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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:03:05,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:03:05,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:03:05,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:03:05,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:03:05,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:03:05,276 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:03:05,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:03:05,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:03:05,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:03:05,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:03:05,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:03:05,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:03:05,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:03:05,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:03:05,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:03:05,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:03:05,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:03:05,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:03:05,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:03:05,309 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:03:05,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:03:05,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 18:03:05,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 18:03:05,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 18:03:05,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 18:03:05,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 18:03:05,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 18:03:05,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 18:03:05,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 18:03:05,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 18:03:05,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 18:03:05,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 18:03:05,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 18:03:05,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 18:03:05,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 18:03:05,332 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 18:03:05,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:03:05,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:03:05,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:03:05,370 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:03:05,370 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:03:05,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:03:05,373 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:03:05,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:03:05,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:03:05,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:03:05,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:03:05,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:03:05,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:03:05,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:03:05,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:03:05,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:03:05,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:03:05,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:03:05,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:03:05,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:03:05,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:03:05,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:03:05,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:03:05,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:03:05,378 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:03:05,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:03:05,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:03:05,379 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:03:05,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:03:05,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:03:05,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:03:05,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:03:05,472 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:03:05,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-10-23 18:03:05,538 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd5a2f41/a4ec676954b940688191696e069b9187/FLAGbd3f6bb65 [2018-10-23 18:03:06,375 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:03:06,376 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-10-23 18:03:06,418 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd5a2f41/a4ec676954b940688191696e069b9187/FLAGbd3f6bb65 [2018-10-23 18:03:06,440 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6fd5a2f41/a4ec676954b940688191696e069b9187 [2018-10-23 18:03:06,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:03:06,454 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:03:06,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:03:06,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:03:06,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:03:06,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:03:06" (1/1) ... [2018-10-23 18:03:06,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc1ab2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:06, skipping insertion in model container [2018-10-23 18:03:06,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:03:06" (1/1) ... [2018-10-23 18:03:06,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:03:06,667 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:03:08,042 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:03:08,046 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:03:08,706 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:03:08,741 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:03:08,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08 WrapperNode [2018-10-23 18:03:08,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:03:08,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:03:08,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:03:08,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:03:08,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:08,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:03:09,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:03:09,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:03:09,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:03:09,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:09,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:10,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (1/1) ... [2018-10-23 18:03:10,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:03:10,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:03:10,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:03:10,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:03:10,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (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 [2018-10-23 18:03:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:03:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:03:10,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:03:26,419 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:03:26,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:03:26 BoogieIcfgContainer [2018-10-23 18:03:26,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:03:26,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:03:26,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:03:26,425 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:03:26,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:03:06" (1/3) ... [2018-10-23 18:03:26,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e0475f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:03:26, skipping insertion in model container [2018-10-23 18:03:26,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:03:08" (2/3) ... [2018-10-23 18:03:26,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e0475f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:03:26, skipping insertion in model container [2018-10-23 18:03:26,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:03:26" (3/3) ... [2018-10-23 18:03:26,429 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label04_false-unreach-call.c [2018-10-23 18:03:26,439 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:03:26,450 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:03:26,468 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:03:26,512 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:03:26,513 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:03:26,513 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:03:26,513 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:03:26,513 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:03:26,513 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:03:26,514 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:03:26,514 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:03:26,514 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:03:26,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-23 18:03:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-23 18:03:26,561 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:03:26,562 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:03:26,565 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:03:26,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:03:26,572 INFO L82 PathProgramCache]: Analyzing trace with hash -809652462, now seen corresponding path program 1 times [2018-10-23 18:03:26,574 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:03:26,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:03:26,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:03:26,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:03:26,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:03:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:03:26,913 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-23 18:03:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:03:26,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:03:26,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:03:26,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:03:26,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:03:26,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:03:26,954 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-23 18:03:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:03:42,775 INFO L93 Difference]: Finished difference Result 3973 states and 7416 transitions. [2018-10-23 18:03:42,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:03:42,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-23 18:03:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:03:42,824 INFO L225 Difference]: With dead ends: 3973 [2018-10-23 18:03:42,825 INFO L226 Difference]: Without dead ends: 2867 [2018-10-23 18:03:42,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:03:42,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2018-10-23 18:03:42,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 1938. [2018-10-23 18:03:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-10-23 18:03:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 3240 transitions. [2018-10-23 18:03:42,998 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 3240 transitions. Word has length 17 [2018-10-23 18:03:42,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:03:42,998 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 3240 transitions. [2018-10-23 18:03:42,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:03:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3240 transitions. [2018-10-23 18:03:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-23 18:03:43,005 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:03:43,006 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:03:43,006 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:03:43,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:03:43,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1179752616, now seen corresponding path program 1 times [2018-10-23 18:03:43,007 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:03:43,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:03:43,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:03:43,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:03:43,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:03:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:03:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:03:43,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:03:43,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:03:43,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:03:43,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:03:43,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:03:43,298 INFO L87 Difference]: Start difference. First operand 1938 states and 3240 transitions. Second operand 4 states. [2018-10-23 18:04:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:04:02,690 INFO L93 Difference]: Finished difference Result 7100 states and 12101 transitions. [2018-10-23 18:04:02,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:04:02,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-10-23 18:04:02,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:04:02,724 INFO L225 Difference]: With dead ends: 7100 [2018-10-23 18:04:02,724 INFO L226 Difference]: Without dead ends: 5164 [2018-10-23 18:04:02,730 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:04:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5164 states. [2018-10-23 18:04:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5164 to 5156. [2018-10-23 18:04:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5156 states. [2018-10-23 18:04:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 7674 transitions. [2018-10-23 18:04:02,846 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 7674 transitions. Word has length 89 [2018-10-23 18:04:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:04:02,847 INFO L481 AbstractCegarLoop]: Abstraction has 5156 states and 7674 transitions. [2018-10-23 18:04:02,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:04:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 7674 transitions. [2018-10-23 18:04:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-23 18:04:02,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:04:02,852 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:04:02,852 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:04:02,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:04:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash 906656731, now seen corresponding path program 1 times [2018-10-23 18:04:02,853 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:04:02,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:04:02,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:02,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:04:02,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:04:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:04:03,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:04:03,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:04:03,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:04:03,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:04:03,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:04:03,084 INFO L87 Difference]: Start difference. First operand 5156 states and 7674 transitions. Second operand 4 states. [2018-10-23 18:04:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:04:20,732 INFO L93 Difference]: Finished difference Result 19945 states and 29914 transitions. [2018-10-23 18:04:20,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:04:20,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-10-23 18:04:20,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:04:20,805 INFO L225 Difference]: With dead ends: 19945 [2018-10-23 18:04:20,805 INFO L226 Difference]: Without dead ends: 14791 [2018-10-23 18:04:20,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:04:20,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14791 states. [2018-10-23 18:04:21,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14791 to 9910. [2018-10-23 18:04:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9910 states. [2018-10-23 18:04:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9910 states to 9910 states and 14102 transitions. [2018-10-23 18:04:21,042 INFO L78 Accepts]: Start accepts. Automaton has 9910 states and 14102 transitions. Word has length 103 [2018-10-23 18:04:21,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:04:21,043 INFO L481 AbstractCegarLoop]: Abstraction has 9910 states and 14102 transitions. [2018-10-23 18:04:21,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:04:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 9910 states and 14102 transitions. [2018-10-23 18:04:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-23 18:04:21,051 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:04:21,051 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:04:21,051 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:04:21,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:04:21,053 INFO L82 PathProgramCache]: Analyzing trace with hash -573138264, now seen corresponding path program 1 times [2018-10-23 18:04:21,053 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:04:21,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:04:21,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:21,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:04:21,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:04:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:04:21,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:04:21,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:04:21,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:04:21,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:04:21,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:04:21,417 INFO L87 Difference]: Start difference. First operand 9910 states and 14102 transitions. Second operand 4 states. [2018-10-23 18:04:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:04:32,130 INFO L93 Difference]: Finished difference Result 35761 states and 50798 transitions. [2018-10-23 18:04:32,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:04:32,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-10-23 18:04:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:04:32,198 INFO L225 Difference]: With dead ends: 35761 [2018-10-23 18:04:32,199 INFO L226 Difference]: Without dead ends: 25853 [2018-10-23 18:04:32,215 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:04:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25853 states. [2018-10-23 18:04:32,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25853 to 19379. [2018-10-23 18:04:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19379 states. [2018-10-23 18:04:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19379 states to 19379 states and 27267 transitions. [2018-10-23 18:04:32,739 INFO L78 Accepts]: Start accepts. Automaton has 19379 states and 27267 transitions. Word has length 121 [2018-10-23 18:04:32,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:04:32,740 INFO L481 AbstractCegarLoop]: Abstraction has 19379 states and 27267 transitions. [2018-10-23 18:04:32,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:04:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19379 states and 27267 transitions. [2018-10-23 18:04:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-23 18:04:32,741 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:04:32,742 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:04:32,742 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:04:32,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:04:32,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1137380540, now seen corresponding path program 1 times [2018-10-23 18:04:32,742 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:04:32,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:04:32,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:32,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:04:32,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:04:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:04:33,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:04:33,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 18:04:33,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 18:04:33,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 18:04:33,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-23 18:04:33,233 INFO L87 Difference]: Start difference. First operand 19379 states and 27267 transitions. Second operand 6 states. [2018-10-23 18:04:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:04:52,156 INFO L93 Difference]: Finished difference Result 60929 states and 84897 transitions. [2018-10-23 18:04:52,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 18:04:52,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-10-23 18:04:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:04:52,234 INFO L225 Difference]: With dead ends: 60929 [2018-10-23 18:04:52,234 INFO L226 Difference]: Without dead ends: 41552 [2018-10-23 18:04:52,257 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-23 18:04:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41552 states. [2018-10-23 18:04:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41552 to 40680. [2018-10-23 18:04:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40680 states. [2018-10-23 18:04:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40680 states to 40680 states and 52027 transitions. [2018-10-23 18:04:52,809 INFO L78 Accepts]: Start accepts. Automaton has 40680 states and 52027 transitions. Word has length 129 [2018-10-23 18:04:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:04:52,809 INFO L481 AbstractCegarLoop]: Abstraction has 40680 states and 52027 transitions. [2018-10-23 18:04:52,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 18:04:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 40680 states and 52027 transitions. [2018-10-23 18:04:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-23 18:04:52,811 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:04:52,811 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:04:52,811 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:04:52,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:04:52,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1646760314, now seen corresponding path program 1 times [2018-10-23 18:04:52,816 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:04:52,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:04:52,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:52,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:04:52,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:04:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:04:53,217 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-23 18:04:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:04:53,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:04:53,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:04:53,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:04:53,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:04:53,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:04:53,244 INFO L87 Difference]: Start difference. First operand 40680 states and 52027 transitions. Second operand 5 states. [2018-10-23 18:05:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:05:12,363 INFO L93 Difference]: Finished difference Result 102898 states and 131821 transitions. [2018-10-23 18:05:12,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:05:12,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-23 18:05:12,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:05:12,462 INFO L225 Difference]: With dead ends: 102898 [2018-10-23 18:05:12,462 INFO L226 Difference]: Without dead ends: 62219 [2018-10-23 18:05:12,506 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:05:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62219 states. [2018-10-23 18:05:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62219 to 58854. [2018-10-23 18:05:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58854 states. [2018-10-23 18:05:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58854 states to 58854 states and 74678 transitions. [2018-10-23 18:05:13,308 INFO L78 Accepts]: Start accepts. Automaton has 58854 states and 74678 transitions. Word has length 143 [2018-10-23 18:05:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:05:13,308 INFO L481 AbstractCegarLoop]: Abstraction has 58854 states and 74678 transitions. [2018-10-23 18:05:13,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 18:05:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 58854 states and 74678 transitions. [2018-10-23 18:05:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-23 18:05:13,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:05:13,312 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:05:13,313 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:05:13,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:05:13,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1978214106, now seen corresponding path program 1 times [2018-10-23 18:05:13,316 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:05:13,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:05:13,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:13,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:05:13,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:05:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:05:13,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:05:13,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:05:13,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:05:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:05:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:05:13,688 INFO L87 Difference]: Start difference. First operand 58854 states and 74678 transitions. Second operand 5 states. [2018-10-23 18:05:34,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:05:34,858 INFO L93 Difference]: Finished difference Result 150348 states and 192777 transitions. [2018-10-23 18:05:34,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:05:34,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2018-10-23 18:05:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:05:34,997 INFO L225 Difference]: With dead ends: 150348 [2018-10-23 18:05:34,997 INFO L226 Difference]: Without dead ends: 91496 [2018-10-23 18:05:35,049 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:05:35,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91496 states. [2018-10-23 18:05:36,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91496 to 91295. [2018-10-23 18:05:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91295 states. [2018-10-23 18:05:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91295 states to 91295 states and 115660 transitions. [2018-10-23 18:05:36,849 INFO L78 Accepts]: Start accepts. Automaton has 91295 states and 115660 transitions. Word has length 200 [2018-10-23 18:05:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:05:36,850 INFO L481 AbstractCegarLoop]: Abstraction has 91295 states and 115660 transitions. [2018-10-23 18:05:36,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 18:05:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 91295 states and 115660 transitions. [2018-10-23 18:05:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-23 18:05:36,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:05:36,855 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 18:05:36,855 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:05:36,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:05:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1221191741, now seen corresponding path program 1 times [2018-10-23 18:05:36,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:05:36,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:05:36,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:36,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:05:36,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:05:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-23 18:05:37,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:05:37,239 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 18:05:37,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:05:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:05:37,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:05:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:05:37,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:05:37,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-23 18:05:37,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:05:37,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:05:37,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:05:37,516 INFO L87 Difference]: Start difference. First operand 91295 states and 115660 transitions. Second operand 4 states. [2018-10-23 18:05:50,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:05:50,939 INFO L93 Difference]: Finished difference Result 270951 states and 345425 transitions. [2018-10-23 18:05:50,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:05:50,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 229 [2018-10-23 18:05:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:05:51,259 INFO L225 Difference]: With dead ends: 270951 [2018-10-23 18:05:51,259 INFO L226 Difference]: Without dead ends: 179658 [2018-10-23 18:05:51,327 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:05:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179658 states. [2018-10-23 18:05:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179658 to 111724. [2018-10-23 18:05:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111724 states. [2018-10-23 18:05:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111724 states to 111724 states and 140372 transitions. [2018-10-23 18:05:53,416 INFO L78 Accepts]: Start accepts. Automaton has 111724 states and 140372 transitions. Word has length 229 [2018-10-23 18:05:53,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:05:53,417 INFO L481 AbstractCegarLoop]: Abstraction has 111724 states and 140372 transitions. [2018-10-23 18:05:53,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:05:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 111724 states and 140372 transitions. [2018-10-23 18:05:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-23 18:05:53,424 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:05:53,424 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 18:05:53,424 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:05:53,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:05:53,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1638924910, now seen corresponding path program 1 times [2018-10-23 18:05:53,425 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:05:53,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:05:53,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:53,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:05:53,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:05:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:05:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:05:53,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:05:53,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:05:53,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:05:53,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:05:53,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:05:53,677 INFO L87 Difference]: Start difference. First operand 111724 states and 140372 transitions. Second operand 3 states. [2018-10-23 18:06:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:06:02,818 INFO L93 Difference]: Finished difference Result 221843 states and 278934 transitions. [2018-10-23 18:06:02,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:06:02,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2018-10-23 18:06:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:06:02,951 INFO L225 Difference]: With dead ends: 221843 [2018-10-23 18:06:02,951 INFO L226 Difference]: Without dead ends: 110909 [2018-10-23 18:06:03,013 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:06:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110909 states. [2018-10-23 18:06:04,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110909 to 107747. [2018-10-23 18:06:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107747 states. [2018-10-23 18:06:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107747 states to 107747 states and 126559 transitions. [2018-10-23 18:06:04,099 INFO L78 Accepts]: Start accepts. Automaton has 107747 states and 126559 transitions. Word has length 258 [2018-10-23 18:06:04,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:06:04,099 INFO L481 AbstractCegarLoop]: Abstraction has 107747 states and 126559 transitions. [2018-10-23 18:06:04,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:06:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 107747 states and 126559 transitions. [2018-10-23 18:06:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-10-23 18:06:04,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:06:04,107 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:06:04,107 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:06:04,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:06:04,108 INFO L82 PathProgramCache]: Analyzing trace with hash 654159450, now seen corresponding path program 1 times [2018-10-23 18:06:04,108 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:06:04,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:06:04,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:04,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:06:04,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:06:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 189 proven. 1 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-23 18:06:04,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:06:04,368 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 18:06:04,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:06:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:06:04,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:06:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-23 18:06:04,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:06:04,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-10-23 18:06:04,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:06:04,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:06:04,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:06:04,592 INFO L87 Difference]: Start difference. First operand 107747 states and 126559 transitions. Second operand 5 states. [2018-10-23 18:06:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:06:16,475 INFO L93 Difference]: Finished difference Result 302948 states and 356533 transitions. [2018-10-23 18:06:16,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:06:16,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2018-10-23 18:06:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:06:16,700 INFO L225 Difference]: With dead ends: 302948 [2018-10-23 18:06:16,701 INFO L226 Difference]: Without dead ends: 185717 [2018-10-23 18:06:16,778 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:06:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185717 states. [2018-10-23 18:06:19,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185717 to 177024. [2018-10-23 18:06:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177024 states. [2018-10-23 18:06:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177024 states to 177024 states and 198817 transitions. [2018-10-23 18:06:19,864 INFO L78 Accepts]: Start accepts. Automaton has 177024 states and 198817 transitions. Word has length 304 [2018-10-23 18:06:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:06:19,864 INFO L481 AbstractCegarLoop]: Abstraction has 177024 states and 198817 transitions. [2018-10-23 18:06:19,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 18:06:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 177024 states and 198817 transitions. [2018-10-23 18:06:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-23 18:06:19,873 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:06:19,874 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 18:06:19,874 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:06:19,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:06:19,874 INFO L82 PathProgramCache]: Analyzing trace with hash -901331647, now seen corresponding path program 1 times [2018-10-23 18:06:19,874 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:06:19,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:06:19,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:19,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:06:19,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:06:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:06:20,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:06:20,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:06:20,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:06:20,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:06:20,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:06:20,223 INFO L87 Difference]: Start difference. First operand 177024 states and 198817 transitions. Second operand 4 states. [2018-10-23 18:06:35,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:06:35,098 INFO L93 Difference]: Finished difference Result 445504 states and 500121 transitions. [2018-10-23 18:06:35,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:06:35,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 324 [2018-10-23 18:06:35,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:06:35,508 INFO L225 Difference]: With dead ends: 445504 [2018-10-23 18:06:35,509 INFO L226 Difference]: Without dead ends: 266108 [2018-10-23 18:06:35,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:06:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266108 states. [2018-10-23 18:06:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266108 to 253449. [2018-10-23 18:06:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253449 states. [2018-10-23 18:06:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253449 states to 253449 states and 278924 transitions. [2018-10-23 18:06:41,919 INFO L78 Accepts]: Start accepts. Automaton has 253449 states and 278924 transitions. Word has length 324 [2018-10-23 18:06:41,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:06:41,920 INFO L481 AbstractCegarLoop]: Abstraction has 253449 states and 278924 transitions. [2018-10-23 18:06:41,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:06:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 253449 states and 278924 transitions. [2018-10-23 18:06:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-10-23 18:06:41,929 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:06:41,930 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:06:41,930 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:06:41,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:06:41,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1286046502, now seen corresponding path program 1 times [2018-10-23 18:06:41,931 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:06:41,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:06:41,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:41,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:06:41,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:06:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:06:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-23 18:06:42,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:06:42,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:06:42,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:06:42,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:06:42,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:06:42,400 INFO L87 Difference]: Start difference. First operand 253449 states and 278924 transitions. Second operand 4 states. Received shutdown request... [2018-10-23 18:06:52,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:06:52,052 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 18:06:52,057 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 18:06:52,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:06:52 BoogieIcfgContainer [2018-10-23 18:06:52,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:06:52,059 INFO L168 Benchmark]: Toolchain (without parser) took 225606.10 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 456.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,060 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:06:52,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2287.06 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 857.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 823.7 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 83.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,062 INFO L168 Benchmark]: Boogie Preprocessor took 617.08 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,063 INFO L168 Benchmark]: RCFGBuilder took 16202.53 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 227.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 41.8 MB). Peak memory consumption was 582.4 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,064 INFO L168 Benchmark]: TraceAbstraction took 205636.75 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. [2018-10-23 18:06:52,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2287.06 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 857.21 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 823.7 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 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 617.08 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16202.53 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 227.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 41.8 MB). Peak memory consumption was 582.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205636.75 ms. Allocated memory was 2.6 GB in the beginning and 4.3 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 60). Cancelled while BasicCegarLoop was constructing difference of abstraction (253449states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (100158 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 205.5s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 183.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10051 SDtfs, 27898 SDslu, 3559 SDs, 0 SdLazy, 64812 SolverSat, 14310 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 154.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 575 GetRequests, 544 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253449occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 16.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 109178 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2825 NumberOfCodeBlocks, 2825 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2811 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000963 SizeOfPredicates, 1 NumberOfNonLiveVariables, 755 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1622/1627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown