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/Problem15_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:16:32,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:16:32,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:16:32,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:16:32,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:16:32,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:16:32,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:16:32,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:16:32,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:16:32,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:16:32,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:16:32,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:16:32,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:16:32,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:16:32,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:16:32,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:16:32,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:16:32,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:16:32,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:16:32,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:16:32,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:16:32,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:16:32,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:16:32,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:16:32,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:16:32,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:16:32,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:16:32,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:16:32,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:16:32,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:16:32,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:16:32,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:16:32,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:16:32,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:16:32,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:16:32,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:16:32,158 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 [2018-09-15 20:16:32,185 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:16:32,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:16:32,186 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:16:32,186 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:16:32,186 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:16:32,187 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:16:32,187 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:16:32,187 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:16:32,187 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:16:32,187 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:16:32,188 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:16:32,188 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:16:32,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:16:32,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:16:32,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:16:32,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:16:32,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:16:32,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:16:32,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:16:32,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:16:32,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:16:32,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:16:32,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:16:32,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:16:32,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:16:32,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:16:32,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:16:32,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:16:32,192 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:16:32,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:16:32,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:16:32,192 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:16:32,192 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:16:32,193 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:16:32,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:16:32,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:16:32,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:16:32,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:16:32,260 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:16:32,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label24_true-unreach-call.c [2018-09-15 20:16:32,632 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6295a3900/ec22c9a0f27d4154b3eb0ac343af85b7/FLAG6b0595523 [2018-09-15 20:16:33,010 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:16:33,011 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label24_true-unreach-call.c [2018-09-15 20:16:33,033 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6295a3900/ec22c9a0f27d4154b3eb0ac343af85b7/FLAG6b0595523 [2018-09-15 20:16:33,049 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6295a3900/ec22c9a0f27d4154b3eb0ac343af85b7 [2018-09-15 20:16:33,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:16:33,065 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:16:33,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:16:33,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:16:33,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:16:33,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:16:33" (1/1) ... [2018-09-15 20:16:33,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58150d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:33, skipping insertion in model container [2018-09-15 20:16:33,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:16:33" (1/1) ... [2018-09-15 20:16:33,090 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:16:33,955 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:16:33,980 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:16:34,264 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:16:34,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34 WrapperNode [2018-09-15 20:16:34,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:16:34,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:16:34,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:16:34,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:16:34,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:34,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:34,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:16:34,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:16:34,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:16:34,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:16:35,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... [2018-09-15 20:16:35,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:16:35,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:16:35,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:16:35,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:16:35,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:16:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:16:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:16:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:16:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:16:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:16:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:16:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:16:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:16:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:16:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:16:43,693 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:16:43,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:16:43 BoogieIcfgContainer [2018-09-15 20:16:43,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:16:43,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:16:43,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:16:43,703 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:16:43,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:16:33" (1/3) ... [2018-09-15 20:16:43,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a62b997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:16:43, skipping insertion in model container [2018-09-15 20:16:43,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:34" (2/3) ... [2018-09-15 20:16:43,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a62b997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:16:43, skipping insertion in model container [2018-09-15 20:16:43,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:16:43" (3/3) ... [2018-09-15 20:16:43,709 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label24_true-unreach-call.c [2018-09-15 20:16:43,720 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:16:43,735 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:16:43,808 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:16:43,809 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:16:43,809 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:16:43,809 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:16:43,810 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:16:43,810 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:16:43,810 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:16:43,810 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:16:43,810 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:16:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 20:16:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-15 20:16:43,866 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:16:43,869 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] [2018-09-15 20:16:43,870 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:16:43,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1425761551, now seen corresponding path program 1 times [2018-09-15 20:16:43,880 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:16:43,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-09-15 20:16:43,884 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 20:16:43,981 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:16:43,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:16:45,346 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:16:45,348 INFO L272 AbstractInterpreter]: Visited 44 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 20:16:45,365 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:16:46,132 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 80.29% of their original sizes. [2018-09-15 20:16:46,132 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:16:46,475 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:16:46,477 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:16:46,478 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:16:46,478 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:16:46,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:16:46,491 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:16:46,492 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:16:46,495 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 20:16:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:16:55,868 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 20:16:55,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:16:55,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-09-15 20:16:55,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:16:55,893 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 20:16:55,894 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 20:16:55,902 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:16:55,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 20:16:55,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 20:16:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 20:16:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 20:16:55,998 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 45 [2018-09-15 20:16:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:16:55,999 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 20:16:55,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:16:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 20:16:56,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-15 20:16:56,006 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:16:56,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:16:56,007 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:16:56,007 INFO L82 PathProgramCache]: Analyzing trace with hash -320564057, now seen corresponding path program 1 times [2018-09-15 20:16:56,008 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:16:56,008 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-09-15 20:16:56,009 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 20:16:56,020 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:16:56,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:17:00,180 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:17:14,005 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:17:14,006 INFO L272 AbstractInterpreter]: Visited 103 different actions 296 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 20:17:14,050 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:17:16,755 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 78.27% of their original sizes. [2018-09-15 20:17:16,756 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:17:21,799 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:17:21,800 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:17:21,800 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-09-15 20:17:21,800 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:17:21,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-15 20:17:21,803 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-15 20:17:21,803 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-09-15 20:17:21,803 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 17 states. [2018-09-15 20:17:55,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:17:55,273 INFO L93 Difference]: Finished difference Result 2560 states and 4580 transitions. [2018-09-15 20:17:55,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 20:17:55,274 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 141 [2018-09-15 20:17:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:17:55,286 INFO L225 Difference]: With dead ends: 2560 [2018-09-15 20:17:55,286 INFO L226 Difference]: Without dead ends: 2132 [2018-09-15 20:17:55,291 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 77 SyntacticMatches, 48 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=255, Invalid=867, Unknown=0, NotChecked=0, Total=1122 [2018-09-15 20:17:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-09-15 20:17:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 1407. [2018-09-15 20:17:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1407 states. [2018-09-15 20:17:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 1766 transitions. [2018-09-15 20:17:55,363 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 1766 transitions. Word has length 141 [2018-09-15 20:17:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:17:55,366 INFO L480 AbstractCegarLoop]: Abstraction has 1407 states and 1766 transitions. [2018-09-15 20:17:55,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-15 20:17:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1766 transitions. [2018-09-15 20:17:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-09-15 20:17:55,386 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:17:55,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:17:55,387 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:17:55,387 INFO L82 PathProgramCache]: Analyzing trace with hash 744450164, now seen corresponding path program 1 times [2018-09-15 20:17:55,387 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:17:55,388 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-09-15 20:17:55,390 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 20:17:55,409 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:17:55,410 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:18:08,001 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:18:51,618 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:18:51,619 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 20:18:51,621 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:18:56,170 INFO L232 lantSequenceWeakener]: Weakened 281 states. On average, predicates are now at 77.77% of their original sizes. [2018-09-15 20:18:56,171 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:19:05,109 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:19:05,110 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:19:05,110 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-09-15 20:19:05,110 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:19:05,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-15 20:19:05,112 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-15 20:19:05,112 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-09-15 20:19:05,113 INFO L87 Difference]: Start difference. First operand 1407 states and 1766 transitions. Second operand 17 states. [2018-09-15 20:19:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:19:37,381 INFO L93 Difference]: Finished difference Result 3030 states and 4882 transitions. [2018-09-15 20:19:37,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-15 20:19:37,383 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 283 [2018-09-15 20:19:37,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:19:37,397 INFO L225 Difference]: With dead ends: 3030 [2018-09-15 20:19:37,397 INFO L226 Difference]: Without dead ends: 2602 [2018-09-15 20:19:37,401 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 300 GetRequests, 180 SyntacticMatches, 87 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2018-09-15 20:19:37,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2018-09-15 20:19:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2112. [2018-09-15 20:19:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2018-09-15 20:19:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2498 transitions. [2018-09-15 20:19:37,479 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2498 transitions. Word has length 283 [2018-09-15 20:19:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:19:37,480 INFO L480 AbstractCegarLoop]: Abstraction has 2112 states and 2498 transitions. [2018-09-15 20:19:37,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-15 20:19:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2498 transitions. [2018-09-15 20:19:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-09-15 20:19:37,486 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:19:37,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:19:37,487 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:19:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash 563944516, now seen corresponding path program 1 times [2018-09-15 20:19:37,488 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:19:37,488 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 321 with the following transitions: [2018-09-15 20:19:37,488 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 20:19:37,497 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:19:37,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:19:52,054 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:20:39,535 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:20:39,535 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 20:20:39,540 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:20:43,458 INFO L232 lantSequenceWeakener]: Weakened 318 states. On average, predicates are now at 77.71% of their original sizes. [2018-09-15 20:20:43,459 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:20:45,141 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:20:45,141 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:20:45,141 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 20:20:45,142 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:20:45,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 20:20:45,142 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 20:20:45,143 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:20:45,143 INFO L87 Difference]: Start difference. First operand 2112 states and 2498 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 20:20:56,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 20:20:56,312 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:20:56,318 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:20:56,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:20:56 BoogieIcfgContainer [2018-09-15 20:20:56,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:20:56,320 INFO L168 Benchmark]: Toolchain (without parser) took 263258.60 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -395.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,322 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 20:20:56,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1329.98 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 238.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,324 INFO L168 Benchmark]: Boogie Preprocessor took 651.04 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 888.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,325 INFO L168 Benchmark]: RCFGBuilder took 8407.49 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 300.1 MB). Peak memory consumption was 300.1 MB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,326 INFO L168 Benchmark]: TraceAbstraction took 252623.28 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 213.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-15 20:20:56,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1329.98 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 238.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 651.04 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 888.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8407.49 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 300.1 MB). Peak memory consumption was 300.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252623.28 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 213.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 121). Cancelled while BasicCegarLoop was constructing difference of abstraction (2112states) and FLOYD_HOARE automaton (currently 18 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1835 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 252.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 86.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1590 SDtfs, 11023 SDslu, 1444 SDs, 0 SdLazy, 15371 SolverSat, 1783 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 832 GetRequests, 598 SyntacticMatches, 135 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1363 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2112occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 137.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9956081166133783 AbsIntWeakeningRatio, 0.09426751592356689 AbsIntAvgWeakeningVarsNumRemoved, 26.814012738853503 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 1217 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/Problem15_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-20-56-345.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-20-56-345.csv Completed graceful shutdown