java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:09:56,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:09:56,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:09:56,349 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:09:56,349 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:09:56,350 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:09:56,351 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:09:56,353 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:09:56,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:09:56,356 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:09:56,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:09:56,357 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:09:56,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:09:56,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:09:56,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:09:56,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:09:56,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:09:56,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:09:56,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:09:56,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:09:56,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:09:56,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:09:56,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:09:56,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:09:56,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:09:56,391 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:09:56,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:09:56,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:09:56,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:09:56,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:09:56,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:09:56,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:09:56,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:09:56,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:09:56,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:09:56,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:09:56,403 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 [2018-09-19 10:09:56,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:09:56,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:09:56,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:09:56,429 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:09:56,429 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:09:56,429 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:09:56,429 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:09:56,430 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:09:56,430 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:09:56,430 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:09:56,431 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:09:56,431 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:09:56,431 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:09:56,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:09:56,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:09:56,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:09:56,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:09:56,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:09:56,435 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:09:56,435 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:09:56,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:09:56,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:09:56,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:09:56,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:09:56,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:09:56,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:09:56,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:09:56,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:09:56,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:09:56,438 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:09:56,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:09:56,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:09:56,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:09:56,439 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:09:56,439 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:09:56,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:09:56,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:09:56,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:09:56,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:09:56,527 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:09:56,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label13_true-unreach-call.c [2018-09-19 10:09:56,924 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb1fed22/22d7a7849430471eaf5e9b1b0e7a1f40/FLAGea979ff65 [2018-09-19 10:09:57,347 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:09:57,350 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label13_true-unreach-call.c [2018-09-19 10:09:57,371 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb1fed22/22d7a7849430471eaf5e9b1b0e7a1f40/FLAGea979ff65 [2018-09-19 10:09:57,394 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb1fed22/22d7a7849430471eaf5e9b1b0e7a1f40 [2018-09-19 10:09:57,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:09:57,411 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:09:57,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:09:57,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:09:57,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:09:57,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:09:57" (1/1) ... [2018-09-19 10:09:57,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfb005e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:57, skipping insertion in model container [2018-09-19 10:09:57,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:09:57" (1/1) ... [2018-09-19 10:09:57,438 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:09:58,034 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:09:58,060 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:09:58,272 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:09:58,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58 WrapperNode [2018-09-19 10:09:58,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:09:58,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:09:58,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:09:58,358 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:09:58,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:09:58,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:09:58,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:09:58,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:09:58,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:58,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:59,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (1/1) ... [2018-09-19 10:09:59,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:09:59,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:09:59,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:09:59,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:09:59,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (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 [2018-09-19 10:09:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:09:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:09:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:09:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:09:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:09:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:09:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:09:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:10:03,827 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:10:03,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:03 BoogieIcfgContainer [2018-09-19 10:10:03,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:10:03,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:10:03,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:10:03,833 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:10:03,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:09:57" (1/3) ... [2018-09-19 10:10:03,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616984c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:03, skipping insertion in model container [2018-09-19 10:10:03,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:09:58" (2/3) ... [2018-09-19 10:10:03,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616984c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:10:03, skipping insertion in model container [2018-09-19 10:10:03,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:10:03" (3/3) ... [2018-09-19 10:10:03,840 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label13_true-unreach-call.c [2018-09-19 10:10:03,853 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:10:03,864 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:10:03,926 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:10:03,927 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:10:03,927 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:10:03,927 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:10:03,927 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:10:03,928 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:10:03,928 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:10:03,928 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:10:03,928 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:10:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-19 10:10:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-19 10:10:03,972 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:03,973 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] [2018-09-19 10:10:03,975 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:03,981 INFO L82 PathProgramCache]: Analyzing trace with hash -739085812, now seen corresponding path program 1 times [2018-09-19 10:10:03,984 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:03,985 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 41 with the following transitions: [2018-09-19 10:10:03,989 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-19 10:10:04,071 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:04,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:06,166 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:10:06,169 INFO L272 AbstractInterpreter]: Visited 39 different actions 39 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-19 10:10:06,181 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:10:06,915 INFO L232 lantSequenceWeakener]: Weakened 38 states. On average, predicates are now at 74.97% of their original sizes. [2018-09-19 10:10:06,916 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:10:07,280 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:10:07,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:10:07,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:10:07,283 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:10:07,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:10:07,301 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:10:07,302 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:10:07,305 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-19 10:10:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:10:15,282 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-19 10:10:15,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:10:15,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-09-19 10:10:15,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:10:15,306 INFO L225 Difference]: With dead ends: 776 [2018-09-19 10:10:15,307 INFO L226 Difference]: Without dead ends: 481 [2018-09-19 10:10:15,316 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:10:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-19 10:10:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-19 10:10:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-19 10:10:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-19 10:10:15,416 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 40 [2018-09-19 10:10:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:10:15,417 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-19 10:10:15,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:10:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-19 10:10:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-19 10:10:15,428 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:15,428 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] [2018-09-19 10:10:15,429 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:15,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1799637621, now seen corresponding path program 1 times [2018-09-19 10:10:15,429 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:15,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-09-19 10:10:15,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:10:15,443 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:15,443 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:21,082 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:10:31,998 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:10:31,998 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:10:32,007 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:10:33,680 INFO L232 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 73.59% of their original sizes. [2018-09-19 10:10:33,681 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:10:34,571 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:10:34,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:10:34,572 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:10:34,572 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:10:34,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:10:34,574 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:10:34,574 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:10:34,575 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-19 10:10:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:10:43,277 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-19 10:10:43,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:10:43,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2018-09-19 10:10:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:10:43,286 INFO L225 Difference]: With dead ends: 959 [2018-09-19 10:10:43,287 INFO L226 Difference]: Without dead ends: 676 [2018-09-19 10:10:43,290 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:10:43,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-19 10:10:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-19 10:10:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-19 10:10:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-19 10:10:43,331 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 157 [2018-09-19 10:10:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:10:43,332 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-19 10:10:43,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:10:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-19 10:10:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-19 10:10:43,337 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:10:43,337 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] [2018-09-19 10:10:43,338 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:10:43,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1448961, now seen corresponding path program 1 times [2018-09-19 10:10:43,338 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:10:43,338 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-09-19 10:10:43,339 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:10:43,346 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:10:43,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:55,758 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:11:03,584 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:11:03,585 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:11:03,593 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:11:05,354 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 73.56% of their original sizes. [2018-09-19 10:11:05,356 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:05,981 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:05,982 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:05,982 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:11:05,982 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:05,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:11:05,983 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:11:05,984 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:11:05,984 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 11 states. [2018-09-19 10:11:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:11:14,594 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-19 10:11:14,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 10:11:14,597 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2018-09-19 10:11:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:11:14,604 INFO L225 Difference]: With dead ends: 1153 [2018-09-19 10:11:14,604 INFO L226 Difference]: Without dead ends: 870 [2018-09-19 10:11:14,606 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-19 10:11:14,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-19 10:11:14,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-19 10:11:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-19 10:11:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-19 10:11:14,648 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 167 [2018-09-19 10:11:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:11:14,650 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-19 10:11:14,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:11:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-19 10:11:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-19 10:11:14,655 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:11:14,655 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] [2018-09-19 10:11:14,655 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:11:14,656 INFO L82 PathProgramCache]: Analyzing trace with hash -284345625, now seen corresponding path program 1 times [2018-09-19 10:11:14,656 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:11:14,656 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-09-19 10:11:14,656 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:11:14,663 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:11:14,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:11:27,128 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:11:33,704 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:11:33,704 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:11:33,712 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:11:35,145 INFO L232 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 73.61% of their original sizes. [2018-09-19 10:11:35,145 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:11:35,745 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:11:35,745 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:11:35,745 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:11:35,745 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:11:35,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:11:35,747 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:11:35,747 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:11:35,748 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 13 states. [2018-09-19 10:12:01,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:12:01,254 INFO L93 Difference]: Finished difference Result 2024 states and 3287 transitions. [2018-09-19 10:12:01,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-19 10:12:01,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 172 [2018-09-19 10:12:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:12:01,275 INFO L225 Difference]: With dead ends: 2024 [2018-09-19 10:12:01,275 INFO L226 Difference]: Without dead ends: 1741 [2018-09-19 10:12:01,278 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2018-09-19 10:12:01,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2018-09-19 10:12:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1636. [2018-09-19 10:12:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-09-19 10:12:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2042 transitions. [2018-09-19 10:12:01,354 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2042 transitions. Word has length 172 [2018-09-19 10:12:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:12:01,355 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2042 transitions. [2018-09-19 10:12:01,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:12:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2042 transitions. [2018-09-19 10:12:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-19 10:12:01,359 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:12:01,359 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] [2018-09-19 10:12:01,360 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:12:01,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1523900110, now seen corresponding path program 1 times [2018-09-19 10:12:01,360 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:12:01,361 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-09-19 10:12:01,361 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:12:01,369 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:12:01,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:12:22,340 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:12:22,340 INFO L272 AbstractInterpreter]: Visited 155 different actions 452 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:12:22,346 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:12:23,533 INFO L232 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 73.51% of their original sizes. [2018-09-19 10:12:23,533 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:12:24,052 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:12:24,052 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:12:24,052 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:12:24,052 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:12:24,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:12:24,053 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:12:24,053 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:12:24,053 INFO L87 Difference]: Start difference. First operand 1636 states and 2042 transitions. Second operand 11 states. [2018-09-19 10:12:39,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:12:39,627 INFO L93 Difference]: Finished difference Result 3341 states and 4418 transitions. [2018-09-19 10:12:39,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 10:12:39,628 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 188 [2018-09-19 10:12:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:12:39,642 INFO L225 Difference]: With dead ends: 3341 [2018-09-19 10:12:39,643 INFO L226 Difference]: Without dead ends: 2095 [2018-09-19 10:12:39,648 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:12:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-09-19 10:12:39,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2017. [2018-09-19 10:12:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2018-09-19 10:12:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2472 transitions. [2018-09-19 10:12:39,726 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2472 transitions. Word has length 188 [2018-09-19 10:12:39,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:12:39,727 INFO L480 AbstractCegarLoop]: Abstraction has 2017 states and 2472 transitions. [2018-09-19 10:12:39,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:12:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2472 transitions. [2018-09-19 10:12:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-19 10:12:39,732 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:12:39,733 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:12:39,733 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:12:39,733 INFO L82 PathProgramCache]: Analyzing trace with hash 647630658, now seen corresponding path program 1 times [2018-09-19 10:12:39,734 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:12:39,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-09-19 10:12:39,734 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:12:39,739 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:12:39,739 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:12:45,429 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:13:13,339 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:13:13,339 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:13:13,349 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:13:15,059 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 73.45% of their original sizes. [2018-09-19 10:13:15,059 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:13:15,801 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:13:15,801 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:13:15,802 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:13:15,802 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:13:15,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:13:15,803 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:13:15,803 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:13:15,803 INFO L87 Difference]: Start difference. First operand 2017 states and 2472 transitions. Second operand 14 states. [2018-09-19 10:13:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:13:31,657 INFO L93 Difference]: Finished difference Result 3662 states and 4785 transitions. [2018-09-19 10:13:31,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 10:13:31,660 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 238 [2018-09-19 10:13:31,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:13:31,672 INFO L225 Difference]: With dead ends: 3662 [2018-09-19 10:13:31,673 INFO L226 Difference]: Without dead ends: 2608 [2018-09-19 10:13:31,679 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-09-19 10:13:31,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2018-09-19 10:13:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2596. [2018-09-19 10:13:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2018-09-19 10:13:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3144 transitions. [2018-09-19 10:13:31,760 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3144 transitions. Word has length 238 [2018-09-19 10:13:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:13:31,761 INFO L480 AbstractCegarLoop]: Abstraction has 2596 states and 3144 transitions. [2018-09-19 10:13:31,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 10:13:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3144 transitions. [2018-09-19 10:13:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-19 10:13:31,766 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:13:31,766 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:13:31,766 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:13:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash 202255866, now seen corresponding path program 1 times [2018-09-19 10:13:31,767 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:13:31,767 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-09-19 10:13:31,767 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-19 10:13:31,771 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:13:31,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:13:37,227 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:14:06,539 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:14:06,539 INFO L272 AbstractInterpreter]: Visited 125 different actions 729 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-19 10:14:06,544 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:14:08,021 INFO L232 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 73.44% of their original sizes. [2018-09-19 10:14:08,021 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:14:08,719 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:14:08,719 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:14:08,719 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 10:14:08,719 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:14:08,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 10:14:08,720 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 10:14:08,720 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 10:14:08,720 INFO L87 Difference]: Start difference. First operand 2596 states and 3144 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 10:14:22,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 10:14:22,946 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:14:22,952 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:14:22,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:14:22 BoogieIcfgContainer [2018-09-19 10:14:22,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:14:22,953 INFO L168 Benchmark]: Toolchain (without parser) took 265545.50 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 2.1 GB in the end (delta: -632.7 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,955 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 10:14:22,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.88 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,957 INFO L168 Benchmark]: Boogie Preprocessor took 468.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 806.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -932.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,958 INFO L168 Benchmark]: RCFGBuilder took 4796.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 172.1 MB). Peak memory consumption was 172.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,959 INFO L168 Benchmark]: TraceAbstraction took 259123.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-19 10:14:22,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 944.88 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 204.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 468.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 806.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -932.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4796.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 172.1 MB). Peak memory consumption was 172.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259123.28 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (2596states) and FLOYD_HOARE automaton (currently 25 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (3579 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 259.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 96.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2015 SDtfs, 10528 SDslu, 2977 SDs, 0 SdLazy, 20904 SolverSat, 2051 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.0s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1266 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2596occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 147.4s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.994738746200734 AbsIntWeakeningRatio, 0.13450292397660818 AbsIntAvgWeakeningVarsNumRemoved, 1223.501253132832 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 210 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label13_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-14-22-979.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label13_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-14-22-979.csv Completed graceful shutdown