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_label43_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:19:10,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:19:10,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:19:10,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:19:10,594 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:19:10,596 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:19:10,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:19:10,599 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:19:10,601 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:19:10,602 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:19:10,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:19:10,603 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:19:10,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:19:10,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:19:10,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:19:10,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:19:10,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:19:10,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:19:10,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:19:10,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:19:10,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:19:10,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:19:10,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:19:10,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:19:10,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:19:10,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:19:10,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:19:10,625 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:19:10,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:19:10,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:19:10,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:19:10,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:19:10,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:19:10,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:19:10,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:19:10,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:19:10,636 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 20:19:10,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:19:10,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:19:10,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:19:10,674 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:19:10,674 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:19:10,674 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:19:10,674 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:19:10,675 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:19:10,675 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:19:10,675 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:19:10,675 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:19:10,675 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:19:10,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:19:10,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:19:10,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:19:10,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:19:10,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:19:10,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:19:10,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:19:10,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:19:10,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:19:10,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:19:10,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:19:10,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:19:10,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:19:10,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:19:10,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:19:10,684 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:19:10,685 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:19:10,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:19:10,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:19:10,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:19:10,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:19:10,796 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:19:10,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-09-15 20:19:11,218 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf2a37a0/7c138c3a420c4af5a3524d12db0d5b54/FLAGfa49df821 [2018-09-15 20:19:11,624 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:19:11,625 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label43_true-unreach-call.c [2018-09-15 20:19:11,655 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf2a37a0/7c138c3a420c4af5a3524d12db0d5b54/FLAGfa49df821 [2018-09-15 20:19:11,681 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf2a37a0/7c138c3a420c4af5a3524d12db0d5b54 [2018-09-15 20:19:11,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:19:11,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:19:11,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:19:11,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:19:11,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:19:11,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:19:11" (1/1) ... [2018-09-15 20:19:11,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674df799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:11, skipping insertion in model container [2018-09-15 20:19:11,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:19:11" (1/1) ... [2018-09-15 20:19:11,736 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:19:12,637 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:19:12,657 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:19:12,967 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:19:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13 WrapperNode [2018-09-15 20:19:13,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:19:13,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:19:13,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:19:13,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:19:13,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:13,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:13,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:19:13,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:19:13,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:19:13,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:19:14,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (1/1) ... [2018-09-15 20:19:14,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:19:14,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:19:14,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:19:14,273 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:19:14,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (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 20:19:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:19:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:19:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:19:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:19:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:19:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:19:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:19:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:19:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:19:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:19:21,013 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:19:21,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:19:21 BoogieIcfgContainer [2018-09-15 20:19:21,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:19:21,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:19:21,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:19:21,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:19:21,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:19:11" (1/3) ... [2018-09-15 20:19:21,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b65fb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:19:21, skipping insertion in model container [2018-09-15 20:19:21,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:19:13" (2/3) ... [2018-09-15 20:19:21,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b65fb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:19:21, skipping insertion in model container [2018-09-15 20:19:21,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:19:21" (3/3) ... [2018-09-15 20:19:21,024 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label43_true-unreach-call.c [2018-09-15 20:19:21,035 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:19:21,045 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:19:21,105 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:19:21,105 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:19:21,106 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:19:21,106 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:19:21,106 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:19:21,106 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:19:21,106 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:19:21,107 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:19:21,107 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:19:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 20:19:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-15 20:19:21,158 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:19:21,159 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:19:21,160 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:19:21,164 INFO L82 PathProgramCache]: Analyzing trace with hash 907062017, now seen corresponding path program 1 times [2018-09-15 20:19:21,167 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:19:21,168 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 66 with the following transitions: [2018-09-15 20:19:21,171 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 20:19:21,239 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:19:21,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:19:23,401 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:19:23,403 INFO L272 AbstractInterpreter]: Visited 64 different actions 64 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 20:19:23,425 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:19:24,458 INFO L232 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 80.78% of their original sizes. [2018-09-15 20:19:24,459 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:19:24,762 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:19:24,763 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:19:24,764 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:19:24,764 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:19:24,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:19:24,778 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:19:24,779 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:19:24,782 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 20:19:36,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:19:36,822 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 20:19:36,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:19:36,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-09-15 20:19:36,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:19:36,848 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 20:19:36,849 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 20:19:36,860 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 64 GetRequests, 60 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 20:19:36,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 20:19:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 20:19:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 20:19:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 20:19:36,968 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 65 [2018-09-15 20:19:36,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:19:36,969 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 20:19:36,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:19:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 20:19:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-15 20:19:36,979 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:19:36,979 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 20:19:36,980 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:19:36,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2134107255, now seen corresponding path program 1 times [2018-09-15 20:19:36,980 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:19:36,981 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-09-15 20:19:36,981 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [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 20:19:36,988 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:19:36,988 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:19:40,963 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:19:53,987 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:19:53,987 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 20:19:53,996 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:19:57,226 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 78.72% of their original sizes. [2018-09-15 20:19:57,226 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:20:02,975 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:20:02,976 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:20:02,976 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 20:20:02,977 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:20:02,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 20:20:02,978 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 20:20:02,979 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:20:02,979 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 20 states. [2018-09-15 20:20:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:20:36,492 INFO L93 Difference]: Finished difference Result 2721 states and 4884 transitions. [2018-09-15 20:20:36,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-15 20:20:36,493 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 161 [2018-09-15 20:20:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:20:36,507 INFO L225 Difference]: With dead ends: 2721 [2018-09-15 20:20:36,507 INFO L226 Difference]: Without dead ends: 2293 [2018-09-15 20:20:36,514 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 94 SyntacticMatches, 48 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=435, Invalid=1635, Unknown=0, NotChecked=0, Total=2070 [2018-09-15 20:20:36,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2018-09-15 20:20:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2288. [2018-09-15 20:20:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2288 states. [2018-09-15 20:20:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 2688 transitions. [2018-09-15 20:20:36,614 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 2688 transitions. Word has length 161 [2018-09-15 20:20:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:20:36,615 INFO L480 AbstractCegarLoop]: Abstraction has 2288 states and 2688 transitions. [2018-09-15 20:20:36,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-15 20:20:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2688 transitions. [2018-09-15 20:20:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-09-15 20:20:36,630 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:20:36,630 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:20:36,633 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:20:36,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1930493892, now seen corresponding path program 1 times [2018-09-15 20:20:36,633 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:20:36,633 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-09-15 20:20:36,634 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [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 20:20:36,655 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:20:36,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:20:47,936 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:21:32,625 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:21:32,625 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 20:21:32,660 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:21:37,310 INFO L232 lantSequenceWeakener]: Weakened 301 states. On average, predicates are now at 78.04% of their original sizes. [2018-09-15 20:21:37,310 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:21:47,115 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:21:47,116 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:21:47,116 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 20:21:47,116 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:21:47,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 20:21:47,118 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 20:21:47,118 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-09-15 20:21:47,119 INFO L87 Difference]: Start difference. First operand 2288 states and 2688 transitions. Second operand 19 states. [2018-09-15 20:22:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:22:26,613 INFO L93 Difference]: Finished difference Result 4040 states and 6047 transitions. [2018-09-15 20:22:26,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-09-15 20:22:26,615 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2018-09-15 20:22:26,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:22:26,633 INFO L225 Difference]: With dead ends: 4040 [2018-09-15 20:22:26,633 INFO L226 Difference]: Without dead ends: 3612 [2018-09-15 20:22:26,638 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 326 GetRequests, 194 SyntacticMatches, 91 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=394, Invalid=1412, Unknown=0, NotChecked=0, Total=1806 [2018-09-15 20:22:26,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3612 states. [2018-09-15 20:22:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3612 to 3609. [2018-09-15 20:22:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3609 states. [2018-09-15 20:22:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 3609 states and 4062 transitions. [2018-09-15 20:22:26,759 INFO L78 Accepts]: Start accepts. Automaton has 3609 states and 4062 transitions. Word has length 303 [2018-09-15 20:22:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:22:26,760 INFO L480 AbstractCegarLoop]: Abstraction has 3609 states and 4062 transitions. [2018-09-15 20:22:26,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 20:22:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3609 states and 4062 transitions. [2018-09-15 20:22:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-09-15 20:22:26,769 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:22:26,769 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:26,770 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:22:26,770 INFO L82 PathProgramCache]: Analyzing trace with hash 25892372, now seen corresponding path program 1 times [2018-09-15 20:22:26,770 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:22:26,770 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-09-15 20:22:26,771 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [493], [495], [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 20:22:26,779 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:22:26,780 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:22:39,938 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:23:25,679 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:23:25,680 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 20:23:25,686 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:23:30,167 INFO L232 lantSequenceWeakener]: Weakened 338 states. On average, predicates are now at 77.95% of their original sizes. [2018-09-15 20:23:30,167 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:23:32,001 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:23:32,002 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:23:32,002 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-15 20:23:32,003 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:23:32,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-15 20:23:32,004 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-15 20:23:32,004 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2018-09-15 20:23:32,004 INFO L87 Difference]: Start difference. First operand 3609 states and 4062 transitions. Second operand 21 states. Received shutdown request... [2018-09-15 20:23:34,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 20:23:34,401 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:23:34,408 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:23:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:23:34 BoogieIcfgContainer [2018-09-15 20:23:34,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:23:34,409 INFO L168 Benchmark]: Toolchain (without parser) took 262710.77 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -321.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 20:23:34,411 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 20:23:34,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1416.59 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 20:23:34,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 314.82 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-09-15 20:23:34,414 INFO L168 Benchmark]: Boogie Preprocessor took 835.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 831.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -987.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2018-09-15 20:23:34,415 INFO L168 Benchmark]: RCFGBuilder took 6742.67 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 294.7 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2018-09-15 20:23:34,416 INFO L168 Benchmark]: TraceAbstraction took 253392.57 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.7 GB in the end (delta: 201.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-15 20:23:34,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1416.59 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 314.82 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 835.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 831.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -987.4 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6742.67 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 294.7 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253392.57 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.7 GB in the end (delta: 201.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 181). Cancelled while BasicCegarLoop was constructing difference of abstraction (3609states) and FLOYD_HOARE automaton (currently 7 states, 21 states before enhancement), while ReachableStatesComputation was computing reachable states (94 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 253.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 87.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1406 SDtfs, 10712 SDslu, 1443 SDs, 0 SdLazy, 15756 SolverSat, 1698 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 78.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 919 GetRequests, 668 SyntacticMatches, 139 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1808 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3609occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 134.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9960143023601179 AbsIntWeakeningRatio, 0.08554913294797688 AbsIntAvgWeakeningVarsNumRemoved, 22.1121387283237 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 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_label43_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-23-34-435.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label43_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-23-34-435.csv Completed graceful shutdown