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_label56_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:21:31,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:21:31,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:21:31,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:21:31,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:21:31,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:21:31,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:21:31,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:21:31,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:21:31,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:21:31,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:21:31,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:21:31,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:21:31,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:21:31,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:21:31,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:21:31,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:21:31,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:21:31,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:21:31,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:21:31,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:21:31,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:21:31,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:21:31,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:21:31,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:21:31,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:21:31,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:21:31,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:21:31,254 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:21:31,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:21:31,256 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:21:31,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:21:31,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:21:31,258 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:21:31,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:21:31,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:21:31,261 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 20:21:31,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:21:31,278 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:21:31,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:21:31,279 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:21:31,279 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:21:31,280 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:21:31,280 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:21:31,280 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:21:31,280 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:21:31,280 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:21:31,281 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:21:31,281 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:21:31,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:21:31,282 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:21:31,282 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:21:31,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:21:31,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:21:31,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:21:31,283 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:21:31,283 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:21:31,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:21:31,283 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:21:31,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:21:31,284 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:21:31,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:21:31,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:21:31,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:21:31,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:21:31,284 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:21:31,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:21:31,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:21:31,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:21:31,285 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:21:31,285 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:21:31,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:21:31,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:21:31,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:21:31,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:21:31,349 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:21:31,350 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label56_true-unreach-call.c [2018-09-15 20:21:31,713 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6ff78b6/69c573fe52664f63b72a489bf913e90a/FLAG56db91a44 [2018-09-15 20:21:32,084 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:21:32,085 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label56_true-unreach-call.c [2018-09-15 20:21:32,111 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6ff78b6/69c573fe52664f63b72a489bf913e90a/FLAG56db91a44 [2018-09-15 20:21:32,133 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af6ff78b6/69c573fe52664f63b72a489bf913e90a [2018-09-15 20:21:32,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:21:32,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:21:32,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:21:32,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:21:32,165 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:21:32,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:21:32" (1/1) ... [2018-09-15 20:21:32,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:32, skipping insertion in model container [2018-09-15 20:21:32,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:21:32" (1/1) ... [2018-09-15 20:21:32,183 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:21:33,078 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:21:33,099 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:21:33,383 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:21:33,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33 WrapperNode [2018-09-15 20:21:33,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:21:33,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:21:33,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:21:33,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:21:33,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:33,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:33,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:21:33,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:21:33,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:21:33,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:21:34,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (1/1) ... [2018-09-15 20:21:34,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:21:34,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:21:34,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:21:34,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:21:34,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (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 20:21:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:21:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:21:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:21:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:21:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:21:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:21:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:21:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:21:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:21:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:21:42,538 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:21:42,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:21:42 BoogieIcfgContainer [2018-09-15 20:21:42,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:21:42,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:21:42,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:21:42,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:21:42,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:21:32" (1/3) ... [2018-09-15 20:21:42,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8d581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:21:42, skipping insertion in model container [2018-09-15 20:21:42,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:21:33" (2/3) ... [2018-09-15 20:21:42,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8d581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:21:42, skipping insertion in model container [2018-09-15 20:21:42,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:21:42" (3/3) ... [2018-09-15 20:21:42,549 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label56_true-unreach-call.c [2018-09-15 20:21:42,559 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:21:42,569 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:21:42,626 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:21:42,627 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:21:42,627 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:21:42,627 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:21:42,627 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:21:42,628 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:21:42,628 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:21:42,628 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:21:42,628 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:21:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 20:21:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-15 20:21:42,671 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:21:42,672 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] [2018-09-15 20:21:42,673 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:21:42,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1936473164, now seen corresponding path program 1 times [2018-09-15 20:21:42,682 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:21:42,684 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 41 with the following transitions: [2018-09-15 20:21:42,686 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], [293], [295], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 20:21:42,758 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:21:42,759 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:21:44,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:21:44,101 INFO L272 AbstractInterpreter]: Visited 39 different actions 39 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 20:21:44,117 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:21:44,879 INFO L232 lantSequenceWeakener]: Weakened 38 states. On average, predicates are now at 80.09% of their original sizes. [2018-09-15 20:21:44,880 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:21:45,164 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:21:45,166 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:21:45,166 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:21:45,166 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:21:45,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:21:45,179 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:21:45,180 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:21:45,183 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 20:21:59,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:21:59,109 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 20:21:59,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:21:59,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-09-15 20:21:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:21:59,135 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 20:21:59,136 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 20:21:59,147 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:21:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 20:21:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 20:21:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 20:21:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 20:21:59,274 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 40 [2018-09-15 20:21:59,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:21:59,275 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 20:21:59,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:21:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 20:21:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-15 20:21:59,287 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:21:59,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:21:59,289 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:21:59,290 INFO L82 PathProgramCache]: Analyzing trace with hash 541541557, now seen corresponding path program 1 times [2018-09-15 20:21:59,290 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:21:59,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-09-15 20:21:59,291 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], [293], [295], [298], [306], [314], [322], [330], [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 20:21:59,300 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:21:59,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:22:04,071 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:22:17,252 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:22:17,253 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 20:22:17,261 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:22:20,058 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 78.14% of their original sizes. [2018-09-15 20:22:20,058 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:22:24,993 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:22:24,994 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:22:24,994 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 20:22:24,994 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:22:24,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 20:22:24,997 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 20:22:24,997 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-09-15 20:22:24,998 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 16 states. [2018-09-15 20:22:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:22:57,472 INFO L93 Difference]: Finished difference Result 2504 states and 4476 transitions. [2018-09-15 20:22:57,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 20:22:57,473 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-09-15 20:22:57,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:22:57,488 INFO L225 Difference]: With dead ends: 2504 [2018-09-15 20:22:57,489 INFO L226 Difference]: Without dead ends: 2076 [2018-09-15 20:22:57,493 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 75 SyntacticMatches, 46 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2018-09-15 20:22:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2018-09-15 20:22:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1099. [2018-09-15 20:22:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-09-15 20:22:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1444 transitions. [2018-09-15 20:22:57,572 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1444 transitions. Word has length 136 [2018-09-15 20:22:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:22:57,573 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1444 transitions. [2018-09-15 20:22:57,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-15 20:22:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1444 transitions. [2018-09-15 20:22:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-09-15 20:22:57,594 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:22:57,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:57,595 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:22:57,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1363534472, now seen corresponding path program 1 times [2018-09-15 20:22:57,596 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:22:57,596 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-09-15 20:22:57,597 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], [293], [295], [298], [306], [314], [322], [330], [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 20:22:57,623 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:22:57,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:23:10,289 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:23:50,734 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:23:50,734 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 20:23:50,774 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:23:55,600 INFO L232 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 77.69% of their original sizes. [2018-09-15 20:23:55,601 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:24:04,514 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:24:04,515 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:24:04,515 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 20:24:04,515 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:24:04,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 20:24:04,517 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 20:24:04,517 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-09-15 20:24:04,517 INFO L87 Difference]: Start difference. First operand 1099 states and 1444 transitions. Second operand 16 states. [2018-09-15 20:24:36,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:24:36,953 INFO L93 Difference]: Finished difference Result 2666 states and 4457 transitions. [2018-09-15 20:24:36,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-15 20:24:36,961 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 278 [2018-09-15 20:24:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:24:36,973 INFO L225 Difference]: With dead ends: 2666 [2018-09-15 20:24:36,973 INFO L226 Difference]: Without dead ends: 2238 [2018-09-15 20:24:36,976 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 292 GetRequests, 178 SyntacticMatches, 85 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-09-15 20:24:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2018-09-15 20:24:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 1496. [2018-09-15 20:24:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2018-09-15 20:24:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1855 transitions. [2018-09-15 20:24:37,035 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1855 transitions. Word has length 278 [2018-09-15 20:24:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:24:37,036 INFO L480 AbstractCegarLoop]: Abstraction has 1496 states and 1855 transitions. [2018-09-15 20:24:37,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-15 20:24:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1855 transitions. [2018-09-15 20:24:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-09-15 20:24:37,042 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:24:37,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:37,043 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:24:37,043 INFO L82 PathProgramCache]: Analyzing trace with hash -280117030, now seen corresponding path program 1 times [2018-09-15 20:24:37,043 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:24:37,044 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-09-15 20:24:37,044 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], [293], [295], [298], [306], [314], [322], [330], [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 20:24:37,052 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:24:37,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:24:50,626 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:25:37,672 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:25:37,672 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 20:25:37,681 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:25:41,680 INFO L232 lantSequenceWeakener]: Weakened 313 states. On average, predicates are now at 77.64% of their original sizes. [2018-09-15 20:25:41,680 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:25:43,417 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:25:43,417 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:25:43,417 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 20:25:43,417 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:25:43,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 20:25:43,418 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 20:25:43,419 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:25:43,419 INFO L87 Difference]: Start difference. First operand 1496 states and 1855 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 20:25:53,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 20:25:53,712 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:25:53,718 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:25:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:25:53 BoogieIcfgContainer [2018-09-15 20:25:53,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:25:53,719 INFO L168 Benchmark]: Toolchain (without parser) took 261571.02 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 911.4 MB. Max. memory is 7.1 GB. [2018-09-15 20:25:53,721 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 20:25:53,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.25 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 20:25:53,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 268.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:25:53,724 INFO L168 Benchmark]: Boogie Preprocessor took 731.41 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-15 20:25:53,725 INFO L168 Benchmark]: RCFGBuilder took 8017.33 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: 287.1 MB). Peak memory consumption was 287.1 MB. Max. memory is 7.1 GB. [2018-09-15 20:25:53,726 INFO L168 Benchmark]: TraceAbstraction took 251178.13 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 612.7 MB. Max. memory is 7.1 GB. [2018-09-15 20:25:53,732 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1363.25 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 268.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 731.41 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.7 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8017.33 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: 287.1 MB). Peak memory consumption was 287.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251178.13 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 612.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 106). Cancelled while BasicCegarLoop was constructing difference of abstraction (1496states) and FLOYD_HOARE automaton (currently 18 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1358 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 251.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 89.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1570 SDtfs, 10733 SDslu, 1517 SDs, 0 SdLazy, 15179 SolverSat, 1688 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 81.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 806 GetRequests, 584 SyntacticMatches, 131 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1496occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 133.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9954932961326823 AbsIntWeakeningRatio, 0.09673202614379085 AbsIntAvgWeakeningVarsNumRemoved, 28.163398692810457 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 1721 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_label56_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-25-53-747.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label56_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-25-53-747.csv Completed graceful shutdown