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/Problem12_label05_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:44:48,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:44:48,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:44:48,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:44:48,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:44:48,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:44:48,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:44:48,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:44:48,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:44:48,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:44:48,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:44:48,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:44:48,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:44:48,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:44:48,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:44:48,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:44:48,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:44:48,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:44:48,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:44:48,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:44:48,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:44:48,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:44:48,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:44:48,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:44:48,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:44:48,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:44:48,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:44:48,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:44:48,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:44:48,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:44:48,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:44:48,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:44:48,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:44:48,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:44:48,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:44:48,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:44:48,285 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 18:44:48,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:44:48,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:44:48,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:44:48,319 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:44:48,319 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:44:48,319 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:44:48,319 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:44:48,320 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:44:48,320 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:44:48,320 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:44:48,320 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:44:48,320 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:44:48,321 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:44:48,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:44:48,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:44:48,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:44:48,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:44:48,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:44:48,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:44:48,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:44:48,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:44:48,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:44:48,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:44:48,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:44:48,324 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:44:48,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:44:48,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:44:48,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:44:48,325 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:44:48,325 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:44:48,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:44:48,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:44:48,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:44:48,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:44:48,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:44:48,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label05_true-unreach-call.c [2018-11-12 18:44:48,449 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed7bc307/31a9f65d806744ec94a3433168ed168d/FLAG00b1e97f8 [2018-11-12 18:44:49,203 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:44:49,206 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label05_true-unreach-call.c [2018-11-12 18:44:49,241 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed7bc307/31a9f65d806744ec94a3433168ed168d/FLAG00b1e97f8 [2018-11-12 18:44:49,260 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed7bc307/31a9f65d806744ec94a3433168ed168d [2018-11-12 18:44:49,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:44:49,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:44:49,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:44:49,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:44:49,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:44:49,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:44:49" (1/1) ... [2018-11-12 18:44:49,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb9594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:49, skipping insertion in model container [2018-11-12 18:44:49,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:44:49" (1/1) ... [2018-11-12 18:44:49,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:44:49,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:44:50,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:44:50,744 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:44:51,334 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:44:51,372 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:44:51,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51 WrapperNode [2018-11-12 18:44:51,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:44:51,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:44:51,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:44:51,375 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:44:51,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:44:51,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:44:51,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:44:51,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:44:51,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (1/1) ... [2018-11-12 18:44:51,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:44:51,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:44:51,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:44:51,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:44:51,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (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 18:44:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:44:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:44:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:44:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 18:44:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 18:44:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 18:44:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 18:44:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 18:44:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 18:44:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:44:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:44:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:44:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:44:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:44:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:45:01,596 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:45:01,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:45:01 BoogieIcfgContainer [2018-11-12 18:45:01,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:45:01,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:45:01,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:45:01,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:45:01,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:44:49" (1/3) ... [2018-11-12 18:45:01,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b876879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:45:01, skipping insertion in model container [2018-11-12 18:45:01,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:44:51" (2/3) ... [2018-11-12 18:45:01,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b876879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:45:01, skipping insertion in model container [2018-11-12 18:45:01,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:45:01" (3/3) ... [2018-11-12 18:45:01,607 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label05_true-unreach-call.c [2018-11-12 18:45:01,618 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:45:01,631 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:45:01,650 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:45:01,697 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:45:01,697 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:45:01,697 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:45:01,698 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:45:01,698 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:45:01,698 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:45:01,698 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:45:01,698 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:45:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-12 18:45:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-12 18:45:01,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:45:01,754 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] [2018-11-12 18:45:01,756 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:45:01,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:45:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1226611092, now seen corresponding path program 1 times [2018-11-12 18:45:01,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:45:01,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:01,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:45:01,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:01,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:45:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:45:02,417 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 18:45:02,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:45:02,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:45:02,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:45:02,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:45:02,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:45:02,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:45:02,459 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-12 18:45:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:45:10,563 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-12 18:45:10,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:45:10,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-12 18:45:10,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:45:10,599 INFO L225 Difference]: With dead ends: 2446 [2018-11-12 18:45:10,599 INFO L226 Difference]: Without dead ends: 1604 [2018-11-12 18:45:10,610 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 [2018-11-12 18:45:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-12 18:45:10,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-12 18:45:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-12 18:45:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2969 transitions. [2018-11-12 18:45:10,787 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2969 transitions. Word has length 66 [2018-11-12 18:45:10,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:45:10,788 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2969 transitions. [2018-11-12 18:45:10,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:45:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2969 transitions. [2018-11-12 18:45:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-12 18:45:10,802 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:45:10,803 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:45:10,803 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:45:10,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:45:10,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2035873030, now seen corresponding path program 1 times [2018-11-12 18:45:10,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:45:10,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:10,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:45:10,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:10,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:45:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:45:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:45:11,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:45:11,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:45:11,084 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:45:11,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:45:11,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:45:11,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:45:11,087 INFO L87 Difference]: Start difference. First operand 1604 states and 2969 transitions. Second operand 5 states. [2018-11-12 18:45:21,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:45:21,133 INFO L93 Difference]: Finished difference Result 4038 states and 7427 transitions. [2018-11-12 18:45:21,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:45:21,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-12 18:45:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:45:21,156 INFO L225 Difference]: With dead ends: 4038 [2018-11-12 18:45:21,157 INFO L226 Difference]: Without dead ends: 2440 [2018-11-12 18:45:21,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:45:21,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-11-12 18:45:21,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2413. [2018-11-12 18:45:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2018-11-12 18:45:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 4141 transitions. [2018-11-12 18:45:21,266 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 4141 transitions. Word has length 140 [2018-11-12 18:45:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:45:21,267 INFO L480 AbstractCegarLoop]: Abstraction has 2413 states and 4141 transitions. [2018-11-12 18:45:21,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:45:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 4141 transitions. [2018-11-12 18:45:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-12 18:45:21,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:45:21,272 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:45:21,272 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:45:21,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:45:21,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1332120426, now seen corresponding path program 1 times [2018-11-12 18:45:21,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:45:21,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:21,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:45:21,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:45:21,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:45:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:45:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-12 18:45:21,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:45:21,480 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:45:21,481 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-12 18:45:21,483 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-12 18:45:21,537 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:45:21,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:45:22,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:45:22,370 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Performed 1595 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1595 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 18:45:22,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:45:22,414 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:45:22,822 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 76.32% of their original sizes. [2018-11-12 18:45:22,822 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:45:23,406 INFO L415 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-11-12 18:45:23,406 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:45:23,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:45:23,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-12 18:45:23,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:45:23,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 18:45:23,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 18:45:23,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 18:45:23,408 INFO L87 Difference]: Start difference. First operand 2413 states and 4141 transitions. Second operand 11 states. [2018-11-12 18:45:32,938 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:46:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:46:11,703 INFO L93 Difference]: Finished difference Result 7130 states and 12346 transitions. [2018-11-12 18:46:11,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 18:46:11,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2018-11-12 18:46:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:46:11,726 INFO L225 Difference]: With dead ends: 7130 [2018-11-12 18:46:11,726 INFO L226 Difference]: Without dead ends: 4723 [2018-11-12 18:46:11,735 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-12 18:46:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2018-11-12 18:46:11,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4720. [2018-11-12 18:46:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4720 states. [2018-11-12 18:46:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6479 transitions. [2018-11-12 18:46:11,846 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6479 transitions. Word has length 142 [2018-11-12 18:46:11,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:46:11,847 INFO L480 AbstractCegarLoop]: Abstraction has 4720 states and 6479 transitions. [2018-11-12 18:46:11,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 18:46:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6479 transitions. [2018-11-12 18:46:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-12 18:46:11,852 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:46:11,853 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:46:11,853 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:46:11,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:46:11,854 INFO L82 PathProgramCache]: Analyzing trace with hash 188591852, now seen corresponding path program 1 times [2018-11-12 18:46:11,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:46:11,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:46:11,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:46:11,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:46:11,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:46:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:46:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-12 18:46:12,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:46:12,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:46:12,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:46:12,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:46:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:46:12,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:46:12,161 INFO L87 Difference]: Start difference. First operand 4720 states and 6479 transitions. Second operand 4 states. [2018-11-12 18:46:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:46:20,036 INFO L93 Difference]: Finished difference Result 11805 states and 19123 transitions. [2018-11-12 18:46:20,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:46:20,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2018-11-12 18:46:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:46:20,085 INFO L225 Difference]: With dead ends: 11805 [2018-11-12 18:46:20,085 INFO L226 Difference]: Without dead ends: 9398 [2018-11-12 18:46:20,101 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:46:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2018-11-12 18:46:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9398. [2018-11-12 18:46:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9398 states. [2018-11-12 18:46:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9398 states to 9398 states and 12999 transitions. [2018-11-12 18:46:20,331 INFO L78 Accepts]: Start accepts. Automaton has 9398 states and 12999 transitions. Word has length 288 [2018-11-12 18:46:20,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:46:20,333 INFO L480 AbstractCegarLoop]: Abstraction has 9398 states and 12999 transitions. [2018-11-12 18:46:20,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:46:20,334 INFO L276 IsEmpty]: Start isEmpty. Operand 9398 states and 12999 transitions. [2018-11-12 18:46:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-12 18:46:20,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:46:20,344 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:46:20,344 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:46:20,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:46:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1743505703, now seen corresponding path program 1 times [2018-11-12 18:46:20,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:46:20,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:46:20,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:46:20,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:46:20,346 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:46:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:46:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:46:20,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:46:20,953 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:46:20,954 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 294 with the following transitions: [2018-11-12 18:46:20,954 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2388], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-12 18:46:20,965 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:46:20,965 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:46:21,115 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:46:21,397 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:46:21,397 INFO L272 AbstractInterpreter]: Visited 158 different actions 310 times. Merged at 5 different actions 5 times. Never widened. Performed 4763 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4763 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 18:46:21,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:46:21,405 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:46:22,186 INFO L227 lantSequenceWeakener]: Weakened 45 states. On average, predicates are now at 75.36% of their original sizes. [2018-11-12 18:46:22,186 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:46:22,701 INFO L415 sIntCurrentIteration]: We unified 292 AI predicates to 292 [2018-11-12 18:46:22,701 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:46:22,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:46:22,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-12 18:46:22,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:46:22,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 18:46:22,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 18:46:22,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-12 18:46:22,703 INFO L87 Difference]: Start difference. First operand 9398 states and 12999 transitions. Second operand 19 states. [2018-11-12 18:48:12,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:48:12,934 INFO L93 Difference]: Finished difference Result 18858 states and 27144 transitions. [2018-11-12 18:48:12,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-12 18:48:12,935 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 293 [2018-11-12 18:48:12,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:48:12,983 INFO L225 Difference]: With dead ends: 18858 [2018-11-12 18:48:12,983 INFO L226 Difference]: Without dead ends: 11773 [2018-11-12 18:48:13,008 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2018-11-12 18:48:13,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11773 states. [2018-11-12 18:48:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11773 to 11761. [2018-11-12 18:48:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11761 states. [2018-11-12 18:48:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11761 states to 11761 states and 15494 transitions. [2018-11-12 18:48:13,246 INFO L78 Accepts]: Start accepts. Automaton has 11761 states and 15494 transitions. Word has length 293 [2018-11-12 18:48:13,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:48:13,247 INFO L480 AbstractCegarLoop]: Abstraction has 11761 states and 15494 transitions. [2018-11-12 18:48:13,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 18:48:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11761 states and 15494 transitions. [2018-11-12 18:48:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-11-12 18:48:13,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:48:13,262 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:48:13,263 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:48:13,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:48:13,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1960118905, now seen corresponding path program 1 times [2018-11-12 18:48:13,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:48:13,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:48:13,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:48:13,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:48:13,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:48:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:48:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 183 proven. 141 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-12 18:48:13,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:48:13,647 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:48:13,647 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2018-11-12 18:48:13,648 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2368], [2369], [2373], [2377], [2381], [2385], [2388], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-12 18:48:13,655 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:48:13,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:48:13,816 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:48:14,567 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:48:14,567 INFO L272 AbstractInterpreter]: Visited 155 different actions 306 times. Merged at 5 different actions 7 times. Never widened. Performed 6170 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6170 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 18:48:14,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:48:14,576 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:48:15,018 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 76.2% of their original sizes. [2018-11-12 18:48:15,018 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:48:16,118 INFO L415 sIntCurrentIteration]: We unified 360 AI predicates to 360 [2018-11-12 18:48:16,119 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:48:16,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:48:16,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [5] total 23 [2018-11-12 18:48:16,119 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:48:16,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-12 18:48:16,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-12 18:48:16,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-11-12 18:48:16,121 INFO L87 Difference]: Start difference. First operand 11761 states and 15494 transitions. Second operand 20 states. Received shutdown request... [2018-11-12 18:48:26,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:48:26,846 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 18:48:26,851 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 18:48:26,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:48:26 BoogieIcfgContainer [2018-11-12 18:48:26,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:48:26,852 INFO L168 Benchmark]: Toolchain (without parser) took 217578.28 ms. Allocated memory was 1.5 GB in the beginning and 5.3 GB in the end (delta: 3.8 GB). Free memory was 1.4 GB in the beginning and 990.5 MB in the end (delta: 396.0 MB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,854 INFO L168 Benchmark]: CDTParser took 0.28 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 18:48:26,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2096.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 355.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,856 INFO L168 Benchmark]: Boogie Preprocessor took 246.91 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,857 INFO L168 Benchmark]: RCFGBuilder took 9620.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 650.4 MB). Peak memory consumption was 650.4 MB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,858 INFO L168 Benchmark]: TraceAbstraction took 205252.18 ms. Allocated memory was 2.3 GB in the beginning and 5.3 GB in the end (delta: 3.1 GB). Free memory was 1.5 GB in the beginning and 990.5 MB in the end (delta: 546.1 MB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. [2018-11-12 18:48:26,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 2096.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 355.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 246.91 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9620.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.5 GB in the end (delta: 650.4 MB). Peak memory consumption was 650.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205252.18 ms. Allocated memory was 2.3 GB in the beginning and 5.3 GB in the end (delta: 3.1 GB). Free memory was 1.5 GB in the beginning and 990.5 MB in the end (delta: 546.1 MB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 189]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 189). Cancelled while BasicCegarLoop was constructing difference of abstraction (11761states) and FLOYD_HOARE automaton (currently 17 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (3299 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 205.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 195.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2631 SDtfs, 17865 SDslu, 991 SDs, 0 SdLazy, 33403 SolverSat, 5268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 841 GetRequests, 714 SyntacticMatches, 45 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11761occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9974257068661919 AbsIntWeakeningRatio, 0.1021437578814628 AbsIntAvgWeakeningVarsNumRemoved, 17.08827238335435 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1284 ConstructedInterpolants, 0 QuantifiedInterpolants, 763021 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 707/905 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown