./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label23_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e679f9bfc379fa4fbede70512fc16896a5c333e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 22:21:11,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 22:21:11,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 22:21:11,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 22:21:11,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 22:21:11,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 22:21:11,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 22:21:11,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 22:21:11,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 22:21:11,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 22:21:11,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 22:21:11,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 22:21:11,149 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 22:21:11,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 22:21:11,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 22:21:11,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 22:21:11,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 22:21:11,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 22:21:11,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 22:21:11,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 22:21:11,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 22:21:11,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 22:21:11,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 22:21:11,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 22:21:11,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 22:21:11,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 22:21:11,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 22:21:11,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 22:21:11,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 22:21:11,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 22:21:11,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 22:21:11,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 22:21:11,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 22:21:11,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 22:21:11,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 22:21:11,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 22:21:11,175 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 22:21:11,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 22:21:11,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 22:21:11,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 22:21:11,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 22:21:11,193 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 22:21:11,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 22:21:11,194 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 22:21:11,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 22:21:11,194 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 22:21:11,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 22:21:11,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 22:21:11,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 22:21:11,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 22:21:11,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 22:21:11,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 22:21:11,195 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 22:21:11,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 22:21:11,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 22:21:11,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 22:21:11,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 22:21:11,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 22:21:11,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:21:11,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 22:21:11,199 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-12-30 22:21:11,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 22:21:11,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 22:21:11,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 22:21:11,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 22:21:11,276 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 22:21:11,277 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-30 22:21:11,343 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981f3efec/d7602c47b843421eb76baeb21bd5d358/FLAG7c5fd7031 [2018-12-30 22:21:11,927 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 22:21:11,929 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-30 22:21:11,946 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981f3efec/d7602c47b843421eb76baeb21bd5d358/FLAG7c5fd7031 [2018-12-30 22:21:12,196 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981f3efec/d7602c47b843421eb76baeb21bd5d358 [2018-12-30 22:21:12,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 22:21:12,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 22:21:12,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 22:21:12,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 22:21:12,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 22:21:12,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:12,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283bee70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12, skipping insertion in model container [2018-12-30 22:21:12,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:12,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 22:21:12,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 22:21:12,688 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:21:12,693 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 22:21:12,855 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:21:12,874 INFO L195 MainTranslator]: Completed translation [2018-12-30 22:21:12,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12 WrapperNode [2018-12-30 22:21:12,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 22:21:12,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 22:21:12,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 22:21:12,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 22:21:12,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:12,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 22:21:13,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 22:21:13,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 22:21:13,059 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 22:21:13,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... [2018-12-30 22:21:13,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 22:21:13,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 22:21:13,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 22:21:13,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 22:21:13,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:21:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 22:21:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 22:21:16,516 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 22:21:16,517 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 22:21:16,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:16 BoogieIcfgContainer [2018-12-30 22:21:16,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 22:21:16,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 22:21:16,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 22:21:16,522 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 22:21:16,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 10:21:12" (1/3) ... [2018-12-30 22:21:16,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5773f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:21:16, skipping insertion in model container [2018-12-30 22:21:16,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:21:12" (2/3) ... [2018-12-30 22:21:16,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5773f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:21:16, skipping insertion in model container [2018-12-30 22:21:16,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:16" (3/3) ... [2018-12-30 22:21:16,526 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-12-30 22:21:16,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 22:21:16,545 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 22:21:16,563 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 22:21:16,599 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 22:21:16,599 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 22:21:16,600 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 22:21:16,600 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 22:21:16,600 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 22:21:16,600 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 22:21:16,601 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 22:21:16,601 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 22:21:16,601 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 22:21:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2018-12-30 22:21:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-30 22:21:16,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:16,633 INFO L402 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] [2018-12-30 22:21:16,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:16,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:16,641 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2018-12-30 22:21:16,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:16,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:16,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:16,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:16,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:17,340 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-12-30 22:21:17,737 WARN L181 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-12-30 22:21:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:17,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:17,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-30 22:21:17,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-30 22:21:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-30 22:21:17,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-30 22:21:17,945 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2018-12-30 22:21:22,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:22,706 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2018-12-30 22:21:22,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-30 22:21:22,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2018-12-30 22:21:22,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:22,730 INFO L225 Difference]: With dead ends: 982 [2018-12-30 22:21:22,731 INFO L226 Difference]: Without dead ends: 699 [2018-12-30 22:21:22,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-12-30 22:21:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-12-30 22:21:22,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2018-12-30 22:21:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-12-30 22:21:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2018-12-30 22:21:22,805 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 46 [2018-12-30 22:21:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:22,805 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2018-12-30 22:21:22,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-30 22:21:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2018-12-30 22:21:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-30 22:21:22,813 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:22,813 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:22,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:22,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:22,814 INFO L82 PathProgramCache]: Analyzing trace with hash -402156972, now seen corresponding path program 1 times [2018-12-30 22:21:22,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:22,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:22,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:22,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:22,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:23,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:23,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:21:23,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:23,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:23,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:23,084 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2018-12-30 22:21:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:24,232 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2018-12-30 22:21:24,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:24,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2018-12-30 22:21:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:24,240 INFO L225 Difference]: With dead ends: 1257 [2018-12-30 22:21:24,240 INFO L226 Difference]: Without dead ends: 838 [2018-12-30 22:21:24,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-12-30 22:21:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2018-12-30 22:21:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-30 22:21:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2018-12-30 22:21:24,281 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 164 [2018-12-30 22:21:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:24,282 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2018-12-30 22:21:24,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2018-12-30 22:21:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-30 22:21:24,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:24,314 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:24,315 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:24,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1485137820, now seen corresponding path program 1 times [2018-12-30 22:21:24,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:24,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:24,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:24,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:24,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:21:24,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:24,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:21:24,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:21:24,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:21:24,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:24,674 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2018-12-30 22:21:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:27,059 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2018-12-30 22:21:27,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:21:27,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2018-12-30 22:21:27,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:27,069 INFO L225 Difference]: With dead ends: 1674 [2018-12-30 22:21:27,069 INFO L226 Difference]: Without dead ends: 1116 [2018-12-30 22:21:27,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:21:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-30 22:21:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2018-12-30 22:21:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2018-12-30 22:21:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2018-12-30 22:21:27,101 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 190 [2018-12-30 22:21:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:27,101 INFO L480 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2018-12-30 22:21:27,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:21:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2018-12-30 22:21:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-12-30 22:21:27,110 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:27,110 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:27,111 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:27,111 INFO L82 PathProgramCache]: Analyzing trace with hash -490588956, now seen corresponding path program 1 times [2018-12-30 22:21:27,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:27,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:27,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:27,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:27,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-30 22:21:27,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:21:27,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:21:27,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 22:21:27,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 22:21:27,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 22:21:27,381 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2018-12-30 22:21:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:28,721 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2018-12-30 22:21:28,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 22:21:28,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2018-12-30 22:21:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:28,729 INFO L225 Difference]: With dead ends: 2230 [2018-12-30 22:21:28,729 INFO L226 Difference]: Without dead ends: 977 [2018-12-30 22:21:28,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 22:21:28,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2018-12-30 22:21:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2018-12-30 22:21:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2018-12-30 22:21:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2018-12-30 22:21:28,754 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 282 [2018-12-30 22:21:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:28,755 INFO L480 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2018-12-30 22:21:28,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 22:21:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2018-12-30 22:21:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-30 22:21:28,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:21:28,761 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 22:21:28,761 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:21:28,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:21:28,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1719694206, now seen corresponding path program 1 times [2018-12-30 22:21:28,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:21:28,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:21:28,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:28,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:28,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:21:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 246 proven. 78 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-30 22:21:29,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 22:21:29,275 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-12-30 22:21:29,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:21:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:21:29,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 22:21:29,881 WARN L181 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2018-12-30 22:21:30,798 WARN L181 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2018-12-30 22:21:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 260 proven. 64 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-30 22:21:31,386 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-30 22:21:31,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2018-12-30 22:21:31,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-30 22:21:31,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-30 22:21:31,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-30 22:21:31,389 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 10 states. [2018-12-30 22:21:38,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:21:38,133 INFO L93 Difference]: Finished difference Result 3814 states and 4695 transitions. [2018-12-30 22:21:38,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-30 22:21:38,136 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 318 [2018-12-30 22:21:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:21:38,137 INFO L225 Difference]: With dead ends: 3814 [2018-12-30 22:21:38,138 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 22:21:38,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2018-12-30 22:21:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 22:21:38,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 22:21:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 22:21:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 22:21:38,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2018-12-30 22:21:38,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:21:38,144 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 22:21:38,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-30 22:21:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 22:21:38,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 22:21:38,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 22:21:39,404 WARN L181 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2018-12-30 22:21:39,515 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2018-12-30 22:21:39,519 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-30 22:21:39,519 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-30 22:21:39,520 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,521 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,522 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-30 22:21:39,523 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,524 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-30 22:21:39,525 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-30 22:21:39,530 INFO L444 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= 4 ~a10~0))) (and (= ~a10~0 1) (< 0 (+ ~a1~0 13))) (= ~a10~0 2))) [2018-12-30 22:21:39,530 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,531 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-30 22:21:39,532 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L451 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,536 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-30 22:21:39,537 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-30 22:21:39,540 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-30 22:21:39,541 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-30 22:21:39,542 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 22:21:39,543 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-30 22:21:39,546 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (and .cse0 (not (= ~a19~0 10))) (and .cse0 (not (= 4 ~a10~0))) (and (= ~a10~0 1) (< 0 (+ ~a1~0 13))) (= ~a10~0 2))) [2018-12-30 22:21:39,546 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-30 22:21:39,546 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,546 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,546 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,546 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-30 22:21:39,547 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,548 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,549 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,553 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,553 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-30 22:21:39,554 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,555 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 22:21:39,558 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,559 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-30 22:21:39,560 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 22:21:39,565 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-30 22:21:39,566 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-30 22:21:39,567 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-30 22:21:39,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 10:21:39 BoogieIcfgContainer [2018-12-30 22:21:39,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 22:21:39,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 22:21:39,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 22:21:39,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 22:21:39,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:21:16" (3/4) ... [2018-12-30 22:21:39,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 22:21:39,638 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 22:21:39,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 22:21:39,887 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 22:21:39,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 22:21:39,893 INFO L168 Benchmark]: Toolchain (without parser) took 27692.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 952.7 MB in the beginning and 1.3 GB in the end (delta: -368.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,894 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:21:39,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,895 INFO L168 Benchmark]: Boogie Preprocessor took 128.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:21:39,896 INFO L168 Benchmark]: RCFGBuilder took 3330.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,896 INFO L168 Benchmark]: TraceAbstraction took 23078.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 994.1 MB in the beginning and 1.3 GB in the end (delta: -349.7 MB). Peak memory consumption was 459.2 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,896 INFO L168 Benchmark]: Witness Printer took 293.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-12-30 22:21:39,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 669.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 182.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3330.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23078.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 994.1 MB in the beginning and 1.3 GB in the end (delta: -349.7 MB). Peak memory consumption was 459.2 MB. Max. memory is 11.5 GB. * Witness Printer took 293.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(4 == a10))) || (a10 == 1 && 0 < a1 + 13)) || a10 == 2 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || (!(a19 == 7) && !(4 == a10))) || (a10 == 1 && 0 < a1 + 13)) || a10 == 2 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 22.9s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 16.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 352 SDtfs, 3150 SDslu, 125 SDs, 0 SdLazy, 5525 SolverSat, 1352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 320 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 94 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2110 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 760 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1318 NumberOfCodeBlocks, 1318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1312 ConstructedInterpolants, 81 QuantifiedInterpolants, 2088993 SizeOfPredicates, 6 NumberOfNonLiveVariables, 433 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 1146/1288 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...