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-ToothlessTaipan_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label15_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:19:33,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:19:33,980 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:19:33,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:19:33,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:19:33,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:19:33,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:19:34,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:19:34,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:19:34,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:19:34,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:19:34,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:19:34,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:19:34,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:19:34,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:19:34,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:19:34,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:19:34,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:19:34,029 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:19:34,030 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:19:34,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:19:34,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:19:34,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:19:34,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:19:34,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:19:34,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:19:34,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:19:34,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:19:34,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:19:34,049 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:19:34,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:19:34,055 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:19:34,055 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:19:34,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:19:34,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:19:34,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:19:34,060 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-11 19:19:34,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:19:34,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:19:34,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:19:34,090 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:19:34,090 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:19:34,090 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:19:34,091 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:19:34,091 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 19:19:34,091 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-11 19:19:34,091 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:19:34,091 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:19:34,092 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:19:34,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:19:34,093 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:19:34,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:19:34,093 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:19:34,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:19:34,094 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:19:34,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:19:34,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:19:34,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:19:34,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:19:34,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:19:34,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:19:34,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:19:34,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:19:34,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:19:34,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:19:34,098 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:19:34,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:19:34,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:19:34,099 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:19:34,099 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:19:34,099 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:19:34,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:19:34,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:19:34,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:19:34,196 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:19:34,197 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:19:34,199 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label15_true-unreach-call.c [2018-09-11 19:19:34,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a3ded8f/0166e0f8eb1b4c00b3ab0c8e70b95133/FLAGbba8f5adf [2018-09-11 19:19:35,183 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:19:35,184 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label15_true-unreach-call.c [2018-09-11 19:19:35,229 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a3ded8f/0166e0f8eb1b4c00b3ab0c8e70b95133/FLAGbba8f5adf [2018-09-11 19:19:35,245 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a3ded8f/0166e0f8eb1b4c00b3ab0c8e70b95133 [2018-09-11 19:19:35,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:19:35,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:19:35,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:19:35,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:19:35,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:19:35,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:19:35" (1/1) ... [2018-09-11 19:19:35,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560f8b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:35, skipping insertion in model container [2018-09-11 19:19:35,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:19:35" (1/1) ... [2018-09-11 19:19:35,726 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:19:37,347 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:19:37,369 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:19:38,709 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:19:39,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39 WrapperNode [2018-09-11 19:19:39,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:19:39,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:19:39,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:19:39,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:19:39,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:39,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:39,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:19:39,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:19:39,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:19:39,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:19:40,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:40,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:40,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:40,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:41,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:41,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:41,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (1/1) ... [2018-09-11 19:19:41,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:19:41,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:19:41,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:19:41,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:19:41,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (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 [2018-09-11 19:19:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:19:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:19:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-11 19:19:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output5 [2018-09-11 19:19:41,599 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 [2018-09-11 19:19:41,599 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 [2018-09-11 19:19:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-11 19:19:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output6 [2018-09-11 19:19:41,600 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 [2018-09-11 19:19:41,600 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 [2018-09-11 19:19:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:19:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:19:41,600 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 [2018-09-11 19:19:41,601 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 [2018-09-11 19:19:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:19:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:19:41,601 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 [2018-09-11 19:19:41,601 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 [2018-09-11 19:20:04,055 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:20:04,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:20:04 BoogieIcfgContainer [2018-09-11 19:20:04,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:20:04,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:20:04,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:20:04,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:20:04,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:19:35" (1/3) ... [2018-09-11 19:20:04,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df96b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:20:04, skipping insertion in model container [2018-09-11 19:20:04,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:39" (2/3) ... [2018-09-11 19:20:04,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df96b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:20:04, skipping insertion in model container [2018-09-11 19:20:04,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:20:04" (3/3) ... [2018-09-11 19:20:04,064 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label15_true-unreach-call.c [2018-09-11 19:20:04,075 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:20:04,087 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:20:04,162 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:20:04,163 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:20:04,163 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:20:04,163 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:20:04,163 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:20:04,164 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:20:04,164 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:20:04,164 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:20:04,164 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:20:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-11 19:20:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-11 19:20:04,236 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:20:04,238 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] [2018-09-11 19:20:04,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:20:04,246 INFO L82 PathProgramCache]: Analyzing trace with hash 158404936, now seen corresponding path program 1 times [2018-09-11 19:20:04,249 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:20:04,250 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 66 with the following transitions: [2018-09-11 19:20:04,252 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [5775], [5779], [5785], [5789], [6833], [6834], [6835], [6839] [2018-09-11 19:20:04,285 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:20:04,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:20:04,505 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:20:04,507 INFO L272 AbstractInterpreter]: Visited 64 different actions 64 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-11 19:20:04,535 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:20:04,687 INFO L232 lantSequenceWeakener]: Weakened 62 states. On average, predicates are now at 77.75% of their original sizes. [2018-09-11 19:20:04,687 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:20:04,841 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:20:04,846 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:20:04,846 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-11 19:20:04,847 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:20:04,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-11 19:20:04,870 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-11 19:20:04,874 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-11 19:20:04,880 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 5 states. [2018-09-11 19:20:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:20:33,672 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-11 19:20:33,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-11 19:20:33,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-09-11 19:20:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:20:33,727 INFO L225 Difference]: With dead ends: 4946 [2018-09-11 19:20:33,727 INFO L226 Difference]: Without dead ends: 3166 [2018-09-11 19:20:33,740 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-11 19:20:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-11 19:20:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-11 19:20:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-11 19:20:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-11 19:20:33,939 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 65 [2018-09-11 19:20:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:20:33,940 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-11 19:20:33,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-11 19:20:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-11 19:20:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-09-11 19:20:33,956 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:20:33,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:20:33,958 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:20:33,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1639649816, now seen corresponding path program 1 times [2018-09-11 19:20:33,958 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:20:33,959 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-09-11 19:20:33,959 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2408], [2650], [5775], [5779], [5785], [5789], [5791], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:20:33,967 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:20:33,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:20:36,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:20:36,048 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:20:36,089 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:20:37,027 INFO L232 lantSequenceWeakener]: Weakened 302 states. On average, predicates are now at 75.62% of their original sizes. [2018-09-11 19:20:37,028 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:20:37,318 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:20:37,318 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:20:37,319 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 19:20:37,319 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:20:37,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 19:20:37,321 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 19:20:37,321 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 19:20:37,321 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 9 states. [2018-09-11 19:21:15,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:21:15,437 INFO L93 Difference]: Finished difference Result 7718 states and 13499 transitions. [2018-09-11 19:21:15,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-11 19:21:15,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2018-09-11 19:21:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:21:15,472 INFO L225 Difference]: With dead ends: 7718 [2018-09-11 19:21:15,472 INFO L226 Difference]: Without dead ends: 5950 [2018-09-11 19:21:15,480 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 310 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-09-11 19:21:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5950 states. [2018-09-11 19:21:15,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 5945. [2018-09-11 19:21:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5945 states. [2018-09-11 19:21:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7497 transitions. [2018-09-11 19:21:15,628 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7497 transitions. Word has length 305 [2018-09-11 19:21:15,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:21:15,629 INFO L480 AbstractCegarLoop]: Abstraction has 5945 states and 7497 transitions. [2018-09-11 19:21:15,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 19:21:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7497 transitions. [2018-09-11 19:21:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2018-09-11 19:21:15,650 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:21:15,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:21:15,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:21:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash 725569228, now seen corresponding path program 1 times [2018-09-11 19:21:15,653 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:21:15,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 562 with the following transitions: [2018-09-11 19:21:15,656 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:21:15,671 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:21:15,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:21:18,383 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:21:18,383 INFO L272 AbstractInterpreter]: Visited 503 different actions 1000 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:21:18,421 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:21:19,440 INFO L232 lantSequenceWeakener]: Weakened 558 states. On average, predicates are now at 75.37% of their original sizes. [2018-09-11 19:21:19,440 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:21:19,627 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:21:19,628 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:21:19,628 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:21:19,628 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:21:19,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:21:19,630 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:21:19,630 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:21:19,630 INFO L87 Difference]: Start difference. First operand 5945 states and 7497 transitions. Second operand 13 states. [2018-09-11 19:22:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:22:00,784 INFO L93 Difference]: Finished difference Result 9113 states and 13551 transitions. [2018-09-11 19:22:00,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:22:00,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 561 [2018-09-11 19:22:00,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:22:00,824 INFO L225 Difference]: With dead ends: 9113 [2018-09-11 19:22:00,824 INFO L226 Difference]: Without dead ends: 7345 [2018-09-11 19:22:00,832 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 571 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:22:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2018-09-11 19:22:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 7342. [2018-09-11 19:22:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-09-11 19:22:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 8927 transitions. [2018-09-11 19:22:00,995 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 8927 transitions. Word has length 561 [2018-09-11 19:22:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:22:00,997 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 8927 transitions. [2018-09-11 19:22:00,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:22:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 8927 transitions. [2018-09-11 19:22:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2018-09-11 19:22:01,016 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:22:01,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:22:01,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:22:01,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2050404756, now seen corresponding path program 1 times [2018-09-11 19:22:01,019 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:22:01,020 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 575 with the following transitions: [2018-09-11 19:22:01,021 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6744], [6748], [6752], [6756], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6802], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:22:01,027 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:22:01,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:22:02,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:22:02,589 INFO L272 AbstractInterpreter]: Visited 516 different actions 1026 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:22:02,593 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:22:03,637 INFO L232 lantSequenceWeakener]: Weakened 571 states. On average, predicates are now at 75.33% of their original sizes. [2018-09-11 19:22:03,638 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:22:03,820 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:22:03,820 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:22:03,820 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:22:03,821 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:22:03,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:22:03,822 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:22:03,822 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:22:03,822 INFO L87 Difference]: Start difference. First operand 7342 states and 8927 transitions. Second operand 13 states. [2018-09-11 19:22:35,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:22:35,312 INFO L93 Difference]: Finished difference Result 10508 states and 14976 transitions. [2018-09-11 19:22:35,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:22:35,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 574 [2018-09-11 19:22:35,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:22:35,346 INFO L225 Difference]: With dead ends: 10508 [2018-09-11 19:22:35,346 INFO L226 Difference]: Without dead ends: 8740 [2018-09-11 19:22:35,353 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 584 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:22:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8740 states. [2018-09-11 19:22:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8740 to 8737. [2018-09-11 19:22:35,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8737 states. [2018-09-11 19:22:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10340 transitions. [2018-09-11 19:22:35,506 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10340 transitions. Word has length 574 [2018-09-11 19:22:35,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:22:35,508 INFO L480 AbstractCegarLoop]: Abstraction has 8737 states and 10340 transitions. [2018-09-11 19:22:35,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:22:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10340 transitions. [2018-09-11 19:22:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2018-09-11 19:22:35,527 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:22:35,528 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:22:35,529 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:22:35,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1846712530, now seen corresponding path program 1 times [2018-09-11 19:22:35,529 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:22:35,531 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 671 with the following transitions: [2018-09-11 19:22:35,532 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1765], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:22:35,536 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:22:35,536 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:22:37,276 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:22:37,276 INFO L272 AbstractInterpreter]: Visited 504 different actions 1505 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-11 19:22:37,314 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:22:38,159 INFO L232 lantSequenceWeakener]: Weakened 667 states. On average, predicates are now at 75.34% of their original sizes. [2018-09-11 19:22:38,159 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:22:38,320 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:22:38,321 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:22:38,321 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:22:38,321 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:22:38,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:22:38,322 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:22:38,322 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:22:38,323 INFO L87 Difference]: Start difference. First operand 8737 states and 10340 transitions. Second operand 13 states. [2018-09-11 19:23:27,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:23:27,565 INFO L93 Difference]: Finished difference Result 11923 states and 16425 transitions. [2018-09-11 19:23:27,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:23:27,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 670 [2018-09-11 19:23:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:23:27,593 INFO L225 Difference]: With dead ends: 11923 [2018-09-11 19:23:27,594 INFO L226 Difference]: Without dead ends: 10155 [2018-09-11 19:23:27,601 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 680 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:23:27,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10155 states. [2018-09-11 19:23:27,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10155 to 10147. [2018-09-11 19:23:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10147 states. [2018-09-11 19:23:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10147 states to 10147 states and 11828 transitions. [2018-09-11 19:23:27,768 INFO L78 Accepts]: Start accepts. Automaton has 10147 states and 11828 transitions. Word has length 670 [2018-09-11 19:23:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:23:27,770 INFO L480 AbstractCegarLoop]: Abstraction has 10147 states and 11828 transitions. [2018-09-11 19:23:27,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:23:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 10147 states and 11828 transitions. [2018-09-11 19:23:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2018-09-11 19:23:27,788 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:23:27,789 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:23:27,789 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:23:27,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1100720377, now seen corresponding path program 1 times [2018-09-11 19:23:27,790 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:23:27,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 779 with the following transitions: [2018-09-11 19:23:27,792 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1386], [1394], [1402], [1410], [1418], [1426], [1434], [1442], [1450], [1458], [1466], [1474], [1482], [1490], [1494], [1496], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2280], [2285], [2287], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:23:27,797 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:23:27,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:23:29,548 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:23:29,548 INFO L272 AbstractInterpreter]: Visited 506 different actions 1509 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-11 19:23:29,552 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:23:30,865 INFO L232 lantSequenceWeakener]: Weakened 775 states. On average, predicates are now at 75.32% of their original sizes. [2018-09-11 19:23:30,865 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:23:31,058 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:23:31,059 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:23:31,059 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-11 19:23:31,059 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:23:31,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-11 19:23:31,060 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-11 19:23:31,060 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-09-11 19:23:31,061 INFO L87 Difference]: Start difference. First operand 10147 states and 11828 transitions. Second operand 15 states. Received shutdown request... [2018-09-11 19:23:36,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-11 19:23:36,713 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-11 19:23:36,719 WARN L206 ceAbstractionStarter]: Timeout [2018-09-11 19:23:36,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:23:36 BoogieIcfgContainer [2018-09-11 19:23:36,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:23:36,720 INFO L168 Benchmark]: Toolchain (without parser) took 241462.87 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,722 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:23:36,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4055.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 185.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -110.7 MB). Peak memory consumption was 488.1 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 349.82 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,725 INFO L168 Benchmark]: Boogie Preprocessor took 1862.96 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 882.4 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -888.2 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,726 INFO L168 Benchmark]: RCFGBuilder took 22524.20 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 224.4 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 304.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,727 INFO L168 Benchmark]: TraceAbstraction took 212663.46 ms. Allocated memory was 2.8 GB in the beginning and 4.0 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -514.1 MB). Peak memory consumption was 613.7 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:36,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4055.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 185.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -110.7 MB). Peak memory consumption was 488.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 349.82 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1862.96 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 882.4 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -888.2 MB). Peak memory consumption was 125.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 22524.20 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 224.4 MB). Free memory was 2.4 GB in the beginning and 2.1 GB in the end (delta: 304.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 212663.46 ms. Allocated memory was 2.8 GB in the beginning and 4.0 GB in the end (delta: 1.1 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -514.1 MB). Peak memory consumption was 613.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 190]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 190). Cancelled while BasicCegarLoop was constructing difference of abstraction (10147states) and FLOYD_HOARE automaton (currently 19 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (1349 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 212.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 194.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9707 SDtfs, 17192 SDslu, 7369 SDs, 0 SdLazy, 116641 SolverSat, 8223 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 171.0s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2997 GetRequests, 2891 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10147occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.3s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9987906528735825 AbsIntWeakeningRatio, 0.05089921954530031 AbsIntAvgWeakeningVarsNumRemoved, 0.5873769935527655 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label15_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-23-36-748.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label15_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-23-36-748.csv Completed graceful shutdown