./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label37.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/eca-rers2012/Problem02_label37.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 a2597194a43836f4c4ad9c950ead0db96723770b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:44:46,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:46,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:46,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:46,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:46,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:46,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:46,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:46,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:46,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:46,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:46,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:46,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:46,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:46,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:46,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:46,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:46,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:46,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:46,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:46,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:46,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:46,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:46,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:46,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:46,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:46,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:46,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:46,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:46,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:46,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:46,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:46,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:46,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:46,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:46,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:46,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:46,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:46,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:46,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:46,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:46,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:46,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:46,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:46,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:46,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:46,982 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:46,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:46,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:46,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:46,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:46,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:46,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:46,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:46,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:46,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:46,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:46,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:46,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:46,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:46,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:46,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:46,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:46,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:46,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:46,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:46,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:46,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:46,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:46,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:46,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:46,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> a2597194a43836f4c4ad9c950ead0db96723770b [2019-11-28 15:44:47,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:47,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:47,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:47,362 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:47,363 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:47,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2019-11-28 15:44:47,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25736fca2/e3565ab95e2642fabc3ad42005d2326a/FLAG7c16b38cc [2019-11-28 15:44:47,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:47,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2019-11-28 15:44:47,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25736fca2/e3565ab95e2642fabc3ad42005d2326a/FLAG7c16b38cc [2019-11-28 15:44:48,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25736fca2/e3565ab95e2642fabc3ad42005d2326a [2019-11-28 15:44:48,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:48,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:48,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:48,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:48,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:48,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:48" (1/1) ... [2019-11-28 15:44:48,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:48, skipping insertion in model container [2019-11-28 15:44:48,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:48" (1/1) ... [2019-11-28 15:44:48,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:48,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:48,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:48,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:49,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:49,104 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:49,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49 WrapperNode [2019-11-28 15:44:49,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:49,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:49,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:49,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:49,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:49,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:49,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:49,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:49,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (1/1) ... [2019-11-28 15:44:49,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:49,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:49,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:49,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:49,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (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 [2019-11-28 15:44:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:50,646 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:50,647 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:50,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:50 BoogieIcfgContainer [2019-11-28 15:44:50,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:50,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:50,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:50,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:50,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:48" (1/3) ... [2019-11-28 15:44:50,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f97192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:50, skipping insertion in model container [2019-11-28 15:44:50,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:49" (2/3) ... [2019-11-28 15:44:50,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f97192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:50, skipping insertion in model container [2019-11-28 15:44:50,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:50" (3/3) ... [2019-11-28 15:44:50,659 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label37.c [2019-11-28 15:44:50,671 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:50,680 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:50,696 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:50,730 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:50,731 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:50,731 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:50,731 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:50,731 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:50,732 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:50,732 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:50,732 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-28 15:44:50,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:50,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:50,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:50,778 INFO L82 PathProgramCache]: Analyzing trace with hash -22624091, now seen corresponding path program 1 times [2019-11-28 15:44:50,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:50,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769430854] [2019-11-28 15:44:50,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:51,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769430854] [2019-11-28 15:44:51,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:51,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:51,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859998795] [2019-11-28 15:44:51,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:51,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:51,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:51,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:51,381 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:52,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:52,884 INFO L93 Difference]: Finished difference Result 747 states and 1324 transitions. [2019-11-28 15:44:52,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:52,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-11-28 15:44:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:52,906 INFO L225 Difference]: With dead ends: 747 [2019-11-28 15:44:52,906 INFO L226 Difference]: Without dead ends: 453 [2019-11-28 15:44:52,912 INFO L630 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 [2019-11-28 15:44:52,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-11-28 15:44:53,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2019-11-28 15:44:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-11-28 15:44:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 614 transitions. [2019-11-28 15:44:53,020 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 614 transitions. Word has length 120 [2019-11-28 15:44:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:53,021 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 614 transitions. [2019-11-28 15:44:53,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 614 transitions. [2019-11-28 15:44:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-28 15:44:53,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:53,035 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:53,035 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1984016934, now seen corresponding path program 1 times [2019-11-28 15:44:53,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:53,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055296160] [2019-11-28 15:44:53,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:53,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055296160] [2019-11-28 15:44:53,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:53,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 15:44:53,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994597340] [2019-11-28 15:44:53,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 15:44:53,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:53,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 15:44:53,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:44:53,539 INFO L87 Difference]: Start difference. First operand 449 states and 614 transitions. Second operand 10 states. [2019-11-28 15:44:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:55,086 INFO L93 Difference]: Finished difference Result 1680 states and 2320 transitions. [2019-11-28 15:44:55,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 15:44:55,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2019-11-28 15:44:55,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:55,096 INFO L225 Difference]: With dead ends: 1680 [2019-11-28 15:44:55,097 INFO L226 Difference]: Without dead ends: 1233 [2019-11-28 15:44:55,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:44:55,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2019-11-28 15:44:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1227. [2019-11-28 15:44:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-11-28 15:44:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1511 transitions. [2019-11-28 15:44:55,157 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1511 transitions. Word has length 129 [2019-11-28 15:44:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:55,158 INFO L462 AbstractCegarLoop]: Abstraction has 1227 states and 1511 transitions. [2019-11-28 15:44:55,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 15:44:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1511 transitions. [2019-11-28 15:44:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-28 15:44:55,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:55,164 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:55,164 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:55,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:55,165 INFO L82 PathProgramCache]: Analyzing trace with hash -188386209, now seen corresponding path program 1 times [2019-11-28 15:44:55,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:55,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399499581] [2019-11-28 15:44:55,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:44:55,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399499581] [2019-11-28 15:44:55,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:55,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:55,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593870848] [2019-11-28 15:44:55,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:55,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:55,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:55,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:55,301 INFO L87 Difference]: Start difference. First operand 1227 states and 1511 transitions. Second operand 4 states. [2019-11-28 15:44:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:56,245 INFO L93 Difference]: Finished difference Result 3726 states and 4633 transitions. [2019-11-28 15:44:56,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:56,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-28 15:44:56,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:56,256 INFO L225 Difference]: With dead ends: 3726 [2019-11-28 15:44:56,257 INFO L226 Difference]: Without dead ends: 1939 [2019-11-28 15:44:56,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2019-11-28 15:44:56,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1648. [2019-11-28 15:44:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-11-28 15:44:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1958 transitions. [2019-11-28 15:44:56,317 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1958 transitions. Word has length 158 [2019-11-28 15:44:56,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:56,318 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 1958 transitions. [2019-11-28 15:44:56,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1958 transitions. [2019-11-28 15:44:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-28 15:44:56,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:56,334 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:56,335 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:56,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1084158728, now seen corresponding path program 1 times [2019-11-28 15:44:56,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:56,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717574639] [2019-11-28 15:44:56,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-28 15:44:56,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717574639] [2019-11-28 15:44:56,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:56,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:56,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998129009] [2019-11-28 15:44:56,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:56,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:56,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:56,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:56,484 INFO L87 Difference]: Start difference. First operand 1648 states and 1958 transitions. Second operand 4 states. [2019-11-28 15:44:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:57,435 INFO L93 Difference]: Finished difference Result 4141 states and 4956 transitions. [2019-11-28 15:44:57,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:57,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 184 [2019-11-28 15:44:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:57,446 INFO L225 Difference]: With dead ends: 4141 [2019-11-28 15:44:57,447 INFO L226 Difference]: Without dead ends: 2355 [2019-11-28 15:44:57,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2019-11-28 15:44:57,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2069. [2019-11-28 15:44:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2019-11-28 15:44:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2330 transitions. [2019-11-28 15:44:57,497 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2330 transitions. Word has length 184 [2019-11-28 15:44:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:57,498 INFO L462 AbstractCegarLoop]: Abstraction has 2069 states and 2330 transitions. [2019-11-28 15:44:57,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2330 transitions. [2019-11-28 15:44:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-28 15:44:57,504 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:57,505 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:57,505 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:57,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:57,506 INFO L82 PathProgramCache]: Analyzing trace with hash -523044025, now seen corresponding path program 1 times [2019-11-28 15:44:57,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:57,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781699794] [2019-11-28 15:44:57,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-28 15:44:57,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781699794] [2019-11-28 15:44:57,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:57,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:57,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361490650] [2019-11-28 15:44:57,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:57,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:57,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:57,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:57,689 INFO L87 Difference]: Start difference. First operand 2069 states and 2330 transitions. Second operand 3 states. [2019-11-28 15:44:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:58,172 INFO L93 Difference]: Finished difference Result 4130 states and 4620 transitions. [2019-11-28 15:44:58,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:58,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-11-28 15:44:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:58,182 INFO L225 Difference]: With dead ends: 4130 [2019-11-28 15:44:58,182 INFO L226 Difference]: Without dead ends: 2063 [2019-11-28 15:44:58,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2019-11-28 15:44:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 1783. [2019-11-28 15:44:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2019-11-28 15:44:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 1968 transitions. [2019-11-28 15:44:58,228 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 1968 transitions. Word has length 232 [2019-11-28 15:44:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:58,229 INFO L462 AbstractCegarLoop]: Abstraction has 1783 states and 1968 transitions. [2019-11-28 15:44:58,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 1968 transitions. [2019-11-28 15:44:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-28 15:44:58,237 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:58,237 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:58,238 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1791661744, now seen corresponding path program 1 times [2019-11-28 15:44:58,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:58,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062475377] [2019-11-28 15:44:58,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-28 15:44:58,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062475377] [2019-11-28 15:44:58,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:58,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:58,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333691803] [2019-11-28 15:44:58,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:58,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:58,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:58,359 INFO L87 Difference]: Start difference. First operand 1783 states and 1968 transitions. Second operand 3 states. [2019-11-28 15:44:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:58,775 INFO L93 Difference]: Finished difference Result 3703 states and 4082 transitions. [2019-11-28 15:44:58,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:58,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-11-28 15:44:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:58,784 INFO L225 Difference]: With dead ends: 3703 [2019-11-28 15:44:58,785 INFO L226 Difference]: Without dead ends: 1781 [2019-11-28 15:44:58,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2019-11-28 15:44:58,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1361. [2019-11-28 15:44:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2019-11-28 15:44:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1466 transitions. [2019-11-28 15:44:58,816 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1466 transitions. Word has length 254 [2019-11-28 15:44:58,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:58,817 INFO L462 AbstractCegarLoop]: Abstraction has 1361 states and 1466 transitions. [2019-11-28 15:44:58,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1466 transitions. [2019-11-28 15:44:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-11-28 15:44:58,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:58,823 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:58,824 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:58,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2064272332, now seen corresponding path program 1 times [2019-11-28 15:44:58,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:58,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320415069] [2019-11-28 15:44:58,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-28 15:44:58,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320415069] [2019-11-28 15:44:58,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:58,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:58,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888484780] [2019-11-28 15:44:58,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:58,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:58,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:58,962 INFO L87 Difference]: Start difference. First operand 1361 states and 1466 transitions. Second operand 3 states. [2019-11-28 15:44:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:59,387 INFO L93 Difference]: Finished difference Result 3141 states and 3370 transitions. [2019-11-28 15:44:59,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:59,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2019-11-28 15:44:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:59,395 INFO L225 Difference]: With dead ends: 3141 [2019-11-28 15:44:59,395 INFO L226 Difference]: Without dead ends: 1499 [2019-11-28 15:44:59,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:59,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2019-11-28 15:44:59,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1357. [2019-11-28 15:44:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2019-11-28 15:44:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1421 transitions. [2019-11-28 15:44:59,423 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1421 transitions. Word has length 264 [2019-11-28 15:44:59,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:59,423 INFO L462 AbstractCegarLoop]: Abstraction has 1357 states and 1421 transitions. [2019-11-28 15:44:59,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1421 transitions. [2019-11-28 15:44:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-28 15:44:59,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:59,430 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:59,430 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:59,430 INFO L82 PathProgramCache]: Analyzing trace with hash -163009168, now seen corresponding path program 1 times [2019-11-28 15:44:59,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:59,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314580670] [2019-11-28 15:44:59,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 231 proven. 61 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-28 15:44:59,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314580670] [2019-11-28 15:44:59,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953581368] [2019-11-28 15:44:59,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:59,980 INFO L264 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:44:59,994 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:45:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-28 15:45:00,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:45:00,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-28 15:45:00,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815306555] [2019-11-28 15:45:00,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:00,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:00,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:00,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:45:00,092 INFO L87 Difference]: Start difference. First operand 1357 states and 1421 transitions. Second operand 3 states. [2019-11-28 15:45:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:00,511 INFO L93 Difference]: Finished difference Result 2852 states and 2996 transitions. [2019-11-28 15:45:00,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:00,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-11-28 15:45:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:00,518 INFO L225 Difference]: With dead ends: 2852 [2019-11-28 15:45:00,518 INFO L226 Difference]: Without dead ends: 1213 [2019-11-28 15:45:00,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:45:00,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2019-11-28 15:45:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2019-11-28 15:45:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2019-11-28 15:45:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1262 transitions. [2019-11-28 15:45:00,553 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1262 transitions. Word has length 269 [2019-11-28 15:45:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:00,554 INFO L462 AbstractCegarLoop]: Abstraction has 1213 states and 1262 transitions. [2019-11-28 15:45:00,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1262 transitions. [2019-11-28 15:45:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-28 15:45:00,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:00,560 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:00,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:00,765 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:00,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:00,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1205889167, now seen corresponding path program 1 times [2019-11-28 15:45:00,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:00,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224437462] [2019-11-28 15:45:00,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 230 proven. 68 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-28 15:45:01,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224437462] [2019-11-28 15:45:01,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838040465] [2019-11-28 15:45:01,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:01,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:45:01,449 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:45:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-28 15:45:01,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:45:01,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2019-11-28 15:45:01,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647373313] [2019-11-28 15:45:01,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:01,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:01,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 15:45:01,554 INFO L87 Difference]: Start difference. First operand 1213 states and 1262 transitions. Second operand 3 states. [2019-11-28 15:45:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:01,757 INFO L93 Difference]: Finished difference Result 2140 states and 2225 transitions. [2019-11-28 15:45:01,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:01,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-11-28 15:45:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:01,758 INFO L225 Difference]: With dead ends: 2140 [2019-11-28 15:45:01,758 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:45:01,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 15:45:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:45:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:45:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:45:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:45:01,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2019-11-28 15:45:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:01,763 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:45:01,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:45:01,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:45:01,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:45:02,521 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-11-28 15:45:02,807 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-11-28 15:45:02,811 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,811 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,811 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,812 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,813 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,814 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,815 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:45:02,816 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,817 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:45:02,818 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:02,819 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:45:02,820 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:45:02,821 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,822 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,823 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,824 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,825 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:45:02,826 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,827 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 532) no Hoare annotation was computed. [2019-11-28 15:45:02,828 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:45:02,828 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,828 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,828 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:45:02,828 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:02,829 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:02,830 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:45:02,830 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1)) (.cse8 (= ~a11~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse2 (<= ~a17~0 8)) (.cse1 (not .cse8)) (.cse6 (= ~a25~0 1)) (.cse0 (not .cse5)) (.cse7 (= ~a21~0 1)) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse2 (or (and .cse1 .cse7 (= 1 ULTIMATE.start_calculate_output_~input)) (and (or (= 4 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1 .cse7))) (and .cse5 (= ~a28~0 7) .cse6 .cse2) (and .cse1 .cse6 .cse2 .cse3) (and .cse4 .cse6 .cse2) (and (<= ~a17~0 7) .cse5 .cse1 .cse6) (and .cse0 .cse8 .cse7 .cse3) (and (not (= ~a28~0 8)) (= ~a17~0 8) .cse7 .cse3)))) [2019-11-28 15:45:02,830 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:45:02,831 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:02,832 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:02,832 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:45:02,832 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,832 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,832 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:45:02,832 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:02,833 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:45:02,834 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:45:02,835 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:45:02,835 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:45:02,835 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1)) (.cse8 (= ~a11~0 1))) (let ((.cse4 (= ~a28~0 10)) (.cse2 (<= ~a17~0 8)) (.cse1 (not .cse8)) (.cse6 (= ~a25~0 1)) (.cse0 (not .cse5)) (.cse7 (= ~a21~0 1)) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse5 .cse6 .cse2 (or (and .cse1 .cse7 (= 1 ULTIMATE.start_calculate_output_~input)) (and (or (= 4 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1 .cse7))) (and .cse5 (= ~a28~0 7) .cse6 .cse2) (and .cse1 .cse6 .cse2 .cse3) (and .cse4 .cse6 .cse2) (and (<= ~a17~0 7) .cse5 .cse1 .cse6) (and .cse0 .cse8 .cse7 .cse3) (and (not (= ~a28~0 8)) (= ~a17~0 8) .cse7 .cse3)))) [2019-11-28 15:45:02,835 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,835 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,836 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:45:02,837 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:45:02,838 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,839 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:45:02,840 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:45:02,841 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,842 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:45:02,843 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:45:02,844 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,845 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:45:02,846 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:02,847 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:45:02,847 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:02,847 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:45:02,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:45:02 BoogieIcfgContainer [2019-11-28 15:45:02,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:45:02,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:45:02,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:45:02,888 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:45:02,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:50" (3/4) ... [2019-11-28 15:45:02,892 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:45:02,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:45:02,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:45:03,252 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:45:03,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:45:03,255 INFO L168 Benchmark]: Toolchain (without parser) took 14961.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 291.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,256 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:03,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.85 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. [2019-11-28 15:45:03,257 INFO L168 Benchmark]: Boogie Preprocessor took 99.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,258 INFO L168 Benchmark]: RCFGBuilder took 1341.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,259 INFO L168 Benchmark]: TraceAbstraction took 12237.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 287.8 MB). Free memory was 982.8 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,259 INFO L168 Benchmark]: Witness Printer took 365.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:03,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 810.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.85 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. * Boogie Preprocessor took 99.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1341.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12237.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 287.8 MB). Free memory was 982.8 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. * Witness Printer took 365.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 532]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(a19 == 1) && !(a11 == 1)) && a17 <= 8) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a25 == 1) && a17 <= 8) && (((!(a11 == 1) && a21 == 1) && 1 == input) || ((((4 == input || 6 == input) || 5 == input) && !(a11 == 1)) && a21 == 1)))) || (((a19 == 1 && a28 == 7) && a25 == 1) && a17 <= 8)) || (((!(a11 == 1) && a25 == 1) && a17 <= 8) && !(a28 == 11))) || ((a28 == 10 && a25 == 1) && a17 <= 8)) || (((a17 <= 7 && a19 == 1) && !(a11 == 1)) && a25 == 1)) || (((!(a19 == 1) && a11 == 1) && a21 == 1) && !(a28 == 11))) || (((!(a28 == 8) && a17 == 8) && a21 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((!(a19 == 1) && !(a11 == 1)) && a17 <= 8) && !(a28 == 11)) || (a28 == 10 && a19 == 1)) || (((a19 == 1 && a25 == 1) && a17 <= 8) && (((!(a11 == 1) && a21 == 1) && 1 == input) || ((((4 == input || 6 == input) || 5 == input) && !(a11 == 1)) && a21 == 1)))) || (((a19 == 1 && a28 == 7) && a25 == 1) && a17 <= 8)) || (((!(a11 == 1) && a25 == 1) && a17 <= 8) && !(a28 == 11))) || ((a28 == 10 && a25 == 1) && a17 <= 8)) || (((a17 <= 7 && a19 == 1) && !(a11 == 1)) && a25 == 1)) || (((!(a19 == 1) && a11 == 1) && a21 == 1) && !(a28 == 11))) || (((!(a28 == 8) && a17 == 8) && a21 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 917 SDtfs, 2122 SDslu, 227 SDs, 0 SdLazy, 4598 SolverSat, 920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2069occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1429 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 293 HoareAnnotationTreeSize, 3 FomulaSimplifications, 698 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 650 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2427 NumberOfCodeBlocks, 2427 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2416 ConstructedInterpolants, 0 QuantifiedInterpolants, 1801463 SizeOfPredicates, 0 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 2067/2196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...