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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:29:04,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:29:04,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:29:04,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:29:04,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:29:04,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:29:04,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:29:04,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:29:04,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:29:04,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:29:04,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:29:04,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:29:04,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:29:04,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:29:04,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:29:04,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:29:04,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:29:04,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:29:04,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:29:04,263 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:29:04,264 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:29:04,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:29:04,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 20:29:04,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:29:04,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:29:04,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:29:04,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:29:04,279 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:29:04,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:29:04,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:29:04,306 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:29:04,306 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:29:04,306 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:29:04,306 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:29:04,306 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:29:04,307 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:29:04,307 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:29:04,307 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:29:04,307 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:29:04,307 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:29:04,308 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:29:04,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:29:04,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:29:04,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:29:04,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:29:04,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:29:04,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:29:04,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:29:04,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:29:04,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:29:04,310 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:29:04,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:29:04,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:29:04,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:29:04,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:29:04,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:29:04,311 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:29:04,312 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:29:04,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:29:04,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:29:04,312 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:29:04,312 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:29:04,313 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:29:04,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:29:04,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:29:04,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:29:04,378 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:29:04,379 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:29:04,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-11-07 20:29:04,445 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c77e42/26ba1a9acfac49c3827f28432260de60/FLAGaf5484ca5 [2018-11-07 20:29:05,216 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:29:05,217 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-11-07 20:29:05,258 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c77e42/26ba1a9acfac49c3827f28432260de60/FLAGaf5484ca5 [2018-11-07 20:29:05,283 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c77e42/26ba1a9acfac49c3827f28432260de60 [2018-11-07 20:29:05,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:29:05,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:29:05,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:29:05,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:29:05,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:29:05,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:29:05" (1/1) ... [2018-11-07 20:29:05,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1557a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:05, skipping insertion in model container [2018-11-07 20:29:05,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:29:05" (1/1) ... [2018-11-07 20:29:05,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:29:05,499 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:29:06,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:29:06,973 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:29:07,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:29:07,763 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:29:07,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07 WrapperNode [2018-11-07 20:29:07,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:29:07,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:29:07,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:29:07,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:29:07,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:29:08,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:29:08,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:29:08,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:29:08,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (1/1) ... [2018-11-07 20:29:08,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:29:08,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:29:08,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:29:08,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:29:08,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (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 [2018-11-07 20:29:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:29:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:29:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:29:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 20:29:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 20:29:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 20:29:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 20:29:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 20:29:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 20:29:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:29:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:29:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:29:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:29:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:29:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:29:18,440 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:29:18,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:29:18 BoogieIcfgContainer [2018-11-07 20:29:18,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:29:18,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:29:18,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:29:18,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:29:18,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:29:05" (1/3) ... [2018-11-07 20:29:18,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9a8d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:29:18, skipping insertion in model container [2018-11-07 20:29:18,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:29:07" (2/3) ... [2018-11-07 20:29:18,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9a8d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:29:18, skipping insertion in model container [2018-11-07 20:29:18,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:29:18" (3/3) ... [2018-11-07 20:29:18,449 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label34_true-unreach-call.c [2018-11-07 20:29:18,460 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:29:18,470 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:29:18,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:29:18,538 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:29:18,539 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:29:18,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:29:18,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:29:18,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:29:18,539 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:29:18,539 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:29:18,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:29:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 20:29:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-07 20:29:18,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:29:18,596 INFO L375 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] [2018-11-07 20:29:18,599 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:29:18,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:29:18,605 INFO L82 PathProgramCache]: Analyzing trace with hash 784010707, now seen corresponding path program 1 times [2018-11-07 20:29:18,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:29:18,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:18,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:29:18,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:18,663 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:29:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:29:19,110 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:29:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:29:19,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:29:19,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:29:19,214 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:29:19,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:29:19,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:29:19,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:29:19,243 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-07 20:29:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:29:28,087 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-11-07 20:29:28,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:29:28,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-07 20:29:28,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:29:28,131 INFO L225 Difference]: With dead ends: 3093 [2018-11-07 20:29:28,132 INFO L226 Difference]: Without dead ends: 1971 [2018-11-07 20:29:28,144 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:29:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-11-07 20:29:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-11-07 20:29:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-11-07 20:29:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-11-07 20:29:28,331 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 63 [2018-11-07 20:29:28,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:29:28,333 INFO L480 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-11-07 20:29:28,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:29:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-11-07 20:29:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 20:29:28,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:29:28,342 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:29:28,342 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:29:28,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:29:28,343 INFO L82 PathProgramCache]: Analyzing trace with hash -666764916, now seen corresponding path program 1 times [2018-11-07 20:29:28,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:29:28,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:28,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:29:28,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:28,345 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:29:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:29:28,677 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:29:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:29:28,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:29:28,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:29:28,774 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:29:28,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:29:28,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:29:28,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:29:28,778 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-11-07 20:29:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:29:40,695 INFO L93 Difference]: Finished difference Result 5627 states and 10356 transitions. [2018-11-07 20:29:40,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:29:40,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-07 20:29:40,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:29:40,727 INFO L225 Difference]: With dead ends: 5627 [2018-11-07 20:29:40,727 INFO L226 Difference]: Without dead ends: 3676 [2018-11-07 20:29:40,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:29:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2018-11-07 20:29:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3643. [2018-11-07 20:29:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2018-11-07 20:29:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 5987 transitions. [2018-11-07 20:29:40,861 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 5987 transitions. Word has length 146 [2018-11-07 20:29:40,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:29:40,862 INFO L480 AbstractCegarLoop]: Abstraction has 3643 states and 5987 transitions. [2018-11-07 20:29:40,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:29:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 5987 transitions. [2018-11-07 20:29:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 20:29:40,876 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:29:40,876 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:29:40,879 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:29:40,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:29:40,879 INFO L82 PathProgramCache]: Analyzing trace with hash -646191812, now seen corresponding path program 1 times [2018-11-07 20:29:40,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:29:40,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:40,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:29:40,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:40,884 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:29:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:29:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:29:41,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:29:41,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:29:41,129 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:29:41,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:29:41,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:29:41,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:29:41,131 INFO L87 Difference]: Start difference. First operand 3643 states and 5987 transitions. Second operand 5 states. [2018-11-07 20:29:51,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:29:51,048 INFO L93 Difference]: Finished difference Result 10947 states and 18497 transitions. [2018-11-07 20:29:51,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 20:29:51,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2018-11-07 20:29:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:29:51,106 INFO L225 Difference]: With dead ends: 10947 [2018-11-07 20:29:51,106 INFO L226 Difference]: Without dead ends: 7310 [2018-11-07 20:29:51,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:29:51,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7310 states. [2018-11-07 20:29:51,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7310 to 7122. [2018-11-07 20:29:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7122 states. [2018-11-07 20:29:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7122 states to 7122 states and 10912 transitions. [2018-11-07 20:29:51,334 INFO L78 Accepts]: Start accepts. Automaton has 7122 states and 10912 transitions. Word has length 162 [2018-11-07 20:29:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:29:51,335 INFO L480 AbstractCegarLoop]: Abstraction has 7122 states and 10912 transitions. [2018-11-07 20:29:51,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:29:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 7122 states and 10912 transitions. [2018-11-07 20:29:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 20:29:51,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:29:51,341 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:29:51,341 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:29:51,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:29:51,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1378098232, now seen corresponding path program 1 times [2018-11-07 20:29:51,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:29:51,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:51,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:29:51,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:29:51,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:29:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:29:51,689 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:29:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:29:51,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:29:51,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:29:51,952 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:29:51,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:29:51,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:29:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:29:51,954 INFO L87 Difference]: Start difference. First operand 7122 states and 10912 transitions. Second operand 6 states. [2018-11-07 20:30:01,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:30:01,969 INFO L93 Difference]: Finished difference Result 19748 states and 31238 transitions. [2018-11-07 20:30:01,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:30:01,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-07 20:30:01,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:30:02,052 INFO L225 Difference]: With dead ends: 19748 [2018-11-07 20:30:02,052 INFO L226 Difference]: Without dead ends: 12632 [2018-11-07 20:30:02,096 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:30:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2018-11-07 20:30:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 12430. [2018-11-07 20:30:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12430 states. [2018-11-07 20:30:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 18009 transitions. [2018-11-07 20:30:02,424 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 18009 transitions. Word has length 199 [2018-11-07 20:30:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:30:02,425 INFO L480 AbstractCegarLoop]: Abstraction has 12430 states and 18009 transitions. [2018-11-07 20:30:02,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:30:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 18009 transitions. [2018-11-07 20:30:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-07 20:30:02,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:30:02,433 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:30:02,434 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:30:02,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:30:02,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1937080759, now seen corresponding path program 1 times [2018-11-07 20:30:02,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:30:02,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:02,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:30:02,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:02,436 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:30:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:30:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:30:02,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:30:02,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:30:02,881 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:30:02,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:30:02,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:30:02,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:30:02,885 INFO L87 Difference]: Start difference. First operand 12430 states and 18009 transitions. Second operand 6 states. [2018-11-07 20:30:16,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:30:16,735 INFO L93 Difference]: Finished difference Result 42981 states and 69563 transitions. [2018-11-07 20:30:16,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 20:30:16,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-11-07 20:30:16,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:30:16,928 INFO L225 Difference]: With dead ends: 42981 [2018-11-07 20:30:16,928 INFO L226 Difference]: Without dead ends: 30557 [2018-11-07 20:30:17,014 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:30:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30557 states. [2018-11-07 20:30:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30557 to 30318. [2018-11-07 20:30:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30318 states. [2018-11-07 20:30:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 43989 transitions. [2018-11-07 20:30:18,101 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 43989 transitions. Word has length 221 [2018-11-07 20:30:18,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:30:18,101 INFO L480 AbstractCegarLoop]: Abstraction has 30318 states and 43989 transitions. [2018-11-07 20:30:18,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:30:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 43989 transitions. [2018-11-07 20:30:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-07 20:30:18,117 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:30:18,118 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:30:18,118 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:30:18,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:30:18,119 INFO L82 PathProgramCache]: Analyzing trace with hash -561084943, now seen corresponding path program 1 times [2018-11-07 20:30:18,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:30:18,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:18,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:30:18,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:18,120 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:30:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:30:18,436 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:30:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:30:18,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:30:18,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:30:18,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:30:18,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:30:18,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:30:18,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:30:18,751 INFO L87 Difference]: Start difference. First operand 30318 states and 43989 transitions. Second operand 6 states. [2018-11-07 20:30:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:30:29,181 INFO L93 Difference]: Finished difference Result 73864 states and 116117 transitions. [2018-11-07 20:30:29,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:30:29,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-11-07 20:30:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:30:29,395 INFO L225 Difference]: With dead ends: 73864 [2018-11-07 20:30:29,395 INFO L226 Difference]: Without dead ends: 43552 [2018-11-07 20:30:29,506 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:30:29,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43552 states. [2018-11-07 20:30:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43552 to 43242. [2018-11-07 20:30:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43242 states. [2018-11-07 20:30:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43242 states to 43242 states and 61380 transitions. [2018-11-07 20:30:30,579 INFO L78 Accepts]: Start accepts. Automaton has 43242 states and 61380 transitions. Word has length 244 [2018-11-07 20:30:30,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:30:30,580 INFO L480 AbstractCegarLoop]: Abstraction has 43242 states and 61380 transitions. [2018-11-07 20:30:30,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:30:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43242 states and 61380 transitions. [2018-11-07 20:30:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-07 20:30:30,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:30:30,602 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:30:30,602 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:30:30,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:30:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1537806897, now seen corresponding path program 1 times [2018-11-07 20:30:30,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:30:30,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:30,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:30:30,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:30:30,605 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:30:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:30:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 20:30:30,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:30:30,994 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:30:30,995 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-11-07 20:30:30,997 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3257], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3285], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 20:30:31,044 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:30:31,045 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:30:31,869 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:30:31,871 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 20:30:31,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:30:31,903 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:30:32,977 INFO L227 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 71.68% of their original sizes. [2018-11-07 20:30:32,978 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:30:33,314 INFO L415 sIntCurrentIteration]: We unified 267 AI predicates to 267 [2018-11-07 20:30:33,315 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:30:33,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:30:33,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-07 20:30:33,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:30:33,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:30:33,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:30:33,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:30:33,317 INFO L87 Difference]: Start difference. First operand 43242 states and 61380 transitions. Second operand 11 states. [2018-11-07 20:30:50,101 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:32:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:32:28,246 INFO L93 Difference]: Finished difference Result 87287 states and 123666 transitions. [2018-11-07 20:32:28,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 20:32:28,246 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 268 [2018-11-07 20:32:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:32:28,371 INFO L225 Difference]: With dead ends: 87287 [2018-11-07 20:32:28,371 INFO L226 Difference]: Without dead ends: 44051 [2018-11-07 20:32:28,482 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-11-07 20:32:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44051 states. [2018-11-07 20:32:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44051 to 44046. [2018-11-07 20:32:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44046 states. [2018-11-07 20:32:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44046 states to 44046 states and 62195 transitions. [2018-11-07 20:32:29,350 INFO L78 Accepts]: Start accepts. Automaton has 44046 states and 62195 transitions. Word has length 268 [2018-11-07 20:32:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:32:29,351 INFO L480 AbstractCegarLoop]: Abstraction has 44046 states and 62195 transitions. [2018-11-07 20:32:29,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:32:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 44046 states and 62195 transitions. [2018-11-07 20:32:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-07 20:32:29,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:32:29,377 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:32:29,377 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:32:29,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:32:29,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2069287716, now seen corresponding path program 1 times [2018-11-07 20:32:29,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:32:29,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:32:29,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:32:29,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:32:29,379 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:32:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:32:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-07 20:32:29,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:32:29,923 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:32:29,923 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 370 with the following transitions: [2018-11-07 20:32:29,924 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3257], [3258], [3262], [3265], [3266], [3270], [3274], [3278], [3282], [3285], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 20:32:29,929 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:32:29,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2)