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/Problem01_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:47:47,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:47:47,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:47:47,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:47:47,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:47:47,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:47:47,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:47:47,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:47:47,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:47:47,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:47:47,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:47:47,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:47:47,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:47:47,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:47:47,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:47:47,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:47:47,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:47:47,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:47:47,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:47:47,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:47:47,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:47:47,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:47:47,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 18:47:47,228 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 18:47:47,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:47:47,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:47:47,254 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:47:47,254 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:47:47,258 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:47:47,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:47:47,259 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:47:47,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:47:47,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:47:47,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:47:47,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:47:47,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:47:47,261 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:47:47,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:47:47,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:47:47,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:47:47,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:47:47,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:47:47,262 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:47:47,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:47:47,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:47:47,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:47:47,263 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:47:47,264 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:47:47,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:47:47,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:47:47,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:47:47,265 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:47:47,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:47:47,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:47:47,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:47:47,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:47:47,354 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:47:47,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-23 18:47:47,412 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/09fd8d3ba/618df7626a0d4ab0a1685269dba095cd/FLAGe7cdf7e64 [2018-10-23 18:47:48,005 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:47:48,006 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-23 18:47:48,026 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/09fd8d3ba/618df7626a0d4ab0a1685269dba095cd/FLAGe7cdf7e64 [2018-10-23 18:47:48,045 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/09fd8d3ba/618df7626a0d4ab0a1685269dba095cd [2018-10-23 18:47:48,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:47:48,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:47:48,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:47:48,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:47:48,060 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:47:48,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d35362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48, skipping insertion in model container [2018-10-23 18:47:48,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:47:48,154 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:47:48,622 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:47:48,627 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:47:48,754 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:47:48,773 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:47:48,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48 WrapperNode [2018-10-23 18:47:48,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:47:48,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:47:48,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:47:48,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:47:48,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:47:48,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:47:48,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:47:48,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:47:48,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:48,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:49,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:49,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:49,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (1/1) ... [2018-10-23 18:47:49,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:47:49,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:47:49,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:47:49,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:47:49,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (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 18:47:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:47:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:47:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:47:52,361 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:47:52,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:47:52 BoogieIcfgContainer [2018-10-23 18:47:52,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:47:52,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:47:52,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:47:52,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:47:52,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:47:48" (1/3) ... [2018-10-23 18:47:52,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a277c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:47:52, skipping insertion in model container [2018-10-23 18:47:52,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:48" (2/3) ... [2018-10-23 18:47:52,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a277c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:47:52, skipping insertion in model container [2018-10-23 18:47:52,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:47:52" (3/3) ... [2018-10-23 18:47:52,376 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label51_true-unreach-call_false-termination.c [2018-10-23 18:47:52,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:47:52,403 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:47:52,422 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:47:52,475 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:47:52,476 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:47:52,477 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:47:52,477 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:47:52,477 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:47:52,477 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:47:52,478 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:47:52,478 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:47:52,478 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:47:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-23 18:47:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-23 18:47:52,535 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:52,536 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:52,539 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:52,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:52,546 INFO L82 PathProgramCache]: Analyzing trace with hash 558269655, now seen corresponding path program 1 times [2018-10-23 18:47:52,548 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:52,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:52,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:52,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:52,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:53,043 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 18:47:53,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:53,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:47:53,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:53,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:53,077 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-23 18:47:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:54,694 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-23 18:47:54,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:54,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-10-23 18:47:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:54,714 INFO L225 Difference]: With dead ends: 531 [2018-10-23 18:47:54,715 INFO L226 Difference]: Without dead ends: 328 [2018-10-23 18:47:54,719 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:47:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-23 18:47:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-23 18:47:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-23 18:47:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 533 transitions. [2018-10-23 18:47:54,791 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 533 transitions. Word has length 107 [2018-10-23 18:47:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:54,792 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 533 transitions. [2018-10-23 18:47:54,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 533 transitions. [2018-10-23 18:47:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-23 18:47:54,797 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:54,798 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:47:54,798 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:54,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:54,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2470338, now seen corresponding path program 1 times [2018-10-23 18:47:54,799 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:54,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:54,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:54,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:54,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:55,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:55,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:55,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:55,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:55,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:55,036 INFO L87 Difference]: Start difference. First operand 328 states and 533 transitions. Second operand 4 states. [2018-10-23 18:47:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:56,457 INFO L93 Difference]: Finished difference Result 918 states and 1534 transitions. [2018-10-23 18:47:56,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:56,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-10-23 18:47:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:56,473 INFO L225 Difference]: With dead ends: 918 [2018-10-23 18:47:56,474 INFO L226 Difference]: Without dead ends: 592 [2018-10-23 18:47:56,477 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 18:47:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-10-23 18:47:56,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-10-23 18:47:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-10-23 18:47:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 895 transitions. [2018-10-23 18:47:56,534 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 895 transitions. Word has length 113 [2018-10-23 18:47:56,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:56,538 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 895 transitions. [2018-10-23 18:47:56,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 895 transitions. [2018-10-23 18:47:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-23 18:47:56,550 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:56,550 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:47:56,550 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:56,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1772789842, now seen corresponding path program 1 times [2018-10-23 18:47:56,551 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:56,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:56,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:56,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:56,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:56,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:56,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:47:56,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:56,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:56,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:56,704 INFO L87 Difference]: Start difference. First operand 592 states and 895 transitions. Second operand 3 states. [2018-10-23 18:47:57,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:57,493 INFO L93 Difference]: Finished difference Result 1314 states and 1999 transitions. [2018-10-23 18:47:57,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:57,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-10-23 18:47:57,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:57,499 INFO L225 Difference]: With dead ends: 1314 [2018-10-23 18:47:57,499 INFO L226 Difference]: Without dead ends: 724 [2018-10-23 18:47:57,501 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:47:57,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-10-23 18:47:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2018-10-23 18:47:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-23 18:47:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1076 transitions. [2018-10-23 18:47:57,527 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1076 transitions. Word has length 121 [2018-10-23 18:47:57,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:57,527 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1076 transitions. [2018-10-23 18:47:57,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1076 transitions. [2018-10-23 18:47:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-23 18:47:57,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:57,531 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:57,531 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:57,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:57,532 INFO L82 PathProgramCache]: Analyzing trace with hash -53792509, now seen corresponding path program 1 times [2018-10-23 18:47:57,532 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:57,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:57,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:57,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:57,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-23 18:47:57,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:57,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:57,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:57,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:57,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:57,779 INFO L87 Difference]: Start difference. First operand 724 states and 1076 transitions. Second operand 4 states. [2018-10-23 18:48:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:01,257 INFO L93 Difference]: Finished difference Result 2634 states and 3965 transitions. [2018-10-23 18:48:01,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:48:01,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-10-23 18:48:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:01,269 INFO L225 Difference]: With dead ends: 2634 [2018-10-23 18:48:01,269 INFO L226 Difference]: Without dead ends: 1912 [2018-10-23 18:48:01,271 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 18:48:01,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2018-10-23 18:48:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2018-10-23 18:48:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1912 states. [2018-10-23 18:48:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2634 transitions. [2018-10-23 18:48:01,310 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2634 transitions. Word has length 131 [2018-10-23 18:48:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:01,310 INFO L481 AbstractCegarLoop]: Abstraction has 1912 states and 2634 transitions. [2018-10-23 18:48:01,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:48:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2634 transitions. [2018-10-23 18:48:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-23 18:48:01,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:01,315 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 18:48:01,315 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:01,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:01,316 INFO L82 PathProgramCache]: Analyzing trace with hash 154110546, now seen corresponding path program 1 times [2018-10-23 18:48:01,316 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:01,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:01,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:01,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:01,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-23 18:48:01,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:48:01,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:48:01,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:48:01,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:48:01,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:48:01,478 INFO L87 Difference]: Start difference. First operand 1912 states and 2634 transitions. Second operand 4 states. [2018-10-23 18:48:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:02,531 INFO L93 Difference]: Finished difference Result 4141 states and 5654 transitions. [2018-10-23 18:48:02,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:48:02,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-10-23 18:48:02,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:02,542 INFO L225 Difference]: With dead ends: 4141 [2018-10-23 18:48:02,543 INFO L226 Difference]: Without dead ends: 2231 [2018-10-23 18:48:02,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:48:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2018-10-23 18:48:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2171. [2018-10-23 18:48:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-23 18:48:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2921 transitions. [2018-10-23 18:48:02,591 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2921 transitions. Word has length 137 [2018-10-23 18:48:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:02,592 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2921 transitions. [2018-10-23 18:48:02,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:48:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2921 transitions. [2018-10-23 18:48:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-23 18:48:02,598 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:02,598 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:02,598 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:02,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:02,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1112001030, now seen corresponding path program 1 times [2018-10-23 18:48:02,599 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:02,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:02,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:02,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:02,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-23 18:48:02,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:48:02,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:48:02,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:48:02,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:48:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:48:02,838 INFO L87 Difference]: Start difference. First operand 2171 states and 2921 transitions. Second operand 4 states. [2018-10-23 18:48:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:04,003 INFO L93 Difference]: Finished difference Result 4340 states and 5840 transitions. [2018-10-23 18:48:04,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:48:04,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-23 18:48:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:04,015 INFO L225 Difference]: With dead ends: 4340 [2018-10-23 18:48:04,015 INFO L226 Difference]: Without dead ends: 2171 [2018-10-23 18:48:04,018 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 18:48:04,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2018-10-23 18:48:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2171. [2018-10-23 18:48:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2171 states. [2018-10-23 18:48:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2897 transitions. [2018-10-23 18:48:04,058 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2897 transitions. Word has length 142 [2018-10-23 18:48:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:04,058 INFO L481 AbstractCegarLoop]: Abstraction has 2171 states and 2897 transitions. [2018-10-23 18:48:04,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:48:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2897 transitions. [2018-10-23 18:48:04,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-23 18:48:04,063 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:04,063 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:04,064 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:04,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:04,064 INFO L82 PathProgramCache]: Analyzing trace with hash -337482434, now seen corresponding path program 1 times [2018-10-23 18:48:04,064 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:04,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:04,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:04,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:04,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-23 18:48:04,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:48:04,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:48:04,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:48:04,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:48:04,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:48:04,165 INFO L87 Difference]: Start difference. First operand 2171 states and 2897 transitions. Second operand 3 states. [2018-10-23 18:48:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:05,276 INFO L93 Difference]: Finished difference Result 5911 states and 7850 transitions. [2018-10-23 18:48:05,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:48:05,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-10-23 18:48:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:05,286 INFO L225 Difference]: With dead ends: 5911 [2018-10-23 18:48:05,286 INFO L226 Difference]: Without dead ends: 2548 [2018-10-23 18:48:05,290 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 18:48:05,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2018-10-23 18:48:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2548. [2018-10-23 18:48:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2548 states. [2018-10-23 18:48:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 2960 transitions. [2018-10-23 18:48:05,337 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 2960 transitions. Word has length 145 [2018-10-23 18:48:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:05,338 INFO L481 AbstractCegarLoop]: Abstraction has 2548 states and 2960 transitions. [2018-10-23 18:48:05,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:48:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2960 transitions. [2018-10-23 18:48:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-23 18:48:05,344 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:05,344 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:05,344 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:05,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1878812105, now seen corresponding path program 1 times [2018-10-23 18:48:05,345 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:05,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:05,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:05,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:05,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:05,811 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-23 18:48:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:48:05,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:48:05,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:48:05,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:48:05,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:48:05,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:48:05,851 INFO L87 Difference]: Start difference. First operand 2548 states and 2960 transitions. Second operand 5 states. [2018-10-23 18:48:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:09,609 INFO L93 Difference]: Finished difference Result 7609 states and 8959 transitions. [2018-10-23 18:48:09,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:48:09,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-10-23 18:48:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:09,624 INFO L225 Difference]: With dead ends: 7609 [2018-10-23 18:48:09,624 INFO L226 Difference]: Without dead ends: 4663 [2018-10-23 18:48:09,628 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:48:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2018-10-23 18:48:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 3730. [2018-10-23 18:48:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2018-10-23 18:48:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 4199 transitions. [2018-10-23 18:48:09,689 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 4199 transitions. Word has length 159 [2018-10-23 18:48:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:09,689 INFO L481 AbstractCegarLoop]: Abstraction has 3730 states and 4199 transitions. [2018-10-23 18:48:09,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 18:48:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4199 transitions. [2018-10-23 18:48:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-23 18:48:09,695 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:09,695 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-23 18:48:09,696 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:09,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:09,696 INFO L82 PathProgramCache]: Analyzing trace with hash 242524652, now seen corresponding path program 1 times [2018-10-23 18:48:09,696 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:09,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:09,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:09,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:09,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:10,029 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-23 18:48:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-23 18:48:10,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:48:10,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:48:10,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:48:10,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:48:10,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:48:10,053 INFO L87 Difference]: Start difference. First operand 3730 states and 4199 transitions. Second operand 4 states. [2018-10-23 18:48:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:11,316 INFO L93 Difference]: Finished difference Result 7859 states and 8918 transitions. [2018-10-23 18:48:11,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:48:11,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2018-10-23 18:48:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:11,328 INFO L225 Difference]: With dead ends: 7859 [2018-10-23 18:48:11,328 INFO L226 Difference]: Without dead ends: 3997 [2018-10-23 18:48:11,331 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 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 18:48:11,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2018-10-23 18:48:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3997. [2018-10-23 18:48:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3997 states. [2018-10-23 18:48:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 3997 states and 4345 transitions. [2018-10-23 18:48:11,390 INFO L78 Accepts]: Start accepts. Automaton has 3997 states and 4345 transitions. Word has length 189 [2018-10-23 18:48:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:11,390 INFO L481 AbstractCegarLoop]: Abstraction has 3997 states and 4345 transitions. [2018-10-23 18:48:11,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:48:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3997 states and 4345 transitions. [2018-10-23 18:48:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-23 18:48:11,397 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:48:11,397 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-23 18:48:11,398 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:48:11,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:48:11,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1917707251, now seen corresponding path program 1 times [2018-10-23 18:48:11,398 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:48:11,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:48:11,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:11,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:11,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:48:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:11,729 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-23 18:48:11,946 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-23 18:48:12,211 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-23 18:48:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-23 18:48:12,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:48:12,288 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 18:48:12,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:48:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:48:12,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:48:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-23 18:48:12,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:48:12,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-10-23 18:48:12,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-23 18:48:12,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-23 18:48:12,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-10-23 18:48:12,663 INFO L87 Difference]: Start difference. First operand 3997 states and 4345 transitions. Second operand 9 states. [2018-10-23 18:48:18,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:48:18,861 INFO L93 Difference]: Finished difference Result 7589 states and 8269 transitions. [2018-10-23 18:48:18,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-23 18:48:18,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-10-23 18:48:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:48:18,863 INFO L225 Difference]: With dead ends: 7589 [2018-10-23 18:48:18,864 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 18:48:18,869 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-10-23 18:48:18,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 18:48:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 18:48:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 18:48:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 18:48:18,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-10-23 18:48:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:48:18,870 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 18:48:18,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-23 18:48:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 18:48:18,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 18:48:18,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 18:48:20,710 WARN L179 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2018-10-23 18:48:21,207 WARN L179 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-10-23 18:48:21,219 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-23 18:48:21,219 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-23 18:48:21,220 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,221 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-23 18:48:21,222 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,223 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-23 18:48:21,224 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-23 18:48:21,225 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-23 18:48:21,225 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-23 18:48:21,225 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (let ((.cse5 (= ~a12~0 8)) (.cse3 (not (= 5 ~a16~0))) (.cse9 (not .cse0)) (.cse6 (<= ~a20~0 0)) (.cse1 (= ~a21~0 1)) (.cse8 (= ~a16~0 4)) (.cse10 (= ~a16~0 5)) (.cse4 (= ~a8~0 15)) (.cse7 (= ~a7~0 1)) (.cse11 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8 .cse0) (and .cse9 .cse6 .cse10) (and (not (= 1 ULTIMATE.start_calculate_output_~input)) .cse4 .cse0 .cse5 .cse1 .cse2) (and .cse3 (and .cse4 .cse2 .cse9)) (and .cse7 .cse4 (not (= ~a16~0 6)) .cse9) (and .cse4 .cse3 .cse6) (and .cse8 .cse9 .cse6) (and .cse8 .cse11 .cse2) (and .cse7 .cse0 .cse1) (and .cse7 .cse4 .cse10) (and (and .cse7 .cse2) .cse8) (and .cse7 .cse2 .cse10) (and .cse4 .cse11 .cse2) (and .cse7 .cse11 .cse2)))) [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-23 18:48:21,226 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-23 18:48:21,227 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-23 18:48:21,227 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-23 18:48:21,228 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-23 18:48:21,229 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,230 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (let ((.cse9 (not .cse0)) (.cse3 (not (= 5 ~a16~0))) (.cse6 (<= ~a20~0 0)) (.cse5 (= ~a12~0 8)) (.cse1 (= ~a21~0 1)) (.cse8 (= ~a16~0 4)) (.cse10 (= ~a16~0 5)) (.cse4 (= ~a8~0 15)) (.cse7 (= ~a7~0 1)) (.cse11 (<= ~a17~0 0)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8 .cse0) (and .cse9 .cse6 .cse10) (and .cse3 (and .cse4 .cse2 .cse9)) (and .cse7 .cse4 (not (= ~a16~0 6)) .cse9) (and .cse8 .cse9 .cse6) (and .cse4 .cse3 .cse6) (and .cse8 .cse11 .cse2) (and .cse7 .cse0 .cse1) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse7 .cse4 .cse10) (and (and .cse7 .cse2) .cse8) (and .cse7 .cse2 .cse10) (and .cse4 .cse11 .cse2) (and .cse7 .cse11 .cse2)))) [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-23 18:48:21,231 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 18:48:21,232 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-23 18:48:21,233 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-23 18:48:21,234 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-23 18:48:21,235 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,236 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-23 18:48:21,237 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 494) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,238 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-23 18:48:21,239 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-23 18:48:21,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:48:21 BoogieIcfgContainer [2018-10-23 18:48:21,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:48:21,266 INFO L168 Benchmark]: Toolchain (without parser) took 33211.55 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -730.5 MB). Peak memory consumption was 362.6 MB. Max. memory is 7.1 GB. [2018-10-23 18:48:21,267 INFO L168 Benchmark]: CDTParser took 0.21 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 18:48:21,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:48:21,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2018-10-23 18:48:21,269 INFO L168 Benchmark]: Boogie Preprocessor took 84.74 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:48:21,270 INFO L168 Benchmark]: RCFGBuilder took 3294.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2018-10-23 18:48:21,271 INFO L168 Benchmark]: TraceAbstraction took 28901.92 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 359.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:48:21,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 718.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 207.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.74 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3294.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28901.92 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 359.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 494]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16)) || (((a8 == 15 && a12 == 8) && a21 == 1) && a20 <= 0)) || ((a7 == 1 && a16 == 4) && a17 == 1)) || ((!(a17 == 1) && a20 <= 0) && a16 == 5)) || (!(5 == a16) && (a8 == 15 && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a8 == 15) && !(a16 == 6)) && !(a17 == 1))) || ((a16 == 4 && !(a17 == 1)) && a20 <= 0)) || ((a8 == 15 && !(5 == a16)) && a20 <= 0)) || ((a16 == 4 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || ((((a8 == 15 && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a20 == 1) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((a17 == 1 && a21 == 1) && a20 == 1) && !(5 == a16)) || (((a8 == 15 && a12 == 8) && a21 == 1) && a20 <= 0)) || ((a7 == 1 && a16 == 4) && a17 == 1)) || ((!(a17 == 1) && a20 <= 0) && a16 == 5)) || (((((!(1 == input) && a8 == 15) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || (!(5 == a16) && (a8 == 15 && a20 == 1) && !(a17 == 1))) || (((a7 == 1 && a8 == 15) && !(a16 == 6)) && !(a17 == 1))) || ((a8 == 15 && !(5 == a16)) && a20 <= 0)) || ((a16 == 4 && !(a17 == 1)) && a20 <= 0)) || ((a16 == 4 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || ((a7 == 1 && a8 == 15) && a16 == 5)) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 == 1 && a20 == 1) && a16 == 5)) || ((a8 == 15 && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 28.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 22.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1511 SDtfs, 3742 SDslu, 797 SDs, 0 SdLazy, 9775 SolverSat, 1349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 232 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3997occurred in iteration=9, 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 993 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 89 NumberOfFragments, 383 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1635 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 538 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1661 ConstructedInterpolants, 0 QuantifiedInterpolants, 641758 SizeOfPredicates, 1 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 622/736 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...