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_label28_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:47:07,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:47:07,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:47:07,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:47:07,082 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:47:07,083 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:47:07,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:47:07,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:47:07,087 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:47:07,088 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:47:07,089 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:47:07,089 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:47:07,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:47:07,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:47:07,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:47:07,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:47:07,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:47:07,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:47:07,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:47:07,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:47:07,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:47:07,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:47:07,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 18:47:07,136 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 18:47:07,167 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:47:07,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:47:07,168 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:47:07,169 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:47:07,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:47:07,170 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:47:07,171 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:47:07,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:47:07,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:47:07,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:47:07,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:47:07,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:47:07,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:47:07,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:47:07,173 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:47:07,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:47:07,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:47:07,174 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:47:07,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:47:07,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:47:07,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:47:07,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:47:07,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:47:07,176 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:47:07,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:47:07,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:47:07,177 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:47:07,177 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:47:07,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:47:07,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:47:07,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:47:07,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:47:07,261 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:47:07,262 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-10-23 18:47:07,327 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/607c08609/88d3461e97ed4e44be0f0ddf8a20502b/FLAG5a866d698 [2018-10-23 18:47:07,960 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:47:07,964 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-10-23 18:47:07,986 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/607c08609/88d3461e97ed4e44be0f0ddf8a20502b/FLAG5a866d698 [2018-10-23 18:47:08,014 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/607c08609/88d3461e97ed4e44be0f0ddf8a20502b [2018-10-23 18:47:08,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:47:08,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:47:08,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:47:08,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:47:08,036 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:47:08,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:08,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08, skipping insertion in model container [2018-10-23 18:47:08,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:08,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:47:08,128 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:47:08,648 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:47:08,654 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:47:08,770 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:47:08,789 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:47:08,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08 WrapperNode [2018-10-23 18:47:08,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:47:08,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:47:08,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:47:08,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:47:08,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:08,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:08,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:47:08,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:47:08,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:47:08,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:47:08,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:08,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... [2018-10-23 18:47:09,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:47:09,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:47:09,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:47:09,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:47:09,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:47:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:47:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:47:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:47:12,343 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:47:12,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:47:12 BoogieIcfgContainer [2018-10-23 18:47:12,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:47:12,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:47:12,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:47:12,349 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:47:12,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:47:08" (1/3) ... [2018-10-23 18:47:12,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:47:12, skipping insertion in model container [2018-10-23 18:47:12,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:47:08" (2/3) ... [2018-10-23 18:47:12,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:47:12, skipping insertion in model container [2018-10-23 18:47:12,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:47:12" (3/3) ... [2018-10-23 18:47:12,354 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label28_true-unreach-call_false-termination.c [2018-10-23 18:47:12,365 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:47:12,377 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:47:12,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:47:12,451 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:47:12,452 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:47:12,453 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:47:12,453 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:47:12,453 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:47:12,453 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:47:12,454 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:47:12,454 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:47:12,454 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:47:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-23 18:47:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-23 18:47:12,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:12,515 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] [2018-10-23 18:47:12,517 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:12,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1630454777, now seen corresponding path program 1 times [2018-10-23 18:47:12,527 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:12,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:12,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:12,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:12,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:13,054 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 18:47:13,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:13,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:47:13,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:13,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:13,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:13,085 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-23 18:47:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:14,680 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-23 18:47:14,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:14,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-10-23 18:47:14,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:14,702 INFO L225 Difference]: With dead ends: 531 [2018-10-23 18:47:14,703 INFO L226 Difference]: Without dead ends: 328 [2018-10-23 18:47:14,707 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 18:47:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-23 18:47:14,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-23 18:47:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-23 18:47:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 533 transitions. [2018-10-23 18:47:14,779 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 533 transitions. Word has length 94 [2018-10-23 18:47:14,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:14,780 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 533 transitions. [2018-10-23 18:47:14,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 533 transitions. [2018-10-23 18:47:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-23 18:47:14,785 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:14,785 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] [2018-10-23 18:47:14,786 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:14,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2039531712, now seen corresponding path program 1 times [2018-10-23 18:47:14,787 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:14,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:14,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:14,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:14,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:14,911 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 18:47:14,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:14,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:14,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:14,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:14,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:14,915 INFO L87 Difference]: Start difference. First operand 328 states and 533 transitions. Second operand 4 states. [2018-10-23 18:47:16,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:16,243 INFO L93 Difference]: Finished difference Result 918 states and 1534 transitions. [2018-10-23 18:47:16,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:16,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-23 18:47:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:16,251 INFO L225 Difference]: With dead ends: 918 [2018-10-23 18:47:16,251 INFO L226 Difference]: Without dead ends: 592 [2018-10-23 18:47:16,254 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-10-23 18:47:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-10-23 18:47:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-10-23 18:47:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 895 transitions. [2018-10-23 18:47:16,288 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 895 transitions. Word has length 100 [2018-10-23 18:47:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:16,289 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 895 transitions. [2018-10-23 18:47:16,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 895 transitions. [2018-10-23 18:47:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-23 18:47:16,295 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:16,296 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:47:16,296 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:16,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:16,297 INFO L82 PathProgramCache]: Analyzing trace with hash 976219638, now seen corresponding path program 1 times [2018-10-23 18:47:16,297 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:16,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:16,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:16,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:16,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:16,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:16,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:16,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:16,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:16,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:16,444 INFO L87 Difference]: Start difference. First operand 592 states and 895 transitions. Second operand 4 states. [2018-10-23 18:47:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:19,766 INFO L93 Difference]: Finished difference Result 2238 states and 3452 transitions. [2018-10-23 18:47:19,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:47:19,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-23 18:47:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:19,777 INFO L225 Difference]: With dead ends: 2238 [2018-10-23 18:47:19,778 INFO L226 Difference]: Without dead ends: 1648 [2018-10-23 18:47:19,780 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2018-10-23 18:47:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2018-10-23 18:47:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2018-10-23 18:47:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2339 transitions. [2018-10-23 18:47:19,834 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2339 transitions. Word has length 104 [2018-10-23 18:47:19,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:19,835 INFO L481 AbstractCegarLoop]: Abstraction has 1648 states and 2339 transitions. [2018-10-23 18:47:19,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2339 transitions. [2018-10-23 18:47:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-23 18:47:19,843 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:19,843 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 18:47:19,843 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:19,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:19,844 INFO L82 PathProgramCache]: Analyzing trace with hash -909606700, now seen corresponding path program 1 times [2018-10-23 18:47:19,844 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:19,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:19,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:19,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:19,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 18:47:20,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:20,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:47:20,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:20,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:20,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:20,002 INFO L87 Difference]: Start difference. First operand 1648 states and 2339 transitions. Second operand 3 states. [2018-10-23 18:47:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:21,238 INFO L93 Difference]: Finished difference Result 3822 states and 5535 transitions. [2018-10-23 18:47:21,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:21,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-10-23 18:47:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:21,251 INFO L225 Difference]: With dead ends: 3822 [2018-10-23 18:47:21,251 INFO L226 Difference]: Without dead ends: 2176 [2018-10-23 18:47:21,254 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 18:47:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2018-10-23 18:47:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2176. [2018-10-23 18:47:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2176 states. [2018-10-23 18:47:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3102 transitions. [2018-10-23 18:47:21,300 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3102 transitions. Word has length 108 [2018-10-23 18:47:21,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:21,300 INFO L481 AbstractCegarLoop]: Abstraction has 2176 states and 3102 transitions. [2018-10-23 18:47:21,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3102 transitions. [2018-10-23 18:47:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-23 18:47:21,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:21,304 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:21,304 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:21,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:21,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2057736711, now seen corresponding path program 1 times [2018-10-23 18:47:21,305 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:21,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:21,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:21,483 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-23 18:47:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:21,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:21,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:21,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:21,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:21,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:21,521 INFO L87 Difference]: Start difference. First operand 2176 states and 3102 transitions. Second operand 4 states. [2018-10-23 18:47:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:22,506 INFO L93 Difference]: Finished difference Result 4669 states and 6590 transitions. [2018-10-23 18:47:22,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:47:22,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-10-23 18:47:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:22,518 INFO L225 Difference]: With dead ends: 4669 [2018-10-23 18:47:22,518 INFO L226 Difference]: Without dead ends: 2495 [2018-10-23 18:47:22,522 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 18:47:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2018-10-23 18:47:22,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2435. [2018-10-23 18:47:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2435 states. [2018-10-23 18:47:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3389 transitions. [2018-10-23 18:47:22,569 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3389 transitions. Word has length 110 [2018-10-23 18:47:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:22,570 INFO L481 AbstractCegarLoop]: Abstraction has 2435 states and 3389 transitions. [2018-10-23 18:47:22,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3389 transitions. [2018-10-23 18:47:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-23 18:47:22,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:22,574 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-10-23 18:47:22,574 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:22,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash 176836447, now seen corresponding path program 1 times [2018-10-23 18:47:22,575 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:22,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:22,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:22,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:22,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:22,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:22,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:22,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:22,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:22,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:22,755 INFO L87 Difference]: Start difference. First operand 2435 states and 3389 transitions. Second operand 4 states. [2018-10-23 18:47:24,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:24,476 INFO L93 Difference]: Finished difference Result 4868 states and 6776 transitions. [2018-10-23 18:47:24,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:47:24,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2018-10-23 18:47:24,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:24,487 INFO L225 Difference]: With dead ends: 4868 [2018-10-23 18:47:24,488 INFO L226 Difference]: Without dead ends: 2435 [2018-10-23 18:47:24,491 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 18:47:24,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2018-10-23 18:47:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2435. [2018-10-23 18:47:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2435 states. [2018-10-23 18:47:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3365 transitions. [2018-10-23 18:47:24,535 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3365 transitions. Word has length 115 [2018-10-23 18:47:24,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:24,535 INFO L481 AbstractCegarLoop]: Abstraction has 2435 states and 3365 transitions. [2018-10-23 18:47:24,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3365 transitions. [2018-10-23 18:47:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-23 18:47:24,539 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:24,539 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-23 18:47:24,540 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:24,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:24,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1844441755, now seen corresponding path program 1 times [2018-10-23 18:47:24,540 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:24,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:24,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:24,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:24,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:24,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:24,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:24,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:24,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:24,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:24,639 INFO L87 Difference]: Start difference. First operand 2435 states and 3365 transitions. Second operand 3 states. [2018-10-23 18:47:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:25,615 INFO L93 Difference]: Finished difference Result 6439 states and 8780 transitions. [2018-10-23 18:47:25,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:25,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-10-23 18:47:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:25,630 INFO L225 Difference]: With dead ends: 6439 [2018-10-23 18:47:25,630 INFO L226 Difference]: Without dead ends: 3317 [2018-10-23 18:47:25,635 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 18:47:25,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2018-10-23 18:47:25,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 3266. [2018-10-23 18:47:25,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3266 states. [2018-10-23 18:47:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 3266 states and 3890 transitions. [2018-10-23 18:47:25,689 INFO L78 Accepts]: Start accepts. Automaton has 3266 states and 3890 transitions. Word has length 118 [2018-10-23 18:47:25,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:25,689 INFO L481 AbstractCegarLoop]: Abstraction has 3266 states and 3890 transitions. [2018-10-23 18:47:25,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 3890 transitions. [2018-10-23 18:47:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-23 18:47:25,694 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:25,694 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:47:25,694 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:25,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:25,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1325271489, now seen corresponding path program 1 times [2018-10-23 18:47:25,695 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:25,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:25,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:25,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:25,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-23 18:47:25,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:25,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-23 18:47:25,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:25,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:25,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:25,796 INFO L87 Difference]: Start difference. First operand 3266 states and 3890 transitions. Second operand 3 states. [2018-10-23 18:47:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:26,390 INFO L93 Difference]: Finished difference Result 6398 states and 7640 transitions. [2018-10-23 18:47:26,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:26,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-10-23 18:47:26,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:26,399 INFO L225 Difference]: With dead ends: 6398 [2018-10-23 18:47:26,399 INFO L226 Difference]: Without dead ends: 2676 [2018-10-23 18:47:26,404 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 18:47:26,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2018-10-23 18:47:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2018-10-23 18:47:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2018-10-23 18:47:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3039 transitions. [2018-10-23 18:47:26,452 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3039 transitions. Word has length 127 [2018-10-23 18:47:26,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:26,452 INFO L481 AbstractCegarLoop]: Abstraction has 2676 states and 3039 transitions. [2018-10-23 18:47:26,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3039 transitions. [2018-10-23 18:47:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-23 18:47:26,456 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:26,456 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:26,457 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:26,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1421267728, now seen corresponding path program 1 times [2018-10-23 18:47:26,457 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:26,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:26,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:26,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:26,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:27,484 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-10-23 18:47:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:47:27,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:27,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-23 18:47:27,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-23 18:47:27,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-23 18:47:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-10-23 18:47:27,629 INFO L87 Difference]: Start difference. First operand 2676 states and 3039 transitions. Second operand 12 states. [2018-10-23 18:47:30,110 WARN L179 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-10-23 18:47:30,923 WARN L179 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2018-10-23 18:47:31,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:31,837 INFO L93 Difference]: Finished difference Result 6122 states and 6976 transitions. [2018-10-23 18:47:31,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-23 18:47:31,838 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2018-10-23 18:47:31,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:31,848 INFO L225 Difference]: With dead ends: 6122 [2018-10-23 18:47:31,849 INFO L226 Difference]: Without dead ends: 3413 [2018-10-23 18:47:31,852 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2018-10-23 18:47:31,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2018-10-23 18:47:31,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3237. [2018-10-23 18:47:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3237 states. [2018-10-23 18:47:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 3609 transitions. [2018-10-23 18:47:31,903 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 3609 transitions. Word has length 132 [2018-10-23 18:47:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:31,903 INFO L481 AbstractCegarLoop]: Abstraction has 3237 states and 3609 transitions. [2018-10-23 18:47:31,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-23 18:47:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3609 transitions. [2018-10-23 18:47:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-23 18:47:31,909 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:31,910 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-23 18:47:31,910 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:31,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:31,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1664526263, now seen corresponding path program 1 times [2018-10-23 18:47:31,911 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:31,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:31,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:31,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:31,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:32,396 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-23 18:47:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-23 18:47:32,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:32,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:47:32,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:47:32,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:47:32,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:32,425 INFO L87 Difference]: Start difference. First operand 3237 states and 3609 transitions. Second operand 4 states. [2018-10-23 18:47:33,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:33,794 INFO L93 Difference]: Finished difference Result 6877 states and 7685 transitions. [2018-10-23 18:47:33,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:47:33,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2018-10-23 18:47:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:33,806 INFO L225 Difference]: With dead ends: 6877 [2018-10-23 18:47:33,806 INFO L226 Difference]: Without dead ends: 2972 [2018-10-23 18:47:33,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:47:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2018-10-23 18:47:33,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2972. [2018-10-23 18:47:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2018-10-23 18:47:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 3229 transitions. [2018-10-23 18:47:33,850 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 3229 transitions. Word has length 206 [2018-10-23 18:47:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:33,850 INFO L481 AbstractCegarLoop]: Abstraction has 2972 states and 3229 transitions. [2018-10-23 18:47:33,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:47:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3229 transitions. [2018-10-23 18:47:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-23 18:47:33,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:33,856 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 18:47:33,856 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:33,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:33,856 INFO L82 PathProgramCache]: Analyzing trace with hash 768711416, now seen corresponding path program 1 times [2018-10-23 18:47:33,857 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:33,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:33,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:33,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:33,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-23 18:47:34,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:47:34,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:47:34,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 18:47:34,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 18:47:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 18:47:34,056 INFO L87 Difference]: Start difference. First operand 2972 states and 3229 transitions. Second operand 3 states. [2018-10-23 18:47:34,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:34,759 INFO L93 Difference]: Finished difference Result 5677 states and 6182 transitions. [2018-10-23 18:47:34,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 18:47:34,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2018-10-23 18:47:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:34,770 INFO L225 Difference]: With dead ends: 5677 [2018-10-23 18:47:34,770 INFO L226 Difference]: Without dead ends: 2839 [2018-10-23 18:47:34,773 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 18:47:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2018-10-23 18:47:34,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2839. [2018-10-23 18:47:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2839 states. [2018-10-23 18:47:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3088 transitions. [2018-10-23 18:47:34,821 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3088 transitions. Word has length 212 [2018-10-23 18:47:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:34,822 INFO L481 AbstractCegarLoop]: Abstraction has 2839 states and 3088 transitions. [2018-10-23 18:47:34,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 18:47:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3088 transitions. [2018-10-23 18:47:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-10-23 18:47:34,832 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:47:34,832 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-10-23 18:47:34,832 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:47:34,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:47:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1298101107, now seen corresponding path program 1 times [2018-10-23 18:47:34,833 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:47:34,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:47:34,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:34,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:34,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:47:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 364 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-23 18:47:36,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:47:36,007 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 18:47:36,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:47:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:47:36,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:47:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-23 18:47:36,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:47:36,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2018-10-23 18:47:36,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-23 18:47:36,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-23 18:47:36,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-10-23 18:47:36,324 INFO L87 Difference]: Start difference. First operand 2839 states and 3088 transitions. Second operand 14 states. [2018-10-23 18:47:40,379 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2018-10-23 18:47:40,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:47:40,764 INFO L93 Difference]: Finished difference Result 5325 states and 5806 transitions. [2018-10-23 18:47:40,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 18:47:40,765 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2018-10-23 18:47:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:47:40,765 INFO L225 Difference]: With dead ends: 5325 [2018-10-23 18:47:40,765 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 18:47:40,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2018-10-23 18:47:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 18:47:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 18:47:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 18:47:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 18:47:40,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2018-10-23 18:47:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:47:40,770 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 18:47:40,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-23 18:47:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 18:47:40,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 18:47:40,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 18:47:41,689 WARN L179 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2018-10-23 18:47:41,924 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2018-10-23 18:47:41,932 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-23 18:47:41,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 455) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-23 18:47:41,933 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-23 18:47:41,934 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-23 18:47:41,935 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-23 18:47:41,936 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-23 18:47:41,937 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-23 18:47:41,938 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-23 18:47:41,938 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-23 18:47:41,938 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-23 18:47:41,938 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse11 (= ~a16~0 6)) (.cse10 (= ~a8~0 15)) (.cse2 (= ~a21~0 1)) (.cse9 (= ~a7~0 1))) (let ((.cse0 (= ~a17~0 1)) (.cse4 (<= ~a21~0 0)) (.cse5 (= ~a8~0 13)) (.cse6 (or (and .cse10 .cse2) .cse9)) (.cse1 (= ~a12~0 8)) (.cse7 (<= ~a17~0 0)) (.cse8 (= ~a20~0 1)) (.cse3 (not .cse11))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse4 (= ~a16~0 4) .cse5 .cse6 .cse1 .cse7 .cse8) (and .cse9 .cse0 .cse2) (and (not .cse9) .cse10 .cse1 .cse2) (and .cse9 .cse4 .cse3 .cse5 .cse0 .cse1) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse8 .cse11 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse9 .cse3 .cse2)))) [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-23 18:47:41,939 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-23 18:47:41,940 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,941 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-23 18:47:41,942 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-23 18:47:41,943 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,944 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse11 (= ~a16~0 6)) (.cse10 (= ~a8~0 15)) (.cse2 (= ~a21~0 1)) (.cse9 (= ~a7~0 1))) (let ((.cse0 (= ~a17~0 1)) (.cse4 (<= ~a21~0 0)) (.cse5 (= ~a8~0 13)) (.cse6 (or (and .cse10 .cse2) .cse9)) (.cse1 (= ~a12~0 8)) (.cse7 (<= ~a17~0 0)) (.cse8 (= ~a20~0 1)) (.cse3 (not .cse11))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse4 (= ~a16~0 4) .cse5 .cse6 .cse1 .cse7 .cse8) (and .cse9 .cse0 .cse2) (and (not .cse9) .cse10 .cse1 .cse2) (and .cse9 .cse4 .cse3 .cse5 .cse0 .cse1) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse8 .cse11 (or (= ULTIMATE.start_calculate_output_~input 2) (= ULTIMATE.start_calculate_output_~input 4) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 6))) (and .cse9 .cse3 .cse2)))) [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-23 18:47:41,945 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-23 18:47:41,946 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-23 18:47:41,947 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 18:47:41,948 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-23 18:47:41,949 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-23 18:47:41,950 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,951 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-23 18:47:41,952 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-23 18:47:41,953 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-23 18:47:41,953 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-23 18:47:41,953 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-23 18:47:41,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:47:41 BoogieIcfgContainer [2018-10-23 18:47:41,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:47:41,976 INFO L168 Benchmark]: Toolchain (without parser) took 33947.44 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 1.8 GB in the end (delta: -336.2 MB). Peak memory consumption was 770.0 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:41,977 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:47:41,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.68 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 18:47:41,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:41,979 INFO L168 Benchmark]: Boogie Preprocessor took 120.84 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:41,980 INFO L168 Benchmark]: RCFGBuilder took 3237.69 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:41,981 INFO L168 Benchmark]: TraceAbstraction took 29629.68 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 372.8 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 312.4 MB). Peak memory consumption was 685.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:47:41,987 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.68 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 194.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.84 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3237.69 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29629.68 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 372.8 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 312.4 MB). Peak memory consumption was 685.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 455]: 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 && a12 == 8) && a21 == 1) || ((!(a16 == 6) && a12 == 8) && a21 == 1)) || ((((((a21 <= 0 && a16 == 4) && a8 == 13) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1)) || (((((a7 == 1 && a21 <= 0) && !(a16 == 6)) && a8 == 13) && a17 == 1) && a12 == 8)) || (((((((a21 <= 0 && a8 == 13) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6) && ((((input == 2 || input == 4) || 1 == input) || 5 == input) || input == 6))) || ((a7 == 1 && !(a16 == 6)) && a21 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((a17 == 1 && a12 == 8) && a21 == 1) || ((!(a16 == 6) && a12 == 8) && a21 == 1)) || ((((((a21 <= 0 && a16 == 4) && a8 == 13) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a17 <= 0) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1)) || (((((a7 == 1 && a21 <= 0) && !(a16 == 6)) && a8 == 13) && a17 == 1) && a12 == 8)) || (((((((a21 <= 0 && a8 == 13) && ((a8 == 15 && a21 == 1) || a7 == 1)) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6) && ((((input == 2 || input == 4) || 1 == input) || 5 == input) || input == 6))) || ((a7 == 1 && !(a16 == 6)) && a21 == 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, 29.5s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 22.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1624 SDtfs, 3383 SDslu, 812 SDs, 0 SdLazy, 8356 SolverSat, 1176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 304 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3266occurred in iteration=7, 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: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 287 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 79 NumberOfFragments, 307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2230 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 234 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2006 NumberOfCodeBlocks, 2006 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1993 ConstructedInterpolants, 0 QuantifiedInterpolants, 1774086 SizeOfPredicates, 1 NumberOfNonLiveVariables, 521 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 1591/1601 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...