Start difference. First operand 5078 states and 8809 transitions. Second operand 6 states. [2018-09-10 10:33:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:33:25,872 INFO L93 Difference]: Finished difference Result 12125 states and 21100 transitions. [2018-09-10 10:33:25,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:33:25,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 872 [2018-09-10 10:33:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:33:25,928 INFO L225 Difference]: With dead ends: 12125 [2018-09-10 10:33:25,928 INFO L226 Difference]: Without dead ends: 7053 [2018-09-10 10:33:25,946 INFO L604 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 [2018-09-10 10:33:25,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7053 states. [2018-09-10 10:33:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7053 to 7001. [2018-09-10 10:33:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7001 states. [2018-09-10 10:33:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 10863 transitions. [2018-09-10 10:33:26,161 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 10863 transitions. Word has length 872 [2018-09-10 10:33:26,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:33:26,162 INFO L480 AbstractCegarLoop]: Abstraction has 7001 states and 10863 transitions. [2018-09-10 10:33:26,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-10 10:33:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 10863 transitions. [2018-09-10 10:33:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2018-09-10 10:33:26,198 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:33:26,199 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:26,200 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:33:26,200 INFO L82 PathProgramCache]: Analyzing trace with hash -90516590, now seen corresponding path program 1 times [2018-09-10 10:33:26,200 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:33:26,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:26,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:26,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:26,202 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:33:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:26,713 WARN L175 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-09-10 10:33:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 10:33:27,033 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:33:27,033 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 10:33:27,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:27,045 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:33:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:27,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:33:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-10 10:33:28,305 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:33:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-10 10:33:29,024 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-10 10:33:29,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 11 [2018-09-10 10:33:29,024 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:33:29,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:33:29,026 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:33:29,027 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-09-10 10:33:29,027 INFO L87 Difference]: Start difference. First operand 7001 states and 10863 transitions. Second operand 5 states. [2018-09-10 10:33:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:33:36,525 INFO L93 Difference]: Finished difference Result 21121 states and 34229 transitions. [2018-09-10 10:33:36,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:33:36,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 894 [2018-09-10 10:33:36,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:33:36,609 INFO L225 Difference]: With dead ends: 21121 [2018-09-10 10:33:36,609 INFO L226 Difference]: Without dead ends: 14126 [2018-09-10 10:33:36,631 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1798 GetRequests, 1782 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-09-10 10:33:36,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14126 states. [2018-09-10 10:33:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14126 to 14052. [2018-09-10 10:33:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14052 states. [2018-09-10 10:33:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 21218 transitions. [2018-09-10 10:33:37,065 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 21218 transitions. Word has length 894 [2018-09-10 10:33:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:33:37,065 INFO L480 AbstractCegarLoop]: Abstraction has 14052 states and 21218 transitions. [2018-09-10 10:33:37,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:33:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 21218 transitions. [2018-09-10 10:33:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2018-09-10 10:33:37,122 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:33:37,123 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:37,123 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:33:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2068793203, now seen corresponding path program 1 times [2018-09-10 10:33:37,124 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:33:37,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:37,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:37,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:37,127 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:33:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:37,466 WARN L175 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 10:33:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-09-10 10:33:38,049 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:33:38,049 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 10:33:38,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:38,058 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:33:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:38,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:33:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-10 10:33:39,342 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:33:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-09-10 10:33:40,094 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:33:40,094 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 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:33:40,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:40,110 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:33:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:40,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:33:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-10 10:33:41,677 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:33:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-09-10 10:33:42,342 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:33:42,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 11 [2018-09-10 10:33:42,342 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:33:42,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-10 10:33:42,344 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-10 10:33:42,344 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-10 10:33:42,345 INFO L87 Difference]: Start difference. First operand 14052 states and 21218 transitions. Second operand 8 states. [2018-09-10 10:33:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:33:55,108 INFO L93 Difference]: Finished difference Result 56529 states and 91891 transitions. [2018-09-10 10:33:55,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-10 10:33:55,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 902 [2018-09-10 10:33:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:33:55,295 INFO L225 Difference]: With dead ends: 56529 [2018-09-10 10:33:55,295 INFO L226 Difference]: Without dead ends: 42483 [2018-09-10 10:33:55,371 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3632 GetRequests, 3604 SyntacticMatches, 10 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2018-09-10 10:33:55,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42483 states. [2018-09-10 10:33:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42483 to 42378. [2018-09-10 10:33:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42378 states. [2018-09-10 10:33:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42378 states to 42378 states and 61703 transitions. [2018-09-10 10:33:56,429 INFO L78 Accepts]: Start accepts. Automaton has 42378 states and 61703 transitions. Word has length 902 [2018-09-10 10:33:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:33:56,429 INFO L480 AbstractCegarLoop]: Abstraction has 42378 states and 61703 transitions. [2018-09-10 10:33:56,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-10 10:33:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 42378 states and 61703 transitions. [2018-09-10 10:33:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2018-09-10 10:33:56,568 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:33:56,569 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:56,569 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:33:56,570 INFO L82 PathProgramCache]: Analyzing trace with hash -260871413, now seen corresponding path program 1 times [2018-09-10 10:33:56,570 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:33:56,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:56,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:56,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:33:56,571 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:33:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:57,358 WARN L175 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-10 10:33:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:33:58,975 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:33:58,975 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 10:33:58,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:33:58,983 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:33:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:33:59,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:33:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:33:59,975 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:34:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:00,919 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-10 10:34:00,920 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-09-10 10:34:00,920 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:34:00,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-10 10:34:00,921 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-10 10:34:00,922 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:34:00,922 INFO L87 Difference]: Start difference. First operand 42378 states and 61703 transitions. Second operand 3 states. [2018-09-10 10:34:06,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:34:06,191 INFO L93 Difference]: Finished difference Result 103219 states and 150459 transitions. [2018-09-10 10:34:06,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-10 10:34:06,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 924 [2018-09-10 10:34:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:34:06,437 INFO L225 Difference]: With dead ends: 103219 [2018-09-10 10:34:06,437 INFO L226 Difference]: Without dead ends: 60847 [2018-09-10 10:34:06,532 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1858 GetRequests, 1844 SyntacticMatches, 11 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:34:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60847 states. [2018-09-10 10:34:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60847 to 60822. [2018-09-10 10:34:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60822 states. [2018-09-10 10:34:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60822 states to 60822 states and 82558 transitions. [2018-09-10 10:34:07,626 INFO L78 Accepts]: Start accepts. Automaton has 60822 states and 82558 transitions. Word has length 924 [2018-09-10 10:34:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:34:07,628 INFO L480 AbstractCegarLoop]: Abstraction has 60822 states and 82558 transitions. [2018-09-10 10:34:07,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-10 10:34:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 60822 states and 82558 transitions. [2018-09-10 10:34:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1029 [2018-09-10 10:34:07,734 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:34:07,735 INFO L376 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:07,735 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:34:07,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1663292620, now seen corresponding path program 1 times [2018-09-10 10:34:07,736 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:34:07,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:34:07,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:07,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:34:07,737 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:34:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:09,416 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:34:09,416 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 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 [2018-09-10 10:34:09,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:09,424 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:34:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:09,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:34:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:10,308 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:34:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:11,195 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:34:11,195 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:34:11,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:11,213 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:34:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:12,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:34:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:13,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:34:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:34:13,958 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:34:13,959 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 15 [2018-09-10 10:34:13,959 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:34:13,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:34:13,962 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:34:13,962 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-09-10 10:34:13,962 INFO L87 Difference]: Start difference. First operand 60822 states and 82558 transitions. Second operand 9 states. [2018-09-10 10:34:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:34:32,303 INFO L93 Difference]: Finished difference Result 173940 states and 264420 transitions. [2018-09-10 10:34:32,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-09-10 10:34:32,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1028 [2018-09-10 10:34:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:34:32,829 INFO L225 Difference]: With dead ends: 173940 [2018-09-10 10:34:32,829 INFO L226 Difference]: Without dead ends: 113124 [2018-09-10 10:34:32,987 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4160 GetRequests, 4118 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=352, Invalid=1370, Unknown=0, NotChecked=0, Total=1722 [2018-09-10 10:34:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113124 states. [2018-09-10 10:34:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113124 to 110328. [2018-09-10 10:34:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110328 states. [2018-09-10 10:34:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110328 states to 110328 states and 141729 transitions. [2018-09-10 10:34:35,777 INFO L78 Accepts]: Start accepts. Automaton has 110328 states and 141729 transitions. Word has length 1028 [2018-09-10 10:34:35,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:34:35,777 INFO L480 AbstractCegarLoop]: Abstraction has 110328 states and 141729 transitions. [2018-09-10 10:34:35,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:34:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 110328 states and 141729 transitions. [2018-09-10 10:34:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1320 [2018-09-10 10:34:35,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:34:35,975 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:34:35,975 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:34:35,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1399873249, now seen corresponding path program 1 times [2018-09-10 10:34:35,976 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:34:35,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:34:35,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:35,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:34:35,977 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:34:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 544 proven. 31 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-10 10:34:38,056 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:34:38,056 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:34:38,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:38,063 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:34:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:38,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:34:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2018-09-10 10:34:39,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:34:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 544 proven. 31 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-10 10:34:40,992 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:34:40,993 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 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:34:41,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:34:41,011 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:34:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:34:42,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:34:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2018-09-10 10:34:43,060 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:34:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 544 proven. 31 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-10 10:34:44,023 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:34:44,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 17 [2018-09-10 10:34:44,024 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:34:44,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:34:44,026 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:34:44,026 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-09-10 10:34:44,026 INFO L87 Difference]: Start difference. First operand 110328 states and 141729 transitions. Second operand 9 states. [2018-09-10 10:35:07,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:35:07,663 INFO L93 Difference]: Finished difference Result 355517 states and 468651 transitions. [2018-09-10 10:35:07,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-10 10:35:07,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1319 [2018-09-10 10:35:07,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:35:08,712 INFO L225 Difference]: With dead ends: 355517 [2018-09-10 10:35:08,712 INFO L226 Difference]: Without dead ends: 223726 [2018-09-10 10:35:08,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5318 GetRequests, 5283 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=253, Invalid=1007, Unknown=0, NotChecked=0, Total=1260 [2018-09-10 10:35:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223726 states. [2018-09-10 10:35:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223726 to 218243. [2018-09-10 10:35:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218243 states. [2018-09-10 10:35:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218243 states to 218243 states and 260642 transitions. [2018-09-10 10:35:12,895 INFO L78 Accepts]: Start accepts. Automaton has 218243 states and 260642 transitions. Word has length 1319 [2018-09-10 10:35:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:35:12,895 INFO L480 AbstractCegarLoop]: Abstraction has 218243 states and 260642 transitions. [2018-09-10 10:35:12,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:35:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 218243 states and 260642 transitions. [2018-09-10 10:35:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1927 [2018-09-10 10:35:13,347 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:35:13,349 INFO L376 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:35:13,349 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:35:13,350 INFO L82 PathProgramCache]: Analyzing trace with hash -399474192, now seen corresponding path program 1 times [2018-09-10 10:35:13,350 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:35:13,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:35:13,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:35:13,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:35:13,351 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:35:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:35:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1263 proven. 363 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2018-09-10 10:35:17,473 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:35:17,473 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:35:17,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:35:17,484 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:35:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:35:18,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:35:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1624 proven. 2 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2018-09-10 10:35:19,585 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:35:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1263 proven. 363 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2018-09-10 10:35:21,210 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:35:21,210 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:35:21,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:35:21,226 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:35:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:35:23,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:35:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1624 proven. 2 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2018-09-10 10:35:24,391 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:35:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1263 proven. 363 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2018-09-10 10:35:26,044 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:35:26,046 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-10 10:35:26,046 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:35:26,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:35:26,048 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:35:26,048 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-09-10 10:35:26,049 INFO L87 Difference]: Start difference. First operand 218243 states and 260642 transitions. Second operand 9 states. [2018-09-10 10:35:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:35:39,808 INFO L93 Difference]: Finished difference Result 483370 states and 588090 transitions. [2018-09-10 10:35:39,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-10 10:35:39,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1926 [2018-09-10 10:35:39,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:35:39,809 INFO L225 Difference]: With dead ends: 483370 [2018-09-10 10:35:39,809 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:35:40,323 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7720 GetRequests, 7699 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2018-09-10 10:35:40,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:35:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:35:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:35:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:35:40,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1926 [2018-09-10 10:35:40,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:35:40,327 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:35:40,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:35:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:35:40,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:35:40,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:35:44,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:44,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:45,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:46,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:47,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:48,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:49,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:50,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:51,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:51,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:51,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:51,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:51,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:52,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:53,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:54,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:55,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:55,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:55,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:55,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:56,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:57,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:58,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:58,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:58,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:58,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:59,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:59,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:59,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:59,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:35:59,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,122 WARN L175 SmtUtils]: Spent 15.59 s on a formula simplification. DAG size of input: 1868 DAG size of output: 1266 [2018-09-10 10:36:00,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:00,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:01,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:02,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:03,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:04,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:05,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:06,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:07,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:08,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:09,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:10,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:10,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:10,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:10,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:11,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:12,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:13,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:13,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:13,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:13,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:13,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:14,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:14,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:14,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:14,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:14,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-10 10:36:15,092 WARN L175 SmtUtils]: Spent 14.97 s on a formula simplification. DAG size of input: 1868 DAG size of output: 1266 Received shutdown request... [2018-09-10 10:36:20,677 WARN L183 SmtUtils]: Removed 21 from assertion stack [2018-09-10 10:36:20,677 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-09-10 10:36:20,678 INFO L168 Benchmark]: Toolchain (without parser) took 223416.78 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -435.2 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,679 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 10:36:20,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2424.87 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: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.85 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,682 INFO L168 Benchmark]: Boogie Preprocessor took 585.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 831.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,683 INFO L168 Benchmark]: RCFGBuilder took 11654.51 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 179.3 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -74.4 MB). Peak memory consumption was 721.5 MB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,684 INFO L168 Benchmark]: TraceAbstraction took 208600.22 ms. Allocated memory was 2.5 GB in the beginning and 4.0 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 482.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2018-09-10 10:36:20,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2424.87 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: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 144.85 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 585.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 831.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11654.51 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 179.3 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -74.4 MB). Peak memory consumption was 721.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208600.22 ms. Allocated memory was 2.5 GB in the beginning and 4.0 GB in the end (delta: 1.5 GB). Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 482.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4712]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 779. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem04_label03_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-36-20-701.csv Completed graceful shutdown