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/Problem11_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 13:41:38,200 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 13:41:38,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 13:41:38,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 13:41:38,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 13:41:38,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 13:41:38,226 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 13:41:38,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 13:41:38,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 13:41:38,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 13:41:38,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 13:41:38,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 13:41:38,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 13:41:38,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 13:41:38,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 13:41:38,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 13:41:38,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 13:41:38,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 13:41:38,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 13:41:38,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 13:41:38,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 13:41:38,245 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 13:41:38,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 13:41:38,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 13:41:38,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 13:41:38,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 13:41:38,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 13:41:38,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 13:41:38,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 13:41:38,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 13:41:38,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 13:41:38,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 13:41:38,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 13:41:38,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 13:41:38,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 13:41:38,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 13:41:38,257 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 13:41:38,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 13:41:38,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 13:41:38,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 13:41:38,281 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 13:41:38,281 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 13:41:38,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 13:41:38,282 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 13:41:38,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 13:41:38,282 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 13:41:38,282 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 13:41:38,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 13:41:38,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 13:41:38,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 13:41:38,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 13:41:38,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 13:41:38,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 13:41:38,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 13:41:38,285 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 13:41:38,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 13:41:38,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 13:41:38,286 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 13:41:38,286 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 13:41:38,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 13:41:38,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 13:41:38,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 13:41:38,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 13:41:38,287 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 13:41:38,287 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 13:41:38,287 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 13:41:38,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 13:41:38,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 13:41:38,289 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 13:41:38,289 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 13:41:38,290 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 13:41:38,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 13:41:38,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 13:41:38,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 13:41:38,388 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 13:41:38,388 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 13:41:38,389 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-08-08 13:41:38,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a292674/e5335164897942dca970a36194681071/FLAG0751e4cb8 [2018-08-08 13:41:39,040 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 13:41:39,042 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-08-08 13:41:39,066 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a292674/e5335164897942dca970a36194681071/FLAG0751e4cb8 [2018-08-08 13:41:39,091 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a292674/e5335164897942dca970a36194681071 [2018-08-08 13:41:39,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 13:41:39,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 13:41:39,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 13:41:39,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 13:41:39,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 13:41:39,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:41:39" (1/1) ... [2018-08-08 13:41:39,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765a9038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:39, skipping insertion in model container [2018-08-08 13:41:39,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:41:39" (1/1) ... [2018-08-08 13:41:39,411 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 13:41:39,880 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:41:39,898 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 13:41:40,148 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 13:41:40,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40 WrapperNode [2018-08-08 13:41:40,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 13:41:40,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 13:41:40,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 13:41:40,239 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 13:41:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 13:41:40,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 13:41:40,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 13:41:40,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 13:41:40,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (1/1) ... [2018-08-08 13:41:40,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 13:41:40,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 13:41:40,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 13:41:40,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 13:41:40,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (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 13:41:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 13:41:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 13:41:41,006 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 13:41:41,007 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 13:41:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 13:41:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 13:41:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 13:41:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 13:41:46,606 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 13:41:46,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:41:46 BoogieIcfgContainer [2018-08-08 13:41:46,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 13:41:46,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 13:41:46,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 13:41:46,613 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 13:41:46,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 01:41:39" (1/3) ... [2018-08-08 13:41:46,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f7076c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:41:46, skipping insertion in model container [2018-08-08 13:41:46,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:41:40" (2/3) ... [2018-08-08 13:41:46,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f7076c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 01:41:46, skipping insertion in model container [2018-08-08 13:41:46,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:41:46" (3/3) ... [2018-08-08 13:41:46,619 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label53_true-unreach-call.c [2018-08-08 13:41:46,631 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 13:41:46,641 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 13:41:46,695 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 13:41:46,696 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 13:41:46,697 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 13:41:46,697 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 13:41:46,697 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 13:41:46,697 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 13:41:46,697 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 13:41:46,698 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 13:41:46,698 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 13:41:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 13:41:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-08-08 13:41:46,755 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:41:46,757 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] [2018-08-08 13:41:46,758 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 13:41:46,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1916491172, now seen corresponding path program 1 times [2018-08-08 13:41:46,767 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:41:46,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-08-08 13:41:46,771 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], [333], [335], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 13:41:46,857 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:41:46,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:41:51,788 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:41:51,790 INFO L272 AbstractInterpreter]: Visited 53 different actions 53 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 13:41:51,816 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:41:53,404 INFO L232 lantSequenceWeakener]: Weakened 52 states. On average, predicates are now at 75.5% of their original sizes. [2018-08-08 13:41:53,404 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:41:53,774 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:41:53,777 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:41:53,777 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 13:41:53,778 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:41:53,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 13:41:53,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 13:41:53,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 13:41:53,795 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 13:42:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:42:02,210 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 13:42:02,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 13:42:02,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-08-08 13:42:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:42:02,243 INFO L225 Difference]: With dead ends: 776 [2018-08-08 13:42:02,243 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 13:42:02,252 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 53 GetRequests, 49 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 13:42:02,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 13:42:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 13:42:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 13:42:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 13:42:02,340 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 54 [2018-08-08 13:42:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:42:02,341 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 13:42:02,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 13:42:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 13:42:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-08-08 13:42:02,351 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:42:02,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:42:02,352 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 13:42:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1026222291, now seen corresponding path program 1 times [2018-08-08 13:42:02,352 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:42:02,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-08-08 13:42:02,353 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:42:02,364 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:42:02,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:42:14,284 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:42:41,714 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:42:41,715 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:42:41,755 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:42:45,253 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 73.87% of their original sizes. [2018-08-08 13:42:45,254 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:42:46,343 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:42:46,343 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:42:46,344 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:42:46,344 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:42:46,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:42:46,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:42:46,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:42:46,346 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-08-08 13:43:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:43:04,714 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-08-08 13:43:04,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:43:04,716 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2018-08-08 13:43:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:43:04,723 INFO L225 Difference]: With dead ends: 959 [2018-08-08 13:43:04,723 INFO L226 Difference]: Without dead ends: 676 [2018-08-08 13:43:04,726 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:43:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-08-08 13:43:04,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-08-08 13:43:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-08-08 13:43:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-08-08 13:43:04,773 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 171 [2018-08-08 13:43:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:43:04,774 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-08-08 13:43:04,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:43:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-08-08 13:43:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-08-08 13:43:04,779 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:43:04,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:43:04,780 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 13:43:04,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1319545785, now seen corresponding path program 1 times [2018-08-08 13:43:04,780 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:43:04,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-08-08 13:43:04,781 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:43:04,788 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:43:04,788 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:43:31,235 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:43:45,722 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:43:45,722 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:43:45,769 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:43:48,933 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.82% of their original sizes. [2018-08-08 13:43:48,933 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:43:49,827 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:43:49,827 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:43:49,827 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 13:43:49,828 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:43:49,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 13:43:49,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 13:43:49,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 13:43:49,829 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-08-08 13:44:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 13:44:02,232 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-08-08 13:44:02,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 13:44:02,234 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2018-08-08 13:44:02,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 13:44:02,242 INFO L225 Difference]: With dead ends: 1153 [2018-08-08 13:44:02,242 INFO L226 Difference]: Without dead ends: 870 [2018-08-08 13:44:02,244 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 13:44:02,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-08-08 13:44:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-08-08 13:44:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-08-08 13:44:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-08-08 13:44:02,286 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 181 [2018-08-08 13:44:02,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 13:44:02,287 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-08-08 13:44:02,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 13:44:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-08-08 13:44:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-08-08 13:44:02,292 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 13:44:02,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:02,292 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 13:44:02,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1295536735, now seen corresponding path program 1 times [2018-08-08 13:44:02,293 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 13:44:02,293 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-08-08 13:44:02,294 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 13:44:02,301 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 13:44:02,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 13:44:52,418 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 13:45:29,309 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 13:45:29,309 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 13:45:29,316 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 13:45:35,360 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.87% of their original sizes. [2018-08-08 13:45:35,361 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 13:45:38,002 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 13:45:38,003 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 13:45:38,003 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-08-08 13:45:38,003 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 13:45:38,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-08-08 13:45:38,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-08-08 13:45:38,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-08-08 13:45:38,005 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-08-08 13:46:07,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-08-08 13:46:07,267 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 13:46:07,273 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 13:46:07,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 01:46:07 BoogieIcfgContainer [2018-08-08 13:46:07,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 13:46:07,275 INFO L168 Benchmark]: Toolchain (without parser) took 268166.64 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -517.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,277 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 13:46:07,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1124.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 227.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,280 INFO L168 Benchmark]: Boogie Preprocessor took 462.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -901.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,281 INFO L168 Benchmark]: RCFGBuilder took 5677.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,281 INFO L168 Benchmark]: TraceAbstraction took 260665.70 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 95.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-08-08 13:46:07,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1124.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 227.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 462.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -901.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5677.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.8 MB). Peak memory consumption was 188.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260665.70 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 95.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 147). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 25 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1443 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 260.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 68.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1113 SDtfs, 6234 SDslu, 1267 SDs, 0 SdLazy, 8994 SolverSat, 999 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 625 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 172.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9944321236838246 AbsIntWeakeningRatio, 0.141156462585034 AbsIntAvgWeakeningVarsNumRemoved, 48.30952380952381 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 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/Problem11_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_13-46-07-301.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label53_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_13-46-07-301.csv Completed graceful shutdown