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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:39:51,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:39:51,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:39:51,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:39:51,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:39:51,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:39:51,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:39:51,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:39:51,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:39:51,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:39:51,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:39:51,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:39:51,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:39:51,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:39:51,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:39:51,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:39:51,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:39:51,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:39:51,174 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:39:51,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:39:51,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:39:51,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:39:51,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:39:51,184 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:39:51,184 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:39:51,185 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:39:51,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:39:51,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:39:51,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:39:51,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:39:51,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:39:51,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:39:51,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:39:51,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:39:51,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:39:51,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:39:51,195 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:39:51,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:39:51,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:39:51,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:39:51,227 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:39:51,227 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:39:51,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:39:51,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:39:51,231 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:39:51,231 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:39:51,231 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:39:51,231 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:39:51,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:39:51,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:39:51,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:39:51,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:39:51,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:39:51,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:39:51,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:39:51,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:39:51,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:39:51,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:39:51,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:39:51,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:39:51,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:39:51,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:39:51,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:39:51,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:39:51,237 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:39:51,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:39:51,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:39:51,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:39:51,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:39:51,324 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:39:51,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-09-15 11:39:51,685 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180bc5676/8ff915fc5e0c4143b5e9304bbfa2f2f1/FLAGe660c1fc2 [2018-09-15 11:39:51,990 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:39:51,991 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label53_true-unreach-call.c [2018-09-15 11:39:52,008 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180bc5676/8ff915fc5e0c4143b5e9304bbfa2f2f1/FLAGe660c1fc2 [2018-09-15 11:39:52,026 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180bc5676/8ff915fc5e0c4143b5e9304bbfa2f2f1 [2018-09-15 11:39:52,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:39:52,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:39:52,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:39:52,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:39:52,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:39:52,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:39:52" (1/1) ... [2018-09-15 11:39:52,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:52, skipping insertion in model container [2018-09-15 11:39:52,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:39:52" (1/1) ... [2018-09-15 11:39:52,075 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:39:52,784 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:39:52,806 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:39:52,990 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:39:53,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53 WrapperNode [2018-09-15 11:39:53,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:39:53,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:39:53,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:39:53,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:39:53,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:39:53,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:39:53,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:39:53,251 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:39:53,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (1/1) ... [2018-09-15 11:39:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:39:53,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:39:53,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:39:53,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:39:53,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (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 11:39:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:39:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:39:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:39:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:39:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:39:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:39:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:39:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:39:58,440 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:39:58,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:39:58 BoogieIcfgContainer [2018-09-15 11:39:58,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:39:58,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:39:58,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:39:58,446 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:39:58,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:39:52" (1/3) ... [2018-09-15 11:39:58,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18414cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:39:58, skipping insertion in model container [2018-09-15 11:39:58,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:39:53" (2/3) ... [2018-09-15 11:39:58,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18414cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:39:58, skipping insertion in model container [2018-09-15 11:39:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:39:58" (3/3) ... [2018-09-15 11:39:58,451 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label53_true-unreach-call.c [2018-09-15 11:39:58,462 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:39:58,476 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:39:58,534 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:39:58,534 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:39:58,535 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:39:58,535 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:39:58,535 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:39:58,535 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:39:58,535 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:39:58,535 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:39:58,536 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:39:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 11:39:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-15 11:39:58,574 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:39:58,575 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:39:58,577 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:39:58,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1916491172, now seen corresponding path program 1 times [2018-09-15 11:39:58,585 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:39:58,586 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-09-15 11:39:58,589 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 11:39:58,680 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:39:58,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:40:01,600 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:40:01,602 INFO L272 AbstractInterpreter]: Visited 53 different actions 53 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 11:40:01,619 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:40:02,728 INFO L232 lantSequenceWeakener]: Weakened 52 states. On average, predicates are now at 75.5% of their original sizes. [2018-09-15 11:40:02,729 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:40:03,100 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:40:03,102 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:40:03,103 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:40:03,103 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:40:03,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:40:03,119 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:40:03,120 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:40:03,123 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 11:40:09,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:40:09,438 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 11:40:09,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:40:09,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-09-15 11:40:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:40:09,458 INFO L225 Difference]: With dead ends: 776 [2018-09-15 11:40:09,458 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 11:40:09,466 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:40:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 11:40:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 11:40:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 11:40:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 11:40:09,549 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 54 [2018-09-15 11:40:09,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:40:09,550 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 11:40:09,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:40:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 11:40:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-15 11:40:09,559 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:40:09,560 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:40:09,560 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:40:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1026222291, now seen corresponding path program 1 times [2018-09-15 11:40:09,561 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:40:09,561 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-09-15 11:40:09,562 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:40:09,571 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:40:09,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:40:17,161 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:41:28,035 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:41:28,035 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. [2018-09-15 11:41:28,081 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:41:47,679 INFO L232 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 73.89% of their original sizes. [2018-09-15 11:41:47,679 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:41:50,210 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:41:50,210 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:41:50,211 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:41:50,211 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:41:50,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:41:50,214 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:41:50,214 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:41:50,214 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-15 11:42:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:42:04,191 INFO L93 Difference]: Finished difference Result 957 states and 1541 transitions. [2018-09-15 11:42:04,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:42:04,193 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2018-09-15 11:42:04,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:42:04,200 INFO L225 Difference]: With dead ends: 957 [2018-09-15 11:42:04,201 INFO L226 Difference]: Without dead ends: 674 [2018-09-15 11:42:04,204 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 119 SyntacticMatches, 42 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:42:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-09-15 11:42:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2018-09-15 11:42:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-09-15 11:42:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2018-09-15 11:42:04,251 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 171 [2018-09-15 11:42:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:42:04,252 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2018-09-15 11:42:04,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:42:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2018-09-15 11:42:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-15 11:42:04,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:42:04,258 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:42:04,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:42:04,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1319545785, now seen corresponding path program 1 times [2018-09-15 11:42:04,259 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:42:04,259 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-09-15 11:42:04,260 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:42:04,271 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:42:04,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:42:45,929 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:42:45,929 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:42:45,934 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:43:04,237 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.84% of their original sizes. [2018-09-15 11:43:04,238 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:43:06,359 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:43:06,360 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:43:06,360 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:43:06,360 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:43:06,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:43:06,362 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:43:06,362 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:43:06,362 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand 11 states. [2018-09-15 11:43:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:43:26,719 INFO L93 Difference]: Finished difference Result 1149 states and 1747 transitions. [2018-09-15 11:43:26,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:43:26,722 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2018-09-15 11:43:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:43:26,728 INFO L225 Difference]: With dead ends: 1149 [2018-09-15 11:43:26,728 INFO L226 Difference]: Without dead ends: 866 [2018-09-15 11:43:26,730 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 129 SyntacticMatches, 42 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:43:26,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-09-15 11:43:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 861. [2018-09-15 11:43:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 11:43:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1092 transitions. [2018-09-15 11:43:26,770 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1092 transitions. Word has length 181 [2018-09-15 11:43:26,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:43:26,771 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1092 transitions. [2018-09-15 11:43:26,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:43:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1092 transitions. [2018-09-15 11:43:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-15 11:43:26,777 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:43:26,777 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:43:26,778 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:43:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1295536735, now seen corresponding path program 1 times [2018-09-15 11:43:26,778 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:43:26,778 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-09-15 11:43:26,779 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:43:26,785 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:43:26,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:44:06,400 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:44:06,400 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:44:06,409 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown