java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 02:16:33,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 02:16:33,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 02:16:33,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 02:16:33,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 02:16:33,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 02:16:33,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 02:16:33,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 02:16:33,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 02:16:33,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 02:16:33,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 02:16:33,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 02:16:33,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 02:16:33,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 02:16:33,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 02:16:33,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 02:16:33,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 02:16:33,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 02:16:33,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 02:16:33,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 02:16:33,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 02:16:33,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 02:16:33,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 02:16:33,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 02:16:33,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 02:16:33,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 02:16:33,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 02:16:33,334 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 02:16:33,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 02:16:33,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 02:16:33,369 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 02:16:33,370 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 02:16:33,370 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 02:16:33,370 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 02:16:33,370 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 02:16:33,371 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 02:16:33,371 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 02:16:33,371 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 02:16:33,371 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 02:16:33,372 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 02:16:33,372 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 02:16:33,372 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 02:16:33,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 02:16:33,374 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 02:16:33,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 02:16:33,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 02:16:33,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 02:16:33,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 02:16:33,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 02:16:33,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 02:16:33,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 02:16:33,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 02:16:33,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 02:16:33,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 02:16:33,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 02:16:33,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 02:16:33,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 02:16:33,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 02:16:33,378 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 02:16:33,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 02:16:33,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 02:16:33,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 02:16:33,379 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 02:16:33,379 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 02:16:33,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 02:16:33,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 02:16:33,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 02:16:33,459 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 02:16:33,459 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 02:16:33,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c [2018-10-25 02:16:33,527 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9400ebc7/a782f67108034bf39e649924ea3faaca/FLAGa5e29a879 [2018-10-25 02:16:34,450 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 02:16:34,451 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label48_true-unreach-call.c [2018-10-25 02:16:34,514 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9400ebc7/a782f67108034bf39e649924ea3faaca/FLAGa5e29a879 [2018-10-25 02:16:34,530 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9400ebc7/a782f67108034bf39e649924ea3faaca [2018-10-25 02:16:34,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 02:16:34,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 02:16:34,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 02:16:34,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 02:16:34,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 02:16:34,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:16:34" (1/1) ... [2018-10-25 02:16:34,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba4e0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:34, skipping insertion in model container [2018-10-25 02:16:34,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:16:34" (1/1) ... [2018-10-25 02:16:34,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 02:16:34,840 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 02:16:37,066 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:16:37,071 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 02:16:38,243 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:16:38,308 INFO L193 MainTranslator]: Completed translation [2018-10-25 02:16:38,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38 WrapperNode [2018-10-25 02:16:38,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 02:16:38,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 02:16:38,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 02:16:38,310 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 02:16:38,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:38,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 02:16:39,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 02:16:39,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 02:16:39,054 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 02:16:39,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... [2018-10-25 02:16:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 02:16:39,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 02:16:39,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 02:16:39,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 02:16:39,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 02:16:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 02:16:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 02:16:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-25 02:16:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-25 02:16:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-25 02:16:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-25 02:16:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-25 02:16:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-25 02:16:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-25 02:16:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-25 02:16:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-25 02:16:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-25 02:16:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 02:16:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 02:16:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 02:16:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 02:16:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 02:16:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 02:16:58,162 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 02:16:58,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:16:58 BoogieIcfgContainer [2018-10-25 02:16:58,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 02:16:58,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 02:16:58,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 02:16:58,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 02:16:58,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:16:34" (1/3) ... [2018-10-25 02:16:58,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a67bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:16:58, skipping insertion in model container [2018-10-25 02:16:58,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:16:38" (2/3) ... [2018-10-25 02:16:58,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a67bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:16:58, skipping insertion in model container [2018-10-25 02:16:58,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:16:58" (3/3) ... [2018-10-25 02:16:58,173 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label48_true-unreach-call.c [2018-10-25 02:16:58,183 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 02:16:58,192 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 02:16:58,210 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 02:16:58,269 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 02:16:58,269 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 02:16:58,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 02:16:58,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 02:16:58,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 02:16:58,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 02:16:58,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 02:16:58,270 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 02:16:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-25 02:16:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-25 02:16:58,336 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:16:58,337 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:16:58,340 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:16:58,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:16:58,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1378870764, now seen corresponding path program 1 times [2018-10-25 02:16:58,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:16:58,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:16:58,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:16:58,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:16:58,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:16:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:16:58,867 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-25 02:16:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:16:58,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:16:58,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 02:16:58,897 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:16:58,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 02:16:58,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 02:16:58,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 02:16:58,923 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 4 states. [2018-10-25 02:17:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:17:23,254 INFO L93 Difference]: Finished difference Result 6465 states and 12332 transitions. [2018-10-25 02:17:23,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 02:17:23,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-25 02:17:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:17:23,308 INFO L225 Difference]: With dead ends: 6465 [2018-10-25 02:17:23,309 INFO L226 Difference]: Without dead ends: 4681 [2018-10-25 02:17:23,324 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 02:17:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-10-25 02:17:23,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 3200. [2018-10-25 02:17:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3200 states. [2018-10-25 02:17:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 5132 transitions. [2018-10-25 02:17:23,523 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 5132 transitions. Word has length 72 [2018-10-25 02:17:23,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:17:23,524 INFO L481 AbstractCegarLoop]: Abstraction has 3200 states and 5132 transitions. [2018-10-25 02:17:23,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 02:17:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 5132 transitions. [2018-10-25 02:17:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-25 02:17:23,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:17:23,533 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:17:23,534 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:17:23,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:17:23,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1394303167, now seen corresponding path program 1 times [2018-10-25 02:17:23,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:17:23,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:23,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:17:23,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:23,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:17:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:17:23,899 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:17:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:17:24,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:17:24,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:17:24,334 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:17:24,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:17:24,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:17:24,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:17:24,337 INFO L87 Difference]: Start difference. First operand 3200 states and 5132 transitions. Second operand 6 states. [2018-10-25 02:17:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:17:53,549 INFO L93 Difference]: Finished difference Result 12097 states and 19723 transitions. [2018-10-25 02:17:53,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:17:53,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-10-25 02:17:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:17:53,596 INFO L225 Difference]: With dead ends: 12097 [2018-10-25 02:17:53,596 INFO L226 Difference]: Without dead ends: 8903 [2018-10-25 02:17:53,610 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:17:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2018-10-25 02:17:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 8846. [2018-10-25 02:17:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-10-25 02:17:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12708 transitions. [2018-10-25 02:17:53,842 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12708 transitions. Word has length 144 [2018-10-25 02:17:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:17:53,843 INFO L481 AbstractCegarLoop]: Abstraction has 8846 states and 12708 transitions. [2018-10-25 02:17:53,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:17:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12708 transitions. [2018-10-25 02:17:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-25 02:17:53,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:17:53,849 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:17:53,850 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:17:53,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:17:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash -322669480, now seen corresponding path program 1 times [2018-10-25 02:17:53,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:17:53,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:53,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:17:53,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:53,851 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:17:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:17:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:17:54,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:17:54,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:17:54,128 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:17:54,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:17:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:17:54,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:17:54,130 INFO L87 Difference]: Start difference. First operand 8846 states and 12708 transitions. Second operand 6 states. [2018-10-25 02:18:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:18:18,351 INFO L93 Difference]: Finished difference Result 29431 states and 43425 transitions. [2018-10-25 02:18:18,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:18:18,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-10-25 02:18:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:18:18,450 INFO L225 Difference]: With dead ends: 29431 [2018-10-25 02:18:18,450 INFO L226 Difference]: Without dead ends: 20591 [2018-10-25 02:18:18,485 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:18:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20591 states. [2018-10-25 02:18:18,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20591 to 20435. [2018-10-25 02:18:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20435 states. [2018-10-25 02:18:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20435 states to 20435 states and 28676 transitions. [2018-10-25 02:18:19,017 INFO L78 Accepts]: Start accepts. Automaton has 20435 states and 28676 transitions. Word has length 146 [2018-10-25 02:18:19,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:18:19,018 INFO L481 AbstractCegarLoop]: Abstraction has 20435 states and 28676 transitions. [2018-10-25 02:18:19,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:18:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 20435 states and 28676 transitions. [2018-10-25 02:18:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-25 02:18:19,023 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:18:19,024 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, 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] [2018-10-25 02:18:19,028 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:18:19,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:18:19,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1699491839, now seen corresponding path program 1 times [2018-10-25 02:18:19,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:18:19,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:19,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:18:19,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:19,030 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:18:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:18:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:18:19,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:18:19,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:18:19,396 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:18:19,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:18:19,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:18:19,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:18:19,398 INFO L87 Difference]: Start difference. First operand 20435 states and 28676 transitions. Second operand 6 states. [2018-10-25 02:18:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:18:42,239 INFO L93 Difference]: Finished difference Result 62260 states and 89704 transitions. [2018-10-25 02:18:42,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 02:18:42,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-10-25 02:18:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:18:42,418 INFO L225 Difference]: With dead ends: 62260 [2018-10-25 02:18:42,419 INFO L226 Difference]: Without dead ends: 41831 [2018-10-25 02:18:42,485 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:18:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41831 states. [2018-10-25 02:18:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41831 to 41494. [2018-10-25 02:18:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41494 states. [2018-10-25 02:18:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41494 states to 41494 states and 57737 transitions. [2018-10-25 02:18:43,451 INFO L78 Accepts]: Start accepts. Automaton has 41494 states and 57737 transitions. Word has length 154 [2018-10-25 02:18:43,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:18:43,452 INFO L481 AbstractCegarLoop]: Abstraction has 41494 states and 57737 transitions. [2018-10-25 02:18:43,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:18:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 41494 states and 57737 transitions. [2018-10-25 02:18:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-25 02:18:43,458 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:18:43,459 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, 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] [2018-10-25 02:18:43,459 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:18:43,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:18:43,461 INFO L82 PathProgramCache]: Analyzing trace with hash -666275863, now seen corresponding path program 1 times [2018-10-25 02:18:43,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:18:43,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:43,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:18:43,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:43,463 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:18:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:18:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:18:43,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:18:43,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 02:18:43,755 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:18:43,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 02:18:43,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 02:18:43,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 02:18:43,758 INFO L87 Difference]: Start difference. First operand 41494 states and 57737 transitions. Second operand 5 states. [2018-10-25 02:19:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:19:19,904 INFO L93 Difference]: Finished difference Result 125857 states and 180453 transitions. [2018-10-25 02:19:19,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 02:19:19,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2018-10-25 02:19:19,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:19:20,171 INFO L225 Difference]: With dead ends: 125857 [2018-10-25 02:19:20,171 INFO L226 Difference]: Without dead ends: 84369 [2018-10-25 02:19:20,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 02:19:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84369 states. [2018-10-25 02:19:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84369 to 83169. [2018-10-25 02:19:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83169 states. [2018-10-25 02:19:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83169 states to 83169 states and 107235 transitions. [2018-10-25 02:19:21,697 INFO L78 Accepts]: Start accepts. Automaton has 83169 states and 107235 transitions. Word has length 174 [2018-10-25 02:19:21,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:19:21,698 INFO L481 AbstractCegarLoop]: Abstraction has 83169 states and 107235 transitions. [2018-10-25 02:19:21,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 02:19:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 83169 states and 107235 transitions. [2018-10-25 02:19:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-25 02:19:21,706 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:19:21,706 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:19:21,707 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:19:21,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:19:21,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1062511734, now seen corresponding path program 1 times [2018-10-25 02:19:21,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:19:21,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:21,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:19:21,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:21,708 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:19:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:19:21,979 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:19:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:19:22,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:19:22,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:19:22,452 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:19:22,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:19:22,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:19:22,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:19:22,453 INFO L87 Difference]: Start difference. First operand 83169 states and 107235 transitions. Second operand 6 states. [2018-10-25 02:19:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:19:42,222 INFO L93 Difference]: Finished difference Result 190923 states and 257622 transitions. [2018-10-25 02:19:42,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:19:42,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2018-10-25 02:19:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:19:42,511 INFO L225 Difference]: With dead ends: 190923 [2018-10-25 02:19:42,511 INFO L226 Difference]: Without dead ends: 107760 [2018-10-25 02:19:42,688 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:19:42,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107760 states. [2018-10-25 02:19:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107760 to 106997. [2018-10-25 02:19:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106997 states. [2018-10-25 02:19:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106997 states to 106997 states and 139057 transitions. [2018-10-25 02:19:45,158 INFO L78 Accepts]: Start accepts. Automaton has 106997 states and 139057 transitions. Word has length 237 [2018-10-25 02:19:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:19:45,159 INFO L481 AbstractCegarLoop]: Abstraction has 106997 states and 139057 transitions. [2018-10-25 02:19:45,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:19:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 106997 states and 139057 transitions. [2018-10-25 02:19:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-10-25 02:19:45,186 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:19:45,187 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:19:45,187 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:19:45,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:19:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash 771212805, now seen corresponding path program 1 times [2018-10-25 02:19:45,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:19:45,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:45,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:19:45,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:45,189 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:19:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:19:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-25 02:19:45,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 02:19:45,828 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 02:19:45,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-10-25 02:19:45,833 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5093], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5634], [5642], [5650], [5658], [5666], [5674], [5682], [5690], [5698], [5702], [5704], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-10-25 02:19:45,909 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 02:19:45,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 02:19:47,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 02:19:47,163 INFO L272 AbstractInterpreter]: Visited 488 different actions 488 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-25 02:19:47,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:19:47,199 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 02:19:48,375 INFO L232 lantSequenceWeakener]: Weakened 550 states. On average, predicates are now at 75.38% of their original sizes. [2018-10-25 02:19:48,376 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 02:19:48,894 INFO L413 sIntCurrentIteration]: We have 558 unified AI predicates [2018-10-25 02:19:48,894 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 02:19:48,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 02:19:48,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2018-10-25 02:19:48,896 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:19:48,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-25 02:19:48,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-25 02:19:48,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-25 02:19:48,897 INFO L87 Difference]: Start difference. First operand 106997 states and 139057 transitions. Second operand 8 states. Received shutdown request... [2018-10-25 02:20:21,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 02:20:21,295 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 02:20:21,301 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 02:20:21,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:20:21 BoogieIcfgContainer [2018-10-25 02:20:21,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 02:20:21,303 INFO L168 Benchmark]: Toolchain (without parser) took 226760.44 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -964.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,304 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. [2018-10-25 02:20:21,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3764.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 926.7 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 743.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 926.7 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,306 INFO L168 Benchmark]: Boogie Preprocessor took 456.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,307 INFO L168 Benchmark]: RCFGBuilder took 18653.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 215.5 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 416.1 MB). Peak memory consumption was 688.0 MB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,308 INFO L168 Benchmark]: TraceAbstraction took 203136.41 ms. Allocated memory was 2.5 GB in the beginning and 3.6 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -635.9 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. [2018-10-25 02:20:21,313 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 3764.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 926.7 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 743.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 926.7 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 456.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18653.38 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 215.5 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 416.1 MB). Peak memory consumption was 688.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 203136.41 ms. Allocated memory was 2.5 GB in the beginning and 3.6 GB in the end (delta: 1.1 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -635.9 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 211]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 211). Cancelled while BasicCegarLoop was constructing difference of abstraction (106997states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (11746 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 203.0s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 190.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4530 SDtfs, 43610 SDslu, 5109 SDs, 0 SdLazy, 61392 SolverSat, 15919 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 149.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 615 GetRequests, 568 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106997occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.999230264307403 AbsIntWeakeningRatio, 0.044802867383512544 AbsIntAvgWeakeningVarsNumRemoved, 17.77777777777778 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 3994 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1479 ConstructedInterpolants, 0 QuantifiedInterpolants, 1598812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 329/390 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown