./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_label40.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 cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:40:21,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:40:21,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:40:21,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:40:21,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:40:21,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:40:21,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:40:21,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:40:21,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:40:21,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:40:21,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:40:21,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:40:21,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:40:21,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:40:21,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:40:21,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:40:21,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:40:21,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:40:21,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:40:21,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:40:21,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:40:21,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:40:21,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:40:21,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:40:21,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:40:21,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:40:21,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:40:21,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:40:21,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:40:21,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:40:21,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:40:21,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:40:21,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:40:21,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:40:21,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:40:21,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:40:21,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:40:21,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:40:21,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:40:21,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:40:21,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:40:21,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:40:21,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:40:21,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:40:21,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:40:21,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:40:21,131 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:40:21,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:40:21,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:40:21,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:40:21,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:40:21,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:40:21,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:40:21,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:40:21,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:40:21,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:40:21,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:40:21,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:40:21,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:40:21,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:40:21,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:40:21,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:40:21,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:40:21,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:40:21,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:40:21,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:40:21,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:40:21,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:40:21,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:40:21,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:40:21,136 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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2019-11-27 22:40:21,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:40:21,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:40:21,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:40:21,435 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:40:21,435 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:40:21,436 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-27 22:40:21,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b81b653/b368db9f12e645799eaccba7b9307626/FLAG13464e941 [2019-11-27 22:40:22,025 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:40:22,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-27 22:40:22,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b81b653/b368db9f12e645799eaccba7b9307626/FLAG13464e941 [2019-11-27 22:40:22,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b81b653/b368db9f12e645799eaccba7b9307626 [2019-11-27 22:40:22,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:40:22,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:40:22,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:22,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:40:22,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:40:22,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:22" (1/1) ... [2019-11-27 22:40:22,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:22, skipping insertion in model container [2019-11-27 22:40:22,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:22" (1/1) ... [2019-11-27 22:40:22,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:40:22,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:40:22,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:22,930 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:40:23,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:23,045 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:40:23,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23 WrapperNode [2019-11-27 22:40:23,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:23,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:23,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:40:23,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:40:23,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:23,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:40:23,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:40:23,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:40:23,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (1/1) ... [2019-11-27 22:40:23,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:40:23,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:40:23,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:40:23,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:40:23,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (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 [2019-11-27 22:40:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:40:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:40:24,459 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:40:24,459 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:40:24,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:24 BoogieIcfgContainer [2019-11-27 22:40:24,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:40:24,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:40:24,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:40:24,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:40:24,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:40:22" (1/3) ... [2019-11-27 22:40:24,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d029e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:24, skipping insertion in model container [2019-11-27 22:40:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:23" (2/3) ... [2019-11-27 22:40:24,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d029e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:24, skipping insertion in model container [2019-11-27 22:40:24,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:24" (3/3) ... [2019-11-27 22:40:24,470 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-27 22:40:24,480 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:40:24,488 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:40:24,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:40:24,527 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:40:24,529 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:40:24,529 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:40:24,529 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:40:24,529 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:40:24,530 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:40:24,530 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:40:24,530 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:40:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-27 22:40:24,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-27 22:40:24,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:24,569 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] [2019-11-27 22:40:24,570 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:24,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:24,576 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-11-27 22:40:24,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:24,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610031622] [2019-11-27 22:40:24,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:25,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610031622] [2019-11-27 22:40:25,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:25,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:25,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014551047] [2019-11-27 22:40:25,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:25,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:25,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:25,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:25,062 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-27 22:40:26,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:26,432 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-27 22:40:26,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:26,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-27 22:40:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:26,452 INFO L225 Difference]: With dead ends: 775 [2019-11-27 22:40:26,452 INFO L226 Difference]: Without dead ends: 460 [2019-11-27 22:40:26,457 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 [2019-11-27 22:40:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-27 22:40:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-27 22:40:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-27 22:40:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-27 22:40:26,555 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-11-27 22:40:26,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:26,557 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-27 22:40:26,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-27 22:40:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-27 22:40:26,569 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:26,570 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-27 22:40:26,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:26,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-11-27 22:40:26,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:26,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609487838] [2019-11-27 22:40:26,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:26,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609487838] [2019-11-27 22:40:26,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:26,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:26,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954819080] [2019-11-27 22:40:26,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:26,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:26,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:26,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:26,811 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-27 22:40:27,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:27,747 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-11-27 22:40:27,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:27,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-27 22:40:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:27,755 INFO L225 Difference]: With dead ends: 1180 [2019-11-27 22:40:27,755 INFO L226 Difference]: Without dead ends: 874 [2019-11-27 22:40:27,757 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 [2019-11-27 22:40:27,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-27 22:40:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-11-27 22:40:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-11-27 22:40:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-11-27 22:40:27,791 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-11-27 22:40:27,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:27,791 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-11-27 22:40:27,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-11-27 22:40:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-27 22:40:27,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:27,795 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:27,795 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-11-27 22:40:27,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:27,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821433891] [2019-11-27 22:40:27,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-27 22:40:27,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821433891] [2019-11-27 22:40:27,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:27,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:27,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57306996] [2019-11-27 22:40:27,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:27,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:27,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:27,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:27,842 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-11-27 22:40:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:28,522 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-11-27 22:40:28,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:28,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-27 22:40:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:28,534 INFO L225 Difference]: With dead ends: 2146 [2019-11-27 22:40:28,535 INFO L226 Difference]: Without dead ends: 1278 [2019-11-27 22:40:28,537 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 [2019-11-27 22:40:28,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-11-27 22:40:28,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-11-27 22:40:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-11-27 22:40:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-11-27 22:40:28,568 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-11-27 22:40:28,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:28,568 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-11-27 22:40:28,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-11-27 22:40:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-27 22:40:28,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:28,582 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:28,582 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:28,583 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-11-27 22:40:28,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:28,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476335132] [2019-11-27 22:40:28,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:28,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476335132] [2019-11-27 22:40:28,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:28,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:40:28,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869951587] [2019-11-27 22:40:28,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:28,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:28,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:28,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:28,651 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-11-27 22:40:29,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:29,132 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-11-27 22:40:29,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:29,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-27 22:40:29,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:29,140 INFO L225 Difference]: With dead ends: 1714 [2019-11-27 22:40:29,141 INFO L226 Difference]: Without dead ends: 1138 [2019-11-27 22:40:29,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:29,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-27 22:40:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-11-27 22:40:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-11-27 22:40:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-11-27 22:40:29,166 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-11-27 22:40:29,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:29,167 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-11-27 22:40:29,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-11-27 22:40:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-27 22:40:29,169 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:29,170 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:29,170 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-11-27 22:40:29,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:29,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500170496] [2019-11-27 22:40:29,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:29,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500170496] [2019-11-27 22:40:29,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:29,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:29,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199079476] [2019-11-27 22:40:29,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:29,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:29,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:29,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:29,242 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-11-27 22:40:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:29,956 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-11-27 22:40:29,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:29,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-11-27 22:40:29,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:29,969 INFO L225 Difference]: With dead ends: 2415 [2019-11-27 22:40:29,969 INFO L226 Difference]: Without dead ends: 1279 [2019-11-27 22:40:29,971 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 [2019-11-27 22:40:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-27 22:40:29,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-11-27 22:40:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-11-27 22:40:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-11-27 22:40:30,001 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-11-27 22:40:30,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:30,001 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-11-27 22:40:30,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-11-27 22:40:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-27 22:40:30,004 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:30,005 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-11-27 22:40:30,005 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:30,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-11-27 22:40:30,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:30,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686345987] [2019-11-27 22:40:30,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:30,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686345987] [2019-11-27 22:40:30,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565771508] [2019-11-27 22:40:30,161 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 [2019-11-27 22:40:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:30,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:40:30,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:40:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:30,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:40:30,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-27 22:40:30,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327176439] [2019-11-27 22:40:30,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:30,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:30,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:30,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:30,300 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-11-27 22:40:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:30,818 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-11-27 22:40:30,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:30,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-27 22:40:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:30,831 INFO L225 Difference]: With dead ends: 3399 [2019-11-27 22:40:30,832 INFO L226 Difference]: Without dead ends: 1840 [2019-11-27 22:40:30,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-11-27 22:40:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-11-27 22:40:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-11-27 22:40:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-11-27 22:40:30,893 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-11-27 22:40:30,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:30,900 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-11-27 22:40:30,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-11-27 22:40:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-27 22:40:30,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:30,907 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:31,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:31,115 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:31,116 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-11-27 22:40:31,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:31,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540183732] [2019-11-27 22:40:31,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-27 22:40:31,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540183732] [2019-11-27 22:40:31,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:31,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:31,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812884585] [2019-11-27 22:40:31,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:31,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:31,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:31,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:31,202 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-11-27 22:40:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:31,725 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-11-27 22:40:31,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:31,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-27 22:40:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:31,733 INFO L225 Difference]: With dead ends: 4230 [2019-11-27 22:40:31,733 INFO L226 Difference]: Without dead ends: 1694 [2019-11-27 22:40:31,736 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 [2019-11-27 22:40:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-11-27 22:40:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-11-27 22:40:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-27 22:40:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-11-27 22:40:31,765 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-11-27 22:40:31,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:31,766 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-11-27 22:40:31,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-11-27 22:40:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-27 22:40:31,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:31,770 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:31,770 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:31,770 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-11-27 22:40:31,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:31,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612652528] [2019-11-27 22:40:31,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-27 22:40:31,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612652528] [2019-11-27 22:40:31,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:31,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:31,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613909808] [2019-11-27 22:40:31,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:31,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:31,831 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-11-27 22:40:32,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:32,246 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-11-27 22:40:32,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:32,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-27 22:40:32,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:32,254 INFO L225 Difference]: With dead ends: 3249 [2019-11-27 22:40:32,254 INFO L226 Difference]: Without dead ends: 1697 [2019-11-27 22:40:32,257 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 [2019-11-27 22:40:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-27 22:40:32,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-11-27 22:40:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-27 22:40:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-11-27 22:40:32,287 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-11-27 22:40:32,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:32,288 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-11-27 22:40:32,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-11-27 22:40:32,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-27 22:40:32,292 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:32,292 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:32,292 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:32,293 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-11-27 22:40:32,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:32,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174424558] [2019-11-27 22:40:32,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-27 22:40:32,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174424558] [2019-11-27 22:40:32,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894934712] [2019-11-27 22:40:32,438 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 [2019-11-27 22:40:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:32,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:40:32,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:40:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-27 22:40:32,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:40:32,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-27 22:40:32,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160222349] [2019-11-27 22:40:32,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:32,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:32,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:32,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:32,576 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-11-27 22:40:33,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:33,000 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-11-27 22:40:33,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:33,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-27 22:40:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:33,002 INFO L225 Difference]: With dead ends: 3244 [2019-11-27 22:40:33,002 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:40:33,006 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:40:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:40:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:40:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:40:33,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-11-27 22:40:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:33,007 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:40:33,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:40:33,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:40:33,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:33,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:40:33,419 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-27 22:40:33,577 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-27 22:40:33,581 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-27 22:40:33,582 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-27 22:40:33,583 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-27 22:40:33,584 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-27 22:40:33,585 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-27 22:40:33,586 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-27 22:40:33,586 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,586 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,586 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,586 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-27 22:40:33,587 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-27 22:40:33,587 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-27 22:40:33,587 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-27 22:40:33,587 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-27 22:40:33,587 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-27 22:40:33,588 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-27 22:40:33,588 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-27 22:40:33,588 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,588 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,589 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,589 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-27 22:40:33,589 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-27 22:40:33,589 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-27 22:40:33,590 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-27 22:40:33,590 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-27 22:40:33,590 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-27 22:40:33,590 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-27 22:40:33,591 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-27 22:40:33,591 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,591 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,591 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,591 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:33,592 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:33,592 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:33,592 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:33,592 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-27 22:40:33,592 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,593 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-27 22:40:33,594 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-27 22:40:33,595 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,595 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,595 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,595 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-27 22:40:33,595 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-27 22:40:33,596 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-27 22:40:33,596 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-27 22:40:33,596 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-27 22:40:33,596 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:40:33,597 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-27 22:40:33,597 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-27 22:40:33,597 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-27 22:40:33,597 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,598 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,598 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,598 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-27 22:40:33,598 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-27 22:40:33,599 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-27 22:40:33,599 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-27 22:40:33,599 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-27 22:40:33,599 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,600 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,600 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,600 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-27 22:40:33,600 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-27 22:40:33,600 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:33,601 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-27 22:40:33,602 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-27 22:40:33,602 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:40:33,602 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-27 22:40:33,602 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-27 22:40:33,602 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-27 22:40:33,603 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-27 22:40:33,604 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-27 22:40:33,604 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:33,604 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:33,604 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-27 22:40:33,605 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-27 22:40:33,605 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,605 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,605 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:33,606 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-27 22:40:33,607 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,607 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,607 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-27 22:40:33,607 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-27 22:40:33,607 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:33,608 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-27 22:40:33,609 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,609 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,609 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:33,609 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:33,609 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-27 22:40:33,610 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-27 22:40:33,610 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-27 22:40:33,610 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-27 22:40:33,610 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-27 22:40:33,611 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,611 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,611 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-27 22:40:33,611 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-27 22:40:33,612 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-27 22:40:33,612 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-27 22:40:33,612 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-27 22:40:33,612 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,612 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,613 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-27 22:40:33,613 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-27 22:40:33,613 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-27 22:40:33,614 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-27 22:40:33,614 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-27 22:40:33,614 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-27 22:40:33,614 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-27 22:40:33,615 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:33,615 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:33,615 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,615 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,616 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-27 22:40:33,616 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,616 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-27 22:40:33,616 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-27 22:40:33,617 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-27 22:40:33,617 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-27 22:40:33,617 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-27 22:40:33,617 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:40:33,618 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-27 22:40:33,618 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,618 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,618 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,618 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,619 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,620 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-27 22:40:33,620 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-27 22:40:33,620 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-27 22:40:33,620 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-27 22:40:33,620 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-27 22:40:33,621 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-27 22:40:33,622 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-27 22:40:33,622 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-27 22:40:33,622 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-27 22:40:33,622 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:40:33,623 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-27 22:40:33,623 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-27 22:40:33,623 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,623 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,624 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,624 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-27 22:40:33,624 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-27 22:40:33,624 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-27 22:40:33,625 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-27 22:40:33,625 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-27 22:40:33,625 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,625 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,626 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:33,626 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-27 22:40:33,626 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-27 22:40:33,626 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-27 22:40:33,627 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-27 22:40:33,627 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-27 22:40:33,627 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-27 22:40:33,627 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:33,627 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-27 22:40:33,628 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:33,628 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-27 22:40:33,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:40:33 BoogieIcfgContainer [2019-11-27 22:40:33,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:40:33,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:40:33,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:40:33,653 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:40:33,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:24" (3/4) ... [2019-11-27 22:40:33,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:40:33,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:40:33,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:40:33,834 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:40:33,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:40:33,836 INFO L168 Benchmark]: Toolchain (without parser) took 11470.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 946.9 MB in the beginning and 892.4 MB in the end (delta: 54.6 MB). Peak memory consumption was 399.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,837 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:40:33,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.60 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. [2019-11-27 22:40:33,838 INFO L168 Benchmark]: Boogie Preprocessor took 79.69 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,839 INFO L168 Benchmark]: RCFGBuilder took 1247.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,839 INFO L168 Benchmark]: TraceAbstraction took 9189.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.0 GB in the beginning and 911.5 MB in the end (delta: 90.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,840 INFO L168 Benchmark]: Witness Printer took 182.22 ms. Allocated memory is still 1.4 GB. Free memory was 911.5 MB in the beginning and 892.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:33,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 679.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.60 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 79.69 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1247.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9189.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.0 GB in the beginning and 911.5 MB in the end (delta: 90.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. * Witness Printer took 182.22 ms. Allocated memory is still 1.4 GB. Free memory was 911.5 MB in the beginning and 892.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, 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, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 203 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 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...