./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label40_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_label40_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 9388cf462804d47fad308dddce36b73ef7e2c945 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:22:51,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 22:22:51,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 22:22:51,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 22:22:51,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 22:22:51,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 22:22:51,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 22:22:51,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 22:22:51,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 22:22:51,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 22:22:51,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 22:22:51,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 22:22:51,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 22:22:51,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 22:22:51,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 22:22:51,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 22:22:51,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 22:22:51,858 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 22:22:51,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 22:22:51,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 22:22:51,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 22:22:51,864 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 22:22:51,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 22:22:51,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 22:22:51,867 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 22:22:51,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 22:22:51,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 22:22:51,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 22:22:51,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 22:22:51,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 22:22:51,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 22:22:51,873 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 22:22:51,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 22:22:51,873 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 22:22:51,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 22:22:51,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 22:22:51,877 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 22:22:51,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 22:22:51,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 22:22:51,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 22:22:51,910 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 22:22:51,911 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 22:22:51,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 22:22:51,911 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 22:22:51,911 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 22:22:51,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 22:22:51,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 22:22:51,912 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 22:22:51,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 22:22:51,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 22:22:51,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 22:22:51,914 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 22:22:51,914 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 22:22:51,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 22:22:51,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 22:22:51,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 22:22:51,916 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 22:22:51,916 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 22:22:51,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 22:22:51,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 22:22:51,917 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 -> 9388cf462804d47fad308dddce36b73ef7e2c945 [2018-12-30 22:22:51,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 22:22:51,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 22:22:51,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 22:22:51,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 22:22:51,980 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 22:22:51,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-12-30 22:22:52,041 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d29800d7/ec316cab823b48388cb77d1ad47c2e16/FLAG60e63fdce [2018-12-30 22:22:52,661 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 22:22:52,665 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label40_true-unreach-call.c [2018-12-30 22:22:52,695 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d29800d7/ec316cab823b48388cb77d1ad47c2e16/FLAG60e63fdce [2018-12-30 22:22:52,873 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d29800d7/ec316cab823b48388cb77d1ad47c2e16 [2018-12-30 22:22:52,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 22:22:52,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 22:22:52,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 22:22:52,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 22:22:52,892 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 22:22:52,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:22:52" (1/1) ... [2018-12-30 22:22:52,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed9335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:52, skipping insertion in model container [2018-12-30 22:22:52,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 10:22:52" (1/1) ... [2018-12-30 22:22:52,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 22:22:52,990 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 22:22:53,534 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:22:53,541 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 22:22:53,733 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 22:22:53,756 INFO L195 MainTranslator]: Completed translation [2018-12-30 22:22:53,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53 WrapperNode [2018-12-30 22:22:53,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 22:22:53,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 22:22:53,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 22:22:53,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 22:22:53,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:53,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 22:22:54,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 22:22:54,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 22:22:54,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 22:22:54,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (1/1) ... [2018-12-30 22:22:54,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 22:22:54,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 22:22:54,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 22:22:54,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 22:22:54,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (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 22:22:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 22:22:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 22:22:57,934 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 22:22:57,935 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 22:22:57,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:22:57 BoogieIcfgContainer [2018-12-30 22:22:57,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 22:22:57,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 22:22:57,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 22:22:57,942 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 22:22:57,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 10:22:52" (1/3) ... [2018-12-30 22:22:57,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75138527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:22:57, skipping insertion in model container [2018-12-30 22:22:57,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 10:22:53" (2/3) ... [2018-12-30 22:22:57,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75138527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 10:22:57, skipping insertion in model container [2018-12-30 22:22:57,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:22:57" (3/3) ... [2018-12-30 22:22:57,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label40_true-unreach-call.c [2018-12-30 22:22:57,959 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 22:22:57,969 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 22:22:57,989 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 22:22:58,030 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 22:22:58,031 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 22:22:58,031 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 22:22:58,032 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 22:22:58,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 22:22:58,032 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 22:22:58,032 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 22:22:58,032 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 22:22:58,032 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 22:22:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2018-12-30 22:22:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-30 22:22:58,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:22:58,068 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, 1, 1, 1] [2018-12-30 22:22:58,071 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:22:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:22:58,079 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2018-12-30 22:22:58,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:22:58,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:22:58,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:22:58,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:22:58,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:22:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:22:58,596 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-12-30 22:22:58,617 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 22:22:58,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:22:58,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:22:58,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:22:58,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:22:58,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:22:58,652 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2018-12-30 22:23:01,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:01,978 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2018-12-30 22:23:01,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:23:01,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-12-30 22:23:01,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:02,001 INFO L225 Difference]: With dead ends: 694 [2018-12-30 22:23:02,001 INFO L226 Difference]: Without dead ends: 421 [2018-12-30 22:23:02,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:02,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-30 22:23:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2018-12-30 22:23:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-12-30 22:23:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2018-12-30 22:23:02,092 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 49 [2018-12-30 22:23:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:02,093 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2018-12-30 22:23:02,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:23:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2018-12-30 22:23:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-30 22:23:02,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:23:02,098 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, 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] [2018-12-30 22:23:02,100 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:23:02,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:23:02,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1642013361, now seen corresponding path program 1 times [2018-12-30 22:23:02,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:23:02,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:23:02,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:02,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:02,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:23:02,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:23:02,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:23:02,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:23:02,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:23:02,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:02,631 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2018-12-30 22:23:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:04,311 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2018-12-30 22:23:04,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:23:04,312 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2018-12-30 22:23:04,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:04,325 INFO L225 Difference]: With dead ends: 840 [2018-12-30 22:23:04,326 INFO L226 Difference]: Without dead ends: 560 [2018-12-30 22:23:04,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:04,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-12-30 22:23:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2018-12-30 22:23:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-12-30 22:23:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2018-12-30 22:23:04,358 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 118 [2018-12-30 22:23:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:04,359 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2018-12-30 22:23:04,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:23:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2018-12-30 22:23:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-30 22:23:04,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:23:04,362 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, 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] [2018-12-30 22:23:04,362 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:23:04,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:23:04,363 INFO L82 PathProgramCache]: Analyzing trace with hash -454532448, now seen corresponding path program 1 times [2018-12-30 22:23:04,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:23:04,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:23:04,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:04,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:04,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:23:04,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:23:04,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 22:23:04,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:23:04,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:23:04,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:04,598 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2018-12-30 22:23:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:06,838 INFO L93 Difference]: Finished difference Result 1535 states and 2162 transitions. [2018-12-30 22:23:06,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:23:06,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-12-30 22:23:06,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:06,846 INFO L225 Difference]: With dead ends: 1535 [2018-12-30 22:23:06,847 INFO L226 Difference]: Without dead ends: 1116 [2018-12-30 22:23:06,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-30 22:23:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 838. [2018-12-30 22:23:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2018-12-30 22:23:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1108 transitions. [2018-12-30 22:23:06,885 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1108 transitions. Word has length 124 [2018-12-30 22:23:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:06,886 INFO L480 AbstractCegarLoop]: Abstraction has 838 states and 1108 transitions. [2018-12-30 22:23:06,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:23:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1108 transitions. [2018-12-30 22:23:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-30 22:23:06,891 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:23:06,892 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, 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] [2018-12-30 22:23:06,892 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:23:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:23:06,893 INFO L82 PathProgramCache]: Analyzing trace with hash -651174667, now seen corresponding path program 1 times [2018-12-30 22:23:06,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:23:06,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:23:06,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:06,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:06,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:23:07,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:23:07,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 22:23:07,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 22:23:07,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 22:23:07,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 22:23:07,149 INFO L87 Difference]: Start difference. First operand 838 states and 1108 transitions. Second operand 4 states. [2018-12-30 22:23:09,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:09,909 INFO L93 Difference]: Finished difference Result 1813 states and 2398 transitions. [2018-12-30 22:23:09,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 22:23:09,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2018-12-30 22:23:09,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:09,917 INFO L225 Difference]: With dead ends: 1813 [2018-12-30 22:23:09,917 INFO L226 Difference]: Without dead ends: 977 [2018-12-30 22:23:09,919 INFO L631 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 [2018-12-30 22:23:09,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2018-12-30 22:23:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2018-12-30 22:23:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2018-12-30 22:23:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1152 transitions. [2018-12-30 22:23:09,942 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1152 transitions. Word has length 157 [2018-12-30 22:23:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:09,943 INFO L480 AbstractCegarLoop]: Abstraction has 977 states and 1152 transitions. [2018-12-30 22:23:09,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 22:23:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1152 transitions. [2018-12-30 22:23:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-30 22:23:09,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:23:09,946 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, 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] [2018-12-30 22:23:09,946 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:23:09,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:23:09,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1874163935, now seen corresponding path program 1 times [2018-12-30 22:23:09,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:23:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:23:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:09,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:09,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:10,285 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-30 22:23:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:23:10,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 22:23:10,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-30 22:23:10,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 22:23:10,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 22:23:10,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-30 22:23:10,663 INFO L87 Difference]: Start difference. First operand 977 states and 1152 transitions. Second operand 8 states. [2018-12-30 22:23:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:13,097 INFO L93 Difference]: Finished difference Result 2105 states and 2465 transitions. [2018-12-30 22:23:13,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-30 22:23:13,098 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2018-12-30 22:23:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:13,105 INFO L225 Difference]: With dead ends: 2105 [2018-12-30 22:23:13,106 INFO L226 Difference]: Without dead ends: 1130 [2018-12-30 22:23:13,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-12-30 22:23:13,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-12-30 22:23:13,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1116. [2018-12-30 22:23:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2018-12-30 22:23:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1296 transitions. [2018-12-30 22:23:13,133 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1296 transitions. Word has length 162 [2018-12-30 22:23:13,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:13,134 INFO L480 AbstractCegarLoop]: Abstraction has 1116 states and 1296 transitions. [2018-12-30 22:23:13,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 22:23:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1296 transitions. [2018-12-30 22:23:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-30 22:23:13,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 22:23:13,139 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, 3, 3, 3, 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] [2018-12-30 22:23:13,140 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 22:23:13,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 22:23:13,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1630638232, now seen corresponding path program 1 times [2018-12-30 22:23:13,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 22:23:13,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 22:23:13,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:13,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:13,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 22:23:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 47 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 22:23:13,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 22:23:13,543 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 22:23:13,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 22:23:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 22:23:13,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 22:23:14,060 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2018-12-30 22:23:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-30 22:23:14,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 22:23:14,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-12-30 22:23:14,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 22:23:14,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 22:23:14,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-30 22:23:14,286 INFO L87 Difference]: Start difference. First operand 1116 states and 1296 transitions. Second operand 5 states. [2018-12-30 22:23:19,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 22:23:19,904 INFO L93 Difference]: Finished difference Result 3479 states and 4126 transitions. [2018-12-30 22:23:19,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 22:23:19,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2018-12-30 22:23:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 22:23:19,906 INFO L225 Difference]: With dead ends: 3479 [2018-12-30 22:23:19,906 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 22:23:19,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 222 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-30 22:23:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 22:23:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 22:23:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 22:23:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 22:23:19,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-12-30 22:23:19,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 22:23:19,912 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 22:23:19,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 22:23:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 22:23:19,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 22:23:19,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 22:23:19,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 22:23:19,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 22:23:20,517 WARN L181 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2018-12-30 22:23:20,936 WARN L181 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2018-12-30 22:23:20,941 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-30 22:23:20,941 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,941 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-30 22:23:20,942 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-30 22:23:20,943 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-30 22:23:20,947 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-30 22:23:20,948 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-30 22:23:20,949 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,950 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,951 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,953 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-30 22:23:20,953 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-30 22:23:20,953 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-30 22:23:20,954 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-30 22:23:20,954 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-30 22:23:20,954 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-30 22:23:20,955 INFO L444 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (or (and .cse0 (<= 39 ~a1~0)) (and (not (= ~a19~0 10)) (not .cse0)) (and .cse0 (not (= ~a19~0 8))) (= ~a10~0 1))) [2018-12-30 22:23:20,955 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-30 22:23:20,955 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-30 22:23:20,955 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-30 22:23:20,955 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-30 22:23:20,957 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,957 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-30 22:23:20,958 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-30 22:23:20,959 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-30 22:23:20,960 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L451 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-30 22:23:20,961 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-30 22:23:20,963 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,963 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,963 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-30 22:23:20,964 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-30 22:23:20,965 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-30 22:23:20,967 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-30 22:23:20,967 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,967 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,967 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,967 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,968 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-30 22:23:20,969 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-30 22:23:20,970 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-30 22:23:20,971 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (or (and .cse0 (<= 39 ~a1~0)) (and (not (= ~a19~0 10)) (not .cse0)) (and .cse0 (not (= ~a19~0 8))) (= ~a10~0 1))) [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,972 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,974 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-30 22:23:20,974 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-30 22:23:20,975 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,978 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 22:23:20,979 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-30 22:23:20,980 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,984 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-30 22:23:20,985 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,986 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-30 22:23:20,987 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,988 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,989 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-30 22:23:20,992 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-30 22:23:20,993 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-30 22:23:21,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 10:23:21 BoogieIcfgContainer [2018-12-30 22:23:21,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 22:23:21,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 22:23:21,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 22:23:21,026 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 22:23:21,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 10:22:57" (3/4) ... [2018-12-30 22:23:21,031 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 22:23:21,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 22:23:21,057 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 22:23:21,257 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 22:23:21,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 22:23:21,264 INFO L168 Benchmark]: Toolchain (without parser) took 28383.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 944.7 MB in the beginning and 806.9 MB in the end (delta: 137.7 MB). Peak memory consumption was 362.1 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,265 INFO L168 Benchmark]: CDTParser took 0.17 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 22:23:21,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.34 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 912.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 243.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 912.4 MB in the beginning and 1.0 GB in the end (delta: -133.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,266 INFO L168 Benchmark]: Boogie Preprocessor took 122.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 22:23:21,266 INFO L168 Benchmark]: RCFGBuilder took 3810.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.9 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,269 INFO L168 Benchmark]: TraceAbstraction took 23085.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 930.5 MB in the beginning and 826.0 MB in the end (delta: 104.5 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,269 INFO L168 Benchmark]: Witness Printer took 233.47 ms. Allocated memory is still 1.3 GB. Free memory was 826.0 MB in the beginning and 806.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-30 22:23:21,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 874.34 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 912.4 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 243.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 912.4 MB in the beginning and 1.0 GB in the end (delta: -133.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3810.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.9 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23085.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 930.5 MB in the beginning and 826.0 MB in the end (delta: 104.5 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. * Witness Printer took 233.47 ms. Allocated memory is still 1.3 GB. Free memory was 826.0 MB in the beginning and 806.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: (((a10 == 0 && 39 <= a1) || (!(a19 == 10) && !(a10 == 0))) || (a10 == 0 && !(a19 == 8))) || a10 == 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a10 == 0 && 39 <= a1) || (!(a19 == 10) && !(a10 == 0))) || (a10 == 0 && !(a19 == 8))) || a10 == 1 - 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, 6 OverallIterations, 3 TraceHistogramMax, 18.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 495 SDtfs, 1616 SDslu, 102 SDs, 0 SdLazy, 5422 SolverSat, 678 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 252 GetRequests, 228 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=5, 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, 6 MinimizatonAttempts, 570 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 869 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 990 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1049 ConstructedInterpolants, 47 QuantifiedInterpolants, 871812 SizeOfPredicates, 1 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 389/500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...