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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:37:47,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:37:47,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:37:47,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:37:47,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:37:47,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:37:47,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:37:47,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:37:47,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:37:47,159 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:37:47,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:37:47,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:37:47,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:37:47,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:37:47,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:37:47,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:37:47,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:37:47,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:37:47,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:37:47,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:37:47,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:37:47,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:37:47,184 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 14:37:47,184 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 14:37:47,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 14:37:47,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 14:37:47,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 14:37:47,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 14:37:47,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 14:37:47,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 14:37:47,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 14:37:47,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 14:37:47,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:37:47,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:37:47,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:37:47,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:37:47,194 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 14:37:47,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:37:47,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:37:47,218 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:37:47,219 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:37:47,219 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:37:47,219 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:37:47,219 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:37:47,219 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:37:47,220 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:37:47,220 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:37:47,220 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:37:47,220 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:37:47,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:37:47,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:37:47,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:37:47,222 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:37:47,222 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:37:47,222 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:37:47,222 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:37:47,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:37:47,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:37:47,223 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:37:47,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:37:47,223 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:37:47,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:37:47,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:37:47,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:37:47,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:37:47,224 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:37:47,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:37:47,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:37:47,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:37:47,225 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:37:47,225 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:37:47,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:37:47,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:37:47,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:37:47,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:37:47,289 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:37:47,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label21_true-unreach-call.c [2018-08-08 14:37:47,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6ad4c38/d01e076f28714fa98b450fc202534f77/FLAGace2f9a1e [2018-08-08 14:37:48,084 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:37:48,086 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label21_true-unreach-call.c [2018-08-08 14:37:48,121 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6ad4c38/d01e076f28714fa98b450fc202534f77/FLAGace2f9a1e [2018-08-08 14:37:48,139 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6ad4c38/d01e076f28714fa98b450fc202534f77 [2018-08-08 14:37:48,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:37:48,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:37:48,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:37:48,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:37:48,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:37:48,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:37:48" (1/1) ... [2018-08-08 14:37:48,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae0046d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:48, skipping insertion in model container [2018-08-08 14:37:48,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:37:48" (1/1) ... [2018-08-08 14:37:48,510 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:37:49,330 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:37:49,348 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:37:49,766 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:37:50,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50 WrapperNode [2018-08-08 14:37:50,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:37:50,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:37:50,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:37:50,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:37:50,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:50,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:50,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:37:50,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:37:50,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:37:50,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:37:50,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:50,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:50,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:50,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:51,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:51,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:51,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... [2018-08-08 14:37:51,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:37:51,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:37:51,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:37:51,240 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:37:51,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:37:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:37:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:37:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:37:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:37:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:37:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:37:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:37:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:37:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 14:37:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-08-08 14:38:01,985 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:38:01,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:38:01 BoogieIcfgContainer [2018-08-08 14:38:01,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:38:01,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:38:01,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:38:01,991 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:38:01,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:37:48" (1/3) ... [2018-08-08 14:38:01,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cda7cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:38:01, skipping insertion in model container [2018-08-08 14:38:01,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:50" (2/3) ... [2018-08-08 14:38:01,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cda7cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:38:01, skipping insertion in model container [2018-08-08 14:38:01,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:38:01" (3/3) ... [2018-08-08 14:38:01,995 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label21_true-unreach-call.c [2018-08-08 14:38:02,005 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:38:02,015 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:38:02,079 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:38:02,079 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:38:02,080 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:38:02,080 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:38:02,080 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:38:02,080 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:38:02,080 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:38:02,081 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:38:02,081 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:38:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-08-08 14:38:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-08-08 14:38:02,147 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:38:02,149 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] [2018-08-08 14:38:02,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:38:02,156 INFO L82 PathProgramCache]: Analyzing trace with hash 810589972, now seen corresponding path program 1 times [2018-08-08 14:38:02,159 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:38:02,160 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 67 with the following transitions: [2018-08-08 14:38:02,163 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [1574], [1578], [1584], [1588], [2306], [2307], [2308], [2310] [2018-08-08 14:38:02,252 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:38:02,252 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:38:05,669 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:38:05,670 INFO L272 AbstractInterpreter]: Visited 65 different actions 65 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-08-08 14:38:05,700 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:38:06,977 INFO L232 lantSequenceWeakener]: Weakened 64 states. On average, predicates are now at 78.07% of their original sizes. [2018-08-08 14:38:06,977 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:38:07,311 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:38:07,313 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:38:07,313 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:38:07,313 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:38:07,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:38:07,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:38:07,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:38:07,331 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2018-08-08 14:38:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:38:22,138 INFO L93 Difference]: Finished difference Result 1642 states and 3016 transitions. [2018-08-08 14:38:22,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:38:22,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-08-08 14:38:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:38:22,173 INFO L225 Difference]: With dead ends: 1642 [2018-08-08 14:38:22,173 INFO L226 Difference]: Without dead ends: 1036 [2018-08-08 14:38:22,182 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:38:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-08-08 14:38:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-08-08 14:38:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-08-08 14:38:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1511 transitions. [2018-08-08 14:38:22,321 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1511 transitions. Word has length 66 [2018-08-08 14:38:22,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:38:22,322 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1511 transitions. [2018-08-08 14:38:22,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:38:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1511 transitions. [2018-08-08 14:38:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-08-08 14:38:22,336 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:38:22,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:38:22,336 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:38:22,337 INFO L82 PathProgramCache]: Analyzing trace with hash -872043739, now seen corresponding path program 1 times [2018-08-08 14:38:22,337 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:38:22,337 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-08-08 14:38:22,338 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:38:22,350 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:38:22,350 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:38:25,946 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:38:35,336 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:38:35,336 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:38:35,347 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:38:37,261 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 76.47% of their original sizes. [2018-08-08 14:38:37,262 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:38:39,005 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:38:39,006 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:38:39,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 14:38:39,006 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:38:39,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 14:38:39,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 14:38:39,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-08-08 14:38:39,008 INFO L87 Difference]: Start difference. First operand 1034 states and 1511 transitions. Second operand 14 states. [2018-08-08 14:39:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:39:38,744 INFO L93 Difference]: Finished difference Result 2967 states and 5193 transitions. [2018-08-08 14:39:38,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-08-08 14:39:38,745 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 141 [2018-08-08 14:39:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:39:38,758 INFO L225 Difference]: With dead ends: 2967 [2018-08-08 14:39:38,759 INFO L226 Difference]: Without dead ends: 2373 [2018-08-08 14:39:38,764 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2018-08-08 14:39:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-08-08 14:39:38,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 1497. [2018-08-08 14:39:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-08-08 14:39:38,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2009 transitions. [2018-08-08 14:39:38,826 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2009 transitions. Word has length 141 [2018-08-08 14:39:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:39:38,827 INFO L480 AbstractCegarLoop]: Abstraction has 1497 states and 2009 transitions. [2018-08-08 14:39:38,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 14:39:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2009 transitions. [2018-08-08 14:39:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-08-08 14:39:38,832 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:39:38,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:39:38,833 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:39:38,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1627241762, now seen corresponding path program 1 times [2018-08-08 14:39:38,833 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:39:38,834 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-08-08 14:39:38,834 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:39:38,839 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:39:38,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:39:43,414 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:40:00,948 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:40:00,948 INFO L272 AbstractInterpreter]: Visited 95 different actions 272 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:40:00,968 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:40:03,404 INFO L232 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 76.35% of their original sizes. [2018-08-08 14:40:03,404 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:40:13,582 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:40:13,583 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:40:13,583 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:40:13,583 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:40:13,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:40:13,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:40:13,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:40:13,586 INFO L87 Difference]: Start difference. First operand 1497 states and 2009 transitions. Second operand 13 states. [2018-08-08 14:40:48,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:40:48,330 INFO L93 Difference]: Finished difference Result 2646 states and 4140 transitions. [2018-08-08 14:40:48,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-08-08 14:40:48,334 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2018-08-08 14:40:48,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:40:48,348 INFO L225 Difference]: With dead ends: 2646 [2018-08-08 14:40:48,348 INFO L226 Difference]: Without dead ends: 2052 [2018-08-08 14:40:48,351 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 69 SyntacticMatches, 73 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2018-08-08 14:40:48,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2018-08-08 14:40:48,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1962. [2018-08-08 14:40:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2018-08-08 14:40:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2620 transitions. [2018-08-08 14:40:48,418 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2620 transitions. Word has length 154 [2018-08-08 14:40:48,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:40:48,419 INFO L480 AbstractCegarLoop]: Abstraction has 1962 states and 2620 transitions. [2018-08-08 14:40:48,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:40:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2620 transitions. [2018-08-08 14:40:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-08-08 14:40:48,427 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:40:48,429 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, 3, 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] [2018-08-08 14:40:48,429 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:40:48,429 INFO L82 PathProgramCache]: Analyzing trace with hash 477290035, now seen corresponding path program 1 times [2018-08-08 14:40:48,429 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:40:48,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-08-08 14:40:48,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:40:48,436 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:40:48,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:40:51,550 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:41:33,035 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:41:33,036 INFO L272 AbstractInterpreter]: Visited 96 different actions 650 times. Merged at 7 different actions 44 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 2 different actions. Largest state had 26 variables. [2018-08-08 14:41:33,044 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:41:37,453 INFO L232 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 75.94% of their original sizes. [2018-08-08 14:41:37,453 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:41:49,752 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:41:49,753 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:41:49,753 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 14:41:49,753 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:41:49,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 14:41:49,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 14:41:49,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-08-08 14:41:49,755 INFO L87 Difference]: Start difference. First operand 1962 states and 2620 transitions. Second operand 15 states. Received shutdown request... [2018-08-08 14:42:05,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 14:42:05,023 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:42:05,030 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:42:05,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:42:05 BoogieIcfgContainer [2018-08-08 14:42:05,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:42:05,032 INFO L168 Benchmark]: Toolchain (without parser) took 256879.30 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,034 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 14:42:05,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1869.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 312.41 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,036 INFO L168 Benchmark]: Boogie Preprocessor took 900.15 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 934.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,037 INFO L168 Benchmark]: RCFGBuilder took 10746.65 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 499.1 MB). Peak memory consumption was 499.1 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,038 INFO L168 Benchmark]: TraceAbstraction took 243043.97 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 545.0 MB. Max. memory is 7.1 GB. [2018-08-08 14:42:05,042 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1869.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 312.41 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 900.15 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 934.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10746.65 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 499.1 MB). Peak memory consumption was 499.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243043.97 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 3.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 545.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 185]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 185). Cancelled while BasicCegarLoop was constructing difference of abstraction (1962states) and FLOYD_HOARE automaton (currently 14 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (1038 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 242.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 124.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1904 SDtfs, 11463 SDslu, 1560 SDs, 0 SdLazy, 15994 SolverSat, 2202 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 115.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 626 GetRequests, 404 SyntacticMatches, 142 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 27.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 83.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9939089437297624 AbsIntWeakeningRatio, 0.14334470989761092 AbsIntAvgWeakeningVarsNumRemoved, 46.86006825938566 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 968 StatesRemovedByMinimization, 3 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/Problem17_label21_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-42-05-056.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label21_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-42-05-056.csv Completed graceful shutdown