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_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:56:52,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:56:52,029 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:56:52,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:56:52,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:56:52,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:56:52,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:56:52,055 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:56:52,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:56:52,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:56:52,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:56:52,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:56:52,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:56:52,065 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:56:52,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:56:52,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:56:52,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:56:52,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:56:52,083 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:56:52,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:56:52,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:56:52,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:56:52,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:56:52,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:56:52,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:56:52,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:56:52,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:56:52,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:56:52,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:56:52,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:56:52,100 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:56:52,101 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:56:52,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:56:52,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:56:52,104 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:56:52,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:56:52,105 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 [2018-11-12 18:56:52,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:56:52,134 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:56:52,135 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:56:52,135 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:56:52,135 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:56:52,136 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:56:52,137 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:56:52,137 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:56:52,137 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:56:52,137 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:56:52,137 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:56:52,140 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:56:52,140 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:56:52,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:56:52,141 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:56:52,141 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:56:52,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:56:52,142 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:56:52,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:56:52,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:56:52,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:56:52,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:56:52,143 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:56:52,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:56:52,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:56:52,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:56:52,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:56:52,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:56:52,145 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:56:52,145 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:56:52,146 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:56:52,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:56:52,146 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:56:52,146 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:56:52,147 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:56:52,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:56:52,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:56:52,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:56:52,225 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:56:52,225 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:56:52,226 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-11-12 18:56:52,302 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b57cad/3266141bf17b464d8b29e022574aff76/FLAG32b2b2e03 [2018-11-12 18:56:53,184 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:56:53,185 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-11-12 18:56:53,228 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b57cad/3266141bf17b464d8b29e022574aff76/FLAG32b2b2e03 [2018-11-12 18:56:53,245 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97b57cad/3266141bf17b464d8b29e022574aff76 [2018-11-12 18:56:53,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:56:53,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:56:53,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:56:53,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:56:53,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:56:53,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:56:53" (1/1) ... [2018-11-12 18:56:53,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7008f5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:53, skipping insertion in model container [2018-11-12 18:56:53,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:56:53" (1/1) ... [2018-11-12 18:56:53,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:56:53,470 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:56:54,894 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:56:54,900 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:56:55,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:56:55,752 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:56:55,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55 WrapperNode [2018-11-12 18:56:55,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:56:55,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:56:55,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:56:55,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:56:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:56:56,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:56:56,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:56:56,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:56:56,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (1/1) ... [2018-11-12 18:56:56,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:56:56,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:56:56,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:56:56,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:56:56,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (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 [2018-11-12 18:56:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:56:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:56:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:56:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 18:56:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 18:56:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 18:56:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 18:56:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 18:56:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 18:56:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:56:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:56:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:56:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:56:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:56:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:57:06,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:57:06,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:57:06 BoogieIcfgContainer [2018-11-12 18:57:06,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:57:06,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:57:06,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:57:06,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:57:06,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:56:53" (1/3) ... [2018-11-12 18:57:06,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb5a279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:57:06, skipping insertion in model container [2018-11-12 18:57:06,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:56:55" (2/3) ... [2018-11-12 18:57:06,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb5a279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:57:06, skipping insertion in model container [2018-11-12 18:57:06,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:57:06" (3/3) ... [2018-11-12 18:57:06,430 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label27_true-unreach-call.c [2018-11-12 18:57:06,441 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:57:06,452 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:57:06,470 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:57:06,527 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:57:06,528 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:57:06,528 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:57:06,528 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:57:06,528 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:57:06,528 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:57:06,529 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:57:06,529 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:57:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-12 18:57:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-12 18:57:06,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:57:06,602 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] [2018-11-12 18:57:06,606 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:57:06,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:57:06,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1638036668, now seen corresponding path program 1 times [2018-11-12 18:57:06,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:57:06,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:06,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:57:06,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:06,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:57:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:57:07,125 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:57:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:57:07,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:57:07,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:57:07,256 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:57:07,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:57:07,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:57:07,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:57:07,282 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-12 18:57:15,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:57:15,291 INFO L93 Difference]: Finished difference Result 3104 states and 5729 transitions. [2018-11-12 18:57:15,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:57:15,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-12 18:57:15,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:57:15,327 INFO L225 Difference]: With dead ends: 3104 [2018-11-12 18:57:15,327 INFO L226 Difference]: Without dead ends: 1982 [2018-11-12 18:57:15,337 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 [2018-11-12 18:57:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-11-12 18:57:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1965. [2018-11-12 18:57:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-11-12 18:57:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3515 transitions. [2018-11-12 18:57:15,530 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3515 transitions. Word has length 52 [2018-11-12 18:57:15,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:57:15,531 INFO L480 AbstractCegarLoop]: Abstraction has 1965 states and 3515 transitions. [2018-11-12 18:57:15,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:57:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3515 transitions. [2018-11-12 18:57:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-12 18:57:15,545 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:57:15,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:57:15,546 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:57:15,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:57:15,546 INFO L82 PathProgramCache]: Analyzing trace with hash -228599944, now seen corresponding path program 1 times [2018-11-12 18:57:15,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:57:15,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:15,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:57:15,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:15,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:57:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:57:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:57:15,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:57:15,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:57:15,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:57:15,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:57:15,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:57:15,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:57:15,856 INFO L87 Difference]: Start difference. First operand 1965 states and 3515 transitions. Second operand 5 states. [2018-11-12 18:57:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:57:28,331 INFO L93 Difference]: Finished difference Result 5645 states and 10294 transitions. [2018-11-12 18:57:28,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:57:28,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-11-12 18:57:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:57:28,363 INFO L225 Difference]: With dead ends: 5645 [2018-11-12 18:57:28,363 INFO L226 Difference]: Without dead ends: 3686 [2018-11-12 18:57:28,370 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:57:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2018-11-12 18:57:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3654. [2018-11-12 18:57:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2018-11-12 18:57:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5960 transitions. [2018-11-12 18:57:28,489 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5960 transitions. Word has length 122 [2018-11-12 18:57:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:57:28,490 INFO L480 AbstractCegarLoop]: Abstraction has 3654 states and 5960 transitions. [2018-11-12 18:57:28,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:57:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5960 transitions. [2018-11-12 18:57:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-12 18:57:28,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:57:28,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:57:28,496 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:57:28,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:57:28,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1612728044, now seen corresponding path program 1 times [2018-11-12 18:57:28,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:57:28,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:28,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:57:28,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:28,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:57:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:57:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:57:28,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:57:28,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:57:28,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:57:28,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:57:28,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:57:28,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:57:28,696 INFO L87 Difference]: Start difference. First operand 3654 states and 5960 transitions. Second operand 5 states. [2018-11-12 18:57:37,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:57:37,740 INFO L93 Difference]: Finished difference Result 10919 states and 18331 transitions. [2018-11-12 18:57:37,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 18:57:37,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-11-12 18:57:37,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:57:37,786 INFO L225 Difference]: With dead ends: 10919 [2018-11-12 18:57:37,786 INFO L226 Difference]: Without dead ends: 7271 [2018-11-12 18:57:37,800 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:57:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2018-11-12 18:57:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 7118. [2018-11-12 18:57:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7118 states. [2018-11-12 18:57:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10839 transitions. [2018-11-12 18:57:38,008 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10839 transitions. Word has length 124 [2018-11-12 18:57:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:57:38,009 INFO L480 AbstractCegarLoop]: Abstraction has 7118 states and 10839 transitions. [2018-11-12 18:57:38,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:57:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10839 transitions. [2018-11-12 18:57:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-12 18:57:38,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:57:38,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:57:38,015 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:57:38,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:57:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1125748408, now seen corresponding path program 1 times [2018-11-12 18:57:38,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:57:38,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:38,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:57:38,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:57:38,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:57:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:57:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-12 18:57:38,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:57:38,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:57:38,448 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-11-12 18:57:38,457 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], [2943], [2945], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [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], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 18:57:38,534 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:57:38,536 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:57:39,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:57:39,347 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Performed 2094 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 18:57:39,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:57:39,392 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:57:40,007 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 72.1% of their original sizes. [2018-11-12 18:57:40,007 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:57:40,615 INFO L415 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-11-12 18:57:40,616 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:57:40,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:57:40,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-12 18:57:40,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:57:40,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:57:40,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:57:40,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:57:40,619 INFO L87 Difference]: Start difference. First operand 7118 states and 10839 transitions. Second operand 10 states. [2018-11-12 18:57:52,861 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:58:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:58:36,058 INFO L93 Difference]: Finished difference Result 15039 states and 22691 transitions. [2018-11-12 18:58:36,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-12 18:58:36,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2018-11-12 18:58:36,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:58:36,090 INFO L225 Difference]: With dead ends: 15039 [2018-11-12 18:58:36,091 INFO L226 Difference]: Without dead ends: 7927 [2018-11-12 18:58:36,111 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-11-12 18:58:36,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7927 states. [2018-11-12 18:58:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7927 to 7922. [2018-11-12 18:58:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7922 states. [2018-11-12 18:58:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7922 states to 7922 states and 11653 transitions. [2018-11-12 18:58:36,297 INFO L78 Accepts]: Start accepts. Automaton has 7922 states and 11653 transitions. Word has length 146 [2018-11-12 18:58:36,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:58:36,298 INFO L480 AbstractCegarLoop]: Abstraction has 7922 states and 11653 transitions. [2018-11-12 18:58:36,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:58:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7922 states and 11653 transitions. [2018-11-12 18:58:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-12 18:58:36,302 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:58:36,302 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:58:36,303 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:58:36,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:58:36,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1793603556, now seen corresponding path program 1 times [2018-11-12 18:58:36,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:58:36,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:58:36,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:58:36,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:58:36,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:58:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:58:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-12 18:58:36,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:58:36,675 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:58:36,675 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-12 18:58:36,675 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], [2943], [2945], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [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], [3237], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 18:58:36,680 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:58:36,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:58:37,125 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:58:49,297 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:58:49,297 INFO L272 AbstractInterpreter]: Visited 109 different actions 425 times. Merged at 7 different actions 22 times. Never widened. Performed 7041 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7041 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 2 different actions. Largest state had 26 variables. [2018-11-12 18:58:49,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:58:49,329 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:58:50,332 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 72.74% of their original sizes. [2018-11-12 18:58:50,332 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:58:53,876 INFO L415 sIntCurrentIteration]: We unified 246 AI predicates to 246 [2018-11-12 18:58:53,876 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:58:53,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:58:53,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [5] total 22 [2018-11-12 18:58:53,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:58:53,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 18:58:53,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 18:58:53,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-11-12 18:58:53,879 INFO L87 Difference]: Start difference. First operand 7922 states and 11653 transitions. Second operand 19 states. [2018-11-12 18:59:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:59:59,712 INFO L93 Difference]: Finished difference Result 17249 states and 25423 transitions. [2018-11-12 18:59:59,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-12 18:59:59,712 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 247 [2018-11-12 18:59:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:59:59,761 INFO L225 Difference]: With dead ends: 17249 [2018-11-12 18:59:59,761 INFO L226 Difference]: Without dead ends: 10137 [2018-11-12 18:59:59,792 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 177 SyntacticMatches, 52 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2018-11-12 18:59:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10137 states. [2018-11-12 19:00:00,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10137 to 10123. [2018-11-12 19:00:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10123 states. [2018-11-12 19:00:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10123 states to 10123 states and 13980 transitions. [2018-11-12 19:00:00,039 INFO L78 Accepts]: Start accepts. Automaton has 10123 states and 13980 transitions. Word has length 247 [2018-11-12 19:00:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:00:00,040 INFO L480 AbstractCegarLoop]: Abstraction has 10123 states and 13980 transitions. [2018-11-12 19:00:00,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 19:00:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 10123 states and 13980 transitions. [2018-11-12 19:00:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-12 19:00:00,047 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:00:00,047 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:00:00,047 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:00:00,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:00,048 INFO L82 PathProgramCache]: Analyzing trace with hash -112503323, now seen corresponding path program 1 times [2018-11-12 19:00:00,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:00:00,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:00,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:00:00,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:00:00,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:00:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:00:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:00:00,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:00:00,672 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:00:00,672 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-11-12 19:00:00,673 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], [2943], [2945], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [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], [3237], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-12 19:00:00,680 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:00:00,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:00:02,316 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:00:02,316 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 5 different actions 9 times. Never widened. Performed 7005 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7005 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 19:00:02,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:00:02,351 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:00:02,751 INFO L227 lantSequenceWeakener]: Weakened 273 states. On average, predicates are now at 71.28% of their original sizes. [2018-11-12 19:00:02,751 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:00:03,052 INFO L415 sIntCurrentIteration]: We unified 275 AI predicates to 275 [2018-11-12 19:00:03,053 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:00:03,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:00:03,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 19:00:03,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:00:03,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 19:00:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 19:00:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 19:00:03,056 INFO L87 Difference]: Start difference. First operand 10123 states and 13980 transitions. Second operand 11 states. [2018-11-12 19:00:06,883 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 19:00:20,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 19:00:20,210 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:00:20,216 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:00:20,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:00:20 BoogieIcfgContainer [2018-11-12 19:00:20,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:00:20,217 INFO L168 Benchmark]: Toolchain (without parser) took 206956.43 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.3 GB). Free memory was 1.4 GB in the beginning and 4.2 GB in the end (delta: -2.8 GB). Peak memory consumption was 500.0 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,218 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 19:00:20,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2491.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 380.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,221 INFO L168 Benchmark]: Boogie Preprocessor took 320.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,222 INFO L168 Benchmark]: RCFGBuilder took 9965.82 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 178.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -15.5 MB). Peak memory consumption was 677.2 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,223 INFO L168 Benchmark]: TraceAbstraction took 193793.58 ms. Allocated memory was 2.5 GB in the beginning and 4.8 GB in the end (delta: 2.4 GB). Free memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. [2018-11-12 19:00:20,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2491.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 380.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 320.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9965.82 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 178.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -15.5 MB). Peak memory consumption was 677.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193793.58 ms. Allocated memory was 2.5 GB in the beginning and 4.8 GB in the end (delta: 2.4 GB). Free memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 147). Cancelled while BasicCegarLoop was constructing difference of abstraction (10123states) and FLOYD_HOARE automaton (currently 14 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (5081 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 193.7s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 168.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4123 SDtfs, 18734 SDslu, 2958 SDs, 0 SdLazy, 28543 SolverSat, 4454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 719 GetRequests, 588 SyntacticMatches, 55 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10123occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9974732538862974 AbsIntWeakeningRatio, 0.11261261261261261 AbsIntAvgWeakeningVarsNumRemoved, 13.106606606606606 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 221 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 967 NumberOfCodeBlocks, 967 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 542486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 378/503 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown