./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.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/product-lines/minepump_spec2_product11.cil.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 42f057e1184787910edaa7abcd242178a9de26a8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:20:44,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:44,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:44,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:44,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:44,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:44,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:44,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:44,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:44,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:44,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:44,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:44,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:44,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:44,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:44,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:44,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:44,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:44,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:44,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:44,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:44,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:44,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:44,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:44,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:44,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:44,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:44,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:44,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:44,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:44,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:44,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:44,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:44,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:44,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:44,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:44,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:44,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:44,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:44,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:44,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:44,131 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:44,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:44,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:44,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:44,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:44,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:44,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:44,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:44,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:44,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:44,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:44,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:44,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:44,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:44,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:44,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:44,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:44,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:44,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:44,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:44,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:44,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:44,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:44,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:44,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:44,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:44,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:44,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:44,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:44,154 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 -> 42f057e1184787910edaa7abcd242178a9de26a8 [2019-11-28 00:20:44,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:44,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:44,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:44,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:44,491 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:44,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-11-28 00:20:44,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e678902a3/6f5565e37979487eae030593df798fb5/FLAGcde12c18a [2019-11-28 00:20:45,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:45,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-11-28 00:20:45,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e678902a3/6f5565e37979487eae030593df798fb5/FLAGcde12c18a [2019-11-28 00:20:45,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e678902a3/6f5565e37979487eae030593df798fb5 [2019-11-28 00:20:45,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:45,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:45,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:45,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:45,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:45,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:45" (1/1) ... [2019-11-28 00:20:45,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16abc7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:45, skipping insertion in model container [2019-11-28 00:20:45,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:45" (1/1) ... [2019-11-28 00:20:45,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:45,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:45,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:45,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:45,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:46,026 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:46,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46 WrapperNode [2019-11-28 00:20:46,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:46,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:46,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:46,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:46,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:46,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:46,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:46,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:46,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... [2019-11-28 00:20:46,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:46,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:46,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:46,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:46,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:46,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:46,946 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:46,946 INFO L297 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-28 00:20:46,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:46 BoogieIcfgContainer [2019-11-28 00:20:46,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:46,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:46,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:46,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:46,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:45" (1/3) ... [2019-11-28 00:20:46,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:46, skipping insertion in model container [2019-11-28 00:20:46,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:46" (2/3) ... [2019-11-28 00:20:46,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:46, skipping insertion in model container [2019-11-28 00:20:46,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:46" (3/3) ... [2019-11-28 00:20:46,958 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2019-11-28 00:20:46,968 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:46,979 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:46,991 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:47,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:47,024 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:47,024 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:47,024 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:47,024 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:47,025 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:47,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:47,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-11-28 00:20:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:20:47,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:47,049 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:47,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:47,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:47,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2019-11-28 00:20:47,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:47,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032738650] [2019-11-28 00:20:47,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:47,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032738650] [2019-11-28 00:20:47,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:47,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:47,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323053994] [2019-11-28 00:20:47,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:20:47,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:47,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:20:47,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:47,346 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-11-28 00:20:47,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:47,374 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-11-28 00:20:47,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:20:47,375 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:20:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:47,388 INFO L225 Difference]: With dead ends: 119 [2019-11-28 00:20:47,388 INFO L226 Difference]: Without dead ends: 59 [2019-11-28 00:20:47,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-28 00:20:47,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-28 00:20:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 00:20:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-11-28 00:20:47,441 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-11-28 00:20:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:47,442 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-11-28 00:20:47,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:20:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-11-28 00:20:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:20:47,445 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:47,445 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:47,446 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:47,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:47,447 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2019-11-28 00:20:47,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:47,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993662499] [2019-11-28 00:20:47,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:47,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993662499] [2019-11-28 00:20:47,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:47,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:20:47,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560846930] [2019-11-28 00:20:47,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:47,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:47,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:47,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:47,604 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-11-28 00:20:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:47,616 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-11-28 00:20:47,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:47,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:20:47,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:47,620 INFO L225 Difference]: With dead ends: 59 [2019-11-28 00:20:47,621 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 00:20:47,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 00:20:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-28 00:20:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 00:20:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-28 00:20:47,634 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-11-28 00:20:47,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:47,635 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-28 00:20:47,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-28 00:20:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:20:47,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:47,636 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] [2019-11-28 00:20:47,637 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:47,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:47,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2019-11-28 00:20:47,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:47,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126232083] [2019-11-28 00:20:47,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:47,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126232083] [2019-11-28 00:20:47,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:47,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:47,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663088507] [2019-11-28 00:20:47,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:47,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:47,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:47,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:47,737 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-11-28 00:20:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:47,773 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2019-11-28 00:20:47,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:47,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:20:47,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:47,777 INFO L225 Difference]: With dead ends: 79 [2019-11-28 00:20:47,778 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:20:47,779 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 [2019-11-28 00:20:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:20:47,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2019-11-28 00:20:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 00:20:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-11-28 00:20:47,792 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2019-11-28 00:20:47,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:47,792 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-11-28 00:20:47,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-11-28 00:20:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:20:47,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:47,794 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] [2019-11-28 00:20:47,794 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:47,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:47,795 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2019-11-28 00:20:47,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:47,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329495519] [2019-11-28 00:20:47,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:47,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329495519] [2019-11-28 00:20:47,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:47,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:47,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410980795] [2019-11-28 00:20:47,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:47,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:47,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:47,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:47,886 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2019-11-28 00:20:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:48,034 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2019-11-28 00:20:48,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:20:48,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:20:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:48,040 INFO L225 Difference]: With dead ends: 219 [2019-11-28 00:20:48,041 INFO L226 Difference]: Without dead ends: 175 [2019-11-28 00:20:48,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:20:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-28 00:20:48,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2019-11-28 00:20:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 00:20:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2019-11-28 00:20:48,078 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2019-11-28 00:20:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:48,080 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2019-11-28 00:20:48,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-11-28 00:20:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:20:48,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:48,082 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] [2019-11-28 00:20:48,083 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2019-11-28 00:20:48,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:48,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42738612] [2019-11-28 00:20:48,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:48,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42738612] [2019-11-28 00:20:48,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:48,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:48,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130000470] [2019-11-28 00:20:48,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:48,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:48,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:48,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:48,198 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2019-11-28 00:20:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:48,271 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2019-11-28 00:20:48,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:20:48,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 00:20:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:48,272 INFO L225 Difference]: With dead ends: 271 [2019-11-28 00:20:48,272 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:20:48,274 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:20:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:20:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:20:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:20:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:20:48,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-28 00:20:48,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:48,275 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:20:48,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:20:48,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:20:48,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:20:48,568 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,568 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:20:48,568 INFO L246 CegarLoopResult]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-11-28 00:20:48,568 INFO L242 CegarLoopResult]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,568 INFO L246 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-11-28 00:20:48,569 INFO L242 CegarLoopResult]: At program point L468(lines 468 474) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,569 INFO L242 CegarLoopResult]: At program point L468-1(lines 468 474) the Hoare annotation is: false [2019-11-28 00:20:48,569 INFO L242 CegarLoopResult]: At program point L468-2(lines 468 474) the Hoare annotation is: false [2019-11-28 00:20:48,569 INFO L246 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-11-28 00:20:48,569 INFO L242 CegarLoopResult]: At program point L617-1(lines 617 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,569 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:48,570 INFO L246 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,570 INFO L246 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,570 INFO L246 CegarLoopResult]: For program point L668-2(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L246 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L246 CegarLoopResult]: For program point L719-3(lines 719 723) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L246 CegarLoopResult]: For program point L719-6(lines 719 723) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L246 CegarLoopResult]: For program point L637(lines 637 650) no Hoare annotation was computed. [2019-11-28 00:20:48,571 INFO L242 CegarLoopResult]: At program point L538(lines 533 541) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,571 INFO L242 CegarLoopResult]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-11-28 00:20:48,572 INFO L242 CegarLoopResult]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-11-28 00:20:48,572 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,572 INFO L249 CegarLoopResult]: At program point L885(lines 866 888) the Hoare annotation is: true [2019-11-28 00:20:48,572 INFO L242 CegarLoopResult]: At program point L852(lines 848 854) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:48,572 INFO L242 CegarLoopResult]: At program point L655(lines 606 656) the Hoare annotation is: false [2019-11-28 00:20:48,573 INFO L242 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2019-11-28 00:20:48,573 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:20:48,573 INFO L246 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-28 00:20:48,573 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,573 INFO L242 CegarLoopResult]: At program point L756-1(lines 751 759) the Hoare annotation is: false [2019-11-28 00:20:48,573 INFO L246 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:48,574 INFO L242 CegarLoopResult]: At program point L756-2(lines 751 759) the Hoare annotation is: false [2019-11-28 00:20:48,574 INFO L242 CegarLoopResult]: At program point L690-1(lines 1 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,574 INFO L246 CegarLoopResult]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:48,574 INFO L242 CegarLoopResult]: At program point L690-3(lines 1 888) the Hoare annotation is: false [2019-11-28 00:20:48,574 INFO L246 CegarLoopResult]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:48,574 INFO L242 CegarLoopResult]: At program point L690-5(lines 1 888) the Hoare annotation is: false [2019-11-28 00:20:48,575 INFO L246 CegarLoopResult]: For program point L608(lines 607 654) no Hoare annotation was computed. [2019-11-28 00:20:48,575 INFO L246 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-11-28 00:20:48,575 INFO L242 CegarLoopResult]: At program point L461(lines 460 479) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,575 INFO L246 CegarLoopResult]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2019-11-28 00:20:48,575 INFO L242 CegarLoopResult]: At program point L461-2(lines 460 479) the Hoare annotation is: false [2019-11-28 00:20:48,575 INFO L242 CegarLoopResult]: At program point L461-3(lines 460 479) the Hoare annotation is: false [2019-11-28 00:20:48,576 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-28 00:20:48,576 INFO L246 CegarLoopResult]: For program point L808-1(lines 461 467) no Hoare annotation was computed. [2019-11-28 00:20:48,576 INFO L246 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-28 00:20:48,576 INFO L242 CegarLoopResult]: At program point L643-1(lines 461 467) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,576 INFO L242 CegarLoopResult]: At program point L65(lines 1 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:48,576 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:20:48,577 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-28 00:20:48,577 INFO L246 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-11-28 00:20:48,577 INFO L242 CegarLoopResult]: At program point L627-1(lines 627 633) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:48,577 INFO L246 CegarLoopResult]: For program point L743(lines 743 747) no Hoare annotation was computed. [2019-11-28 00:20:48,577 INFO L246 CegarLoopResult]: For program point L694(lines 694 704) no Hoare annotation was computed. [2019-11-28 00:20:48,577 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 704) no Hoare annotation was computed. [2019-11-28 00:20:48,578 INFO L246 CegarLoopResult]: For program point L694-4(lines 694 704) no Hoare annotation was computed. [2019-11-28 00:20:48,578 INFO L246 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-11-28 00:20:48,578 INFO L249 CegarLoopResult]: At program point L876-1(lines 876 883) the Hoare annotation is: true [2019-11-28 00:20:48,578 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-28 00:20:48,578 INFO L246 CegarLoopResult]: For program point L695-2(lines 695 701) no Hoare annotation was computed. [2019-11-28 00:20:48,578 INFO L246 CegarLoopResult]: For program point L695-4(lines 695 701) no Hoare annotation was computed. [2019-11-28 00:20:48,579 INFO L242 CegarLoopResult]: At program point L679(lines 674 681) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:48,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:48 BoogieIcfgContainer [2019-11-28 00:20:48,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:20:48,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:20:48,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:20:48,603 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:20:48,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:46" (3/4) ... [2019-11-28 00:20:48,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:20:48,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:20:48,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:20:48,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:20:48,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:20:48,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:20:48,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:48,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:48,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:48,718 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:20:48,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:20:48,721 INFO L168 Benchmark]: Toolchain (without parser) took 3295.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 929.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:48,722 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:20:48,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:48,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.88 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. [2019-11-28 00:20:48,723 INFO L168 Benchmark]: Boogie Preprocessor took 39.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:20:48,724 INFO L168 Benchmark]: RCFGBuilder took 794.60 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:48,724 INFO L168 Benchmark]: TraceAbstraction took 1652.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.2 MB in the end (delta: 118.8 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:48,725 INFO L168 Benchmark]: Witness Printer took 116.73 ms. Allocated memory is still 1.2 GB. Free memory was 936.2 MB in the beginning and 929.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:48,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.88 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. * Boogie Preprocessor took 39.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 794.60 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1652.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.2 MB in the end (delta: 118.8 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. * Witness Printer took 116.73 ms. Allocated memory is still 1.2 GB. Free memory was 936.2 MB in the beginning and 929.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 287 SDtfs, 256 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...