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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:57:40,354 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:57:40,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:57:40,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:57:40,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:57:40,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:57:40,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:57:40,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:57:40,375 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:57:40,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:57:40,377 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:57:40,377 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:57:40,378 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:57:40,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:57:40,380 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:57:40,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:57:40,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:57:40,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:57:40,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:57:40,388 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:57:40,389 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:57:40,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:57:40,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:57:40,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:57:40,393 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:57:40,395 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:57:40,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:57:40,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:57:40,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:57:40,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:57:40,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:57:40,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 12:57:40,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 12:57:40,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 12:57:40,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 12:57:40,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 12:57:40,403 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.epf [2018-11-07 12:57:40,419 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:57:40,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:57:40,420 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:57:40,421 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:57:40,421 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:57:40,421 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:57:40,421 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:57:40,421 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:57:40,422 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:57:40,422 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:57:40,422 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:57:40,422 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:57:40,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:57:40,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:57:40,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:57:40,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:57:40,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:57:40,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:57:40,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:57:40,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:57:40,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:57:40,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:57:40,425 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:57:40,425 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:57:40,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:57:40,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:57:40,426 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:57:40,426 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:57:40,426 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:57:40,426 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:57:40,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:57:40,427 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:57:40,427 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:57:40,427 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:57:40,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:57:40,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:57:40,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:57:40,506 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:57:40,506 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:57:40,507 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label03_true-unreach-call.c [2018-11-07 12:57:40,575 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54f5dcd9/2616b41087f74ab0855216cb514346db/FLAG3dfa3feff [2018-11-07 12:57:41,240 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:57:41,241 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label03_true-unreach-call.c [2018-11-07 12:57:41,262 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54f5dcd9/2616b41087f74ab0855216cb514346db/FLAG3dfa3feff [2018-11-07 12:57:41,282 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54f5dcd9/2616b41087f74ab0855216cb514346db [2018-11-07 12:57:41,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:57:41,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:57:41,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:57:41,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:57:41,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:57:41,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:41" (1/1) ... [2018-11-07 12:57:41,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56927dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41, skipping insertion in model container [2018-11-07 12:57:41,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:41" (1/1) ... [2018-11-07 12:57:41,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:57:41,417 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:57:42,224 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:57:42,230 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:57:42,495 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:57:42,519 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:57:42,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42 WrapperNode [2018-11-07 12:57:42,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:57:42,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:57:42,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:57:42,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:57:42,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:57:42,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:57:42,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:57:42,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:57:42,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (1/1) ... [2018-11-07 12:57:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:57:42,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:57:42,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:57:42,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:57:42,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (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 12:57:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:57:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:57:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:57:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:57:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:57:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:57:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:57:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:57:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:57:48,048 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:57:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:48 BoogieIcfgContainer [2018-11-07 12:57:48,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:57:48,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:57:48,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:57:48,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:57:48,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:57:41" (1/3) ... [2018-11-07 12:57:48,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843be26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:48, skipping insertion in model container [2018-11-07 12:57:48,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:42" (2/3) ... [2018-11-07 12:57:48,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843be26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:48, skipping insertion in model container [2018-11-07 12:57:48,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:48" (3/3) ... [2018-11-07 12:57:48,059 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label03_true-unreach-call.c [2018-11-07 12:57:48,070 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:57:48,080 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:57:48,099 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:57:48,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:57:48,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:57:48,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:57:48,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:57:48,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:57:48,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:57:48,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:57:48,142 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:57:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-07 12:57:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-07 12:57:48,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:57:48,194 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:48,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:57:48,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:48,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1304680716, now seen corresponding path program 1 times [2018-11-07 12:57:48,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:57:48,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:48,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:48,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:57:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:49,098 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:57:49,366 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 12:57:49,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:57:49,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:57:49,369 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:57:49,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:57:49,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:57:49,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:57:49,398 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-11-07 12:57:51,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:57:51,465 INFO L93 Difference]: Finished difference Result 845 states and 1487 transitions. [2018-11-07 12:57:51,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:57:51,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-11-07 12:57:51,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:57:51,494 INFO L225 Difference]: With dead ends: 845 [2018-11-07 12:57:51,494 INFO L226 Difference]: Without dead ends: 531 [2018-11-07 12:57:51,509 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:57:51,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-07 12:57:51,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 530. [2018-11-07 12:57:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-07 12:57:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 869 transitions. [2018-11-07 12:57:51,652 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 869 transitions. Word has length 171 [2018-11-07 12:57:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:57:51,654 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 869 transitions. [2018-11-07 12:57:51,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:57:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 869 transitions. [2018-11-07 12:57:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-07 12:57:51,672 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:57:51,673 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:57:51,673 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:57:51,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:51,677 INFO L82 PathProgramCache]: Analyzing trace with hash 211800901, now seen corresponding path program 1 times [2018-11-07 12:57:51,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:57:51,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:51,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:51,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:51,681 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:57:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:57:51,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:57:52,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:57:52,000 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:57:52,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:57:52,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:57:52,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:57:52,003 INFO L87 Difference]: Start difference. First operand 530 states and 869 transitions. Second operand 6 states. [2018-11-07 12:57:56,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:57:56,192 INFO L93 Difference]: Finished difference Result 1599 states and 2688 transitions. [2018-11-07 12:57:56,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 12:57:56,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-11-07 12:57:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:57:56,206 INFO L225 Difference]: With dead ends: 1599 [2018-11-07 12:57:56,206 INFO L226 Difference]: Without dead ends: 1075 [2018-11-07 12:57:56,209 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:57:56,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-11-07 12:57:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1034. [2018-11-07 12:57:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-07 12:57:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1689 transitions. [2018-11-07 12:57:56,276 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1689 transitions. Word has length 181 [2018-11-07 12:57:56,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:57:56,276 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1689 transitions. [2018-11-07 12:57:56,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:57:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1689 transitions. [2018-11-07 12:57:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-07 12:57:56,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:57:56,281 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:57:56,282 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:57:56,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:56,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1978156296, now seen corresponding path program 1 times [2018-11-07 12:57:56,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:57:56,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:56,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:56,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:56,284 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:57:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:57:56,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:57:56,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:57:56,640 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:57:56,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:57:56,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:57:56,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:57:56,643 INFO L87 Difference]: Start difference. First operand 1034 states and 1689 transitions. Second operand 3 states. [2018-11-07 12:57:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:57:59,154 INFO L93 Difference]: Finished difference Result 2915 states and 4931 transitions. [2018-11-07 12:57:59,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:57:59,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-11-07 12:57:59,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:57:59,176 INFO L225 Difference]: With dead ends: 2915 [2018-11-07 12:57:59,176 INFO L226 Difference]: Without dead ends: 1887 [2018-11-07 12:57:59,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:57:59,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-11-07 12:57:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1880. [2018-11-07 12:57:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2018-11-07 12:57:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2986 transitions. [2018-11-07 12:57:59,260 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2986 transitions. Word has length 184 [2018-11-07 12:57:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:57:59,261 INFO L480 AbstractCegarLoop]: Abstraction has 1880 states and 2986 transitions. [2018-11-07 12:57:59,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:57:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2986 transitions. [2018-11-07 12:57:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-07 12:57:59,270 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:57:59,270 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:57:59,271 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:57:59,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:59,271 INFO L82 PathProgramCache]: Analyzing trace with hash 88085177, now seen corresponding path program 1 times [2018-11-07 12:57:59,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:57:59,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:59,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:59,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:59,273 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:57:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:57:59,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:57:59,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:57:59,529 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:57:59,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:57:59,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:57:59,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:57:59,530 INFO L87 Difference]: Start difference. First operand 1880 states and 2986 transitions. Second operand 6 states. [2018-11-07 12:58:01,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:58:01,712 INFO L93 Difference]: Finished difference Result 6020 states and 10195 transitions. [2018-11-07 12:58:01,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:58:01,719 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2018-11-07 12:58:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:58:01,748 INFO L225 Difference]: With dead ends: 6020 [2018-11-07 12:58:01,749 INFO L226 Difference]: Without dead ends: 4146 [2018-11-07 12:58:01,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:58:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2018-11-07 12:58:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 4038. [2018-11-07 12:58:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4038 states. [2018-11-07 12:58:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 6154 transitions. [2018-11-07 12:58:01,900 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 6154 transitions. Word has length 191 [2018-11-07 12:58:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:58:01,901 INFO L480 AbstractCegarLoop]: Abstraction has 4038 states and 6154 transitions. [2018-11-07 12:58:01,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:58:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 6154 transitions. [2018-11-07 12:58:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-07 12:58:01,915 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:58:01,915 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:58:01,916 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:58:01,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:58:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1314408798, now seen corresponding path program 1 times [2018-11-07 12:58:01,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:58:01,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:58:01,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:58:01,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:58:01,918 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:58:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:58:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:58:02,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:58:02,318 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:58:02,319 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-07 12:58:02,322 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [829], [831], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 12:58:02,385 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:58:02,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:58:24,072 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:58:24,075 INFO L272 AbstractInterpreter]: Visited 172 different actions 172 times. Never merged. Never widened. Never found a fixpoint. Largest state had 88 variables. [2018-11-07 12:58:24,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:58:24,119 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:58:38,665 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 71.72% of their original sizes. [2018-11-07 12:58:38,666 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:58:39,462 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-07 12:58:39,463 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:58:39,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:58:39,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 12:58:39,465 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:58:39,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 12:58:39,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 12:58:39,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-11-07 12:58:39,466 INFO L87 Difference]: Start difference. First operand 4038 states and 6154 transitions. Second operand 15 states. [2018-11-07 12:59:14,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:59:14,777 INFO L93 Difference]: Finished difference Result 8280 states and 12606 transitions. [2018-11-07 12:59:14,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 12:59:14,777 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 209 [2018-11-07 12:59:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:59:14,801 INFO L225 Difference]: With dead ends: 8280 [2018-11-07 12:59:14,801 INFO L226 Difference]: Without dead ends: 4248 [2018-11-07 12:59:14,816 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:59:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4248 states. [2018-11-07 12:59:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4248 to 4246. [2018-11-07 12:59:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4246 states. [2018-11-07 12:59:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 4246 states and 6370 transitions. [2018-11-07 12:59:14,933 INFO L78 Accepts]: Start accepts. Automaton has 4246 states and 6370 transitions. Word has length 209 [2018-11-07 12:59:14,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:59:14,934 INFO L480 AbstractCegarLoop]: Abstraction has 4246 states and 6370 transitions. [2018-11-07 12:59:14,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 12:59:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states and 6370 transitions. [2018-11-07 12:59:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-07 12:59:14,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:59:14,949 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:59:14,950 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:59:14,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:59:14,950 INFO L82 PathProgramCache]: Analyzing trace with hash -628104531, now seen corresponding path program 1 times [2018-11-07 12:59:14,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:59:14,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:59:14,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:59:14,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:59:14,952 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:59:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:59:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:59:15,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:59:15,460 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:59:15,461 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-07 12:59:15,461 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [829], [831], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 12:59:15,472 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:59:15,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 13:00:50,082 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 13:00:50,082 INFO L272 AbstractInterpreter]: Visited 176 different actions 344 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-07 13:00:50,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 13:00:50,094 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 13:00:50,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 13:00:50,094 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 13:00:50,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 13:00:50,107 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 13:00:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 13:00:50,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 13:00:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-07 13:00:50,594 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 13:00:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-07 13:00:51,107 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 13:00:51,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-07 13:00:51,111 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 13:00:51,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 13:00:51,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 13:00:51,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 13:00:51,113 INFO L87 Difference]: Start difference. First operand 4246 states and 6370 transitions. Second operand 3 states. [2018-11-07 13:00:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 13:00:53,927 INFO L93 Difference]: Finished difference Result 12102 states and 18948 transitions. [2018-11-07 13:00:53,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 13:00:53,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2018-11-07 13:00:53,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 13:00:53,972 INFO L225 Difference]: With dead ends: 12102 [2018-11-07 13:00:53,972 INFO L226 Difference]: Without dead ends: 8070 [2018-11-07 13:00:53,991 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-07 13:00:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8070 states. [2018-11-07 13:00:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8070 to 8032. [2018-11-07 13:00:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8032 states. [2018-11-07 13:00:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8032 states to 8032 states and 12234 transitions. [2018-11-07 13:00:54,218 INFO L78 Accepts]: Start accepts. Automaton has 8032 states and 12234 transitions. Word has length 218 [2018-11-07 13:00:54,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 13:00:54,219 INFO L480 AbstractCegarLoop]: Abstraction has 8032 states and 12234 transitions. [2018-11-07 13:00:54,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 13:00:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 8032 states and 12234 transitions. [2018-11-07 13:00:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-07 13:00:54,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 13:00:54,249 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:54,250 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 13:00:54,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 13:00:54,250 INFO L82 PathProgramCache]: Analyzing trace with hash 837304473, now seen corresponding path program 1 times [2018-11-07 13:00:54,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 13:00:54,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 13:00:54,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 13:00:54,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 13:00:54,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 13:00:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 13:00:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 67 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-07 13:00:54,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 13:00:54,638 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 13:00:54,639 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-07 13:00:54,639 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [10], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [829], [831], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-07 13:00:54,657 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 13:00:54,657 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown