./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer --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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:02:10,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:02:10,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:02:10,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:02:10,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:02:10,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:02:10,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:02:10,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:02:10,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:02:10,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:02:10,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:02:10,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:02:10,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:02:10,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:02:10,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:02:10,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:02:10,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:02:10,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:02:10,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:02:10,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:02:10,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:02:10,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:02:10,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:02:10,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:02:10,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:02:10,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:02:10,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:02:10,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:02:10,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:02:10,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:02:10,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:02:10,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:02:10,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:02:10,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:02:10,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:02:10,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:02:10,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:02:10,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:02:10,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:02:10,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:02:10,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:02:10,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:02:10,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:02:10,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:02:10,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:02:10,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:02:10,457 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:02:10,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:02:10,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:02:10,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:02:10,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:02:10,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:02:10,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:02:10,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:02:10,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:02:10,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:02:10,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:02:10,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:02:10,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:02:10,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:02:10,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:02:10,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:02:10,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:02:10,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:02:10,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:02:10,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:02:10,462 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer 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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-12-07 11:02:10,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:02:10,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:02:10,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:02:10,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:02:10,601 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:02:10,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 11:02:10,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/data/0c04fa50b/b3c380ce2f9d4eacb101ce8024e7f720/FLAGe249eb808 [2019-12-07 11:02:11,140 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:02:11,141 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-12-07 11:02:11,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/data/0c04fa50b/b3c380ce2f9d4eacb101ce8024e7f720/FLAGe249eb808 [2019-12-07 11:02:11,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/data/0c04fa50b/b3c380ce2f9d4eacb101ce8024e7f720 [2019-12-07 11:02:11,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:02:11,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:02:11,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:02:11,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:02:11,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:02:11,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11, skipping insertion in model container [2019-12-07 11:02:11,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:02:11,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:02:11,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:02:11,401 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:02:11,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:02:11,469 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:02:11,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11 WrapperNode [2019-12-07 11:02:11,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:02:11,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:02:11,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:02:11,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:02:11,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:02:11,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:02:11,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:02:11,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:02:11,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... [2019-12-07 11:02:11,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:02:11,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:02:11,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:02:11,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:02:11,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/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 [2019-12-07 11:02:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:02:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:02:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:02:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:02:11,961 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:02:11,961 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 11:02:11,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:02:11 BoogieIcfgContainer [2019-12-07 11:02:11,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:02:11,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:02:11,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:02:11,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:02:11,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:02:11" (1/3) ... [2019-12-07 11:02:11,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7047728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:02:11, skipping insertion in model container [2019-12-07 11:02:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:02:11" (2/3) ... [2019-12-07 11:02:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7047728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:02:11, skipping insertion in model container [2019-12-07 11:02:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:02:11" (3/3) ... [2019-12-07 11:02:11,968 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-12-07 11:02:11,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:02:11,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:02:11,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:02:12,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:02:12,004 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:02:12,004 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:02:12,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:02:12,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:02:12,004 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:02:12,004 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:02:12,005 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:02:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 11:02:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:02:12,020 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:02:12,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:02:12,021 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:02:12,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:02:12,025 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-12-07 11:02:12,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:02:12,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950237701] [2019-12-07 11:02:12,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:02:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:02:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:02:12,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950237701] [2019-12-07 11:02:12,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:02:12,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:02:12,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469660901] [2019-12-07 11:02:12,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:02:12,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:02:12,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:02:12,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:02:12,204 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 11:02:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:02:12,221 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 11:02:12,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:02:12,222 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 11:02:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:02:12,229 INFO L225 Difference]: With dead ends: 136 [2019-12-07 11:02:12,229 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 11:02:12,231 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 [2019-12-07 11:02:12,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 11:02:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 11:02:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 11:02:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 11:02:12,259 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 11:02:12,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:02:12,259 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 11:02:12,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:02:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 11:02:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 11:02:12,260 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:02:12,260 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:02:12,260 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:02:12,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:02:12,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-12-07 11:02:12,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:02:12,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560880938] [2019-12-07 11:02:12,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:02:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:02:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:02:12,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560880938] [2019-12-07 11:02:12,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:02:12,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:02:12,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66278226] [2019-12-07 11:02:12,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:02:12,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:02:12,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:02:12,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:02:12,319 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-12-07 11:02:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:02:12,326 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 11:02:12,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:02:12,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 11:02:12,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:02:12,327 INFO L225 Difference]: With dead ends: 67 [2019-12-07 11:02:12,327 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 11:02:12,328 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 [2019-12-07 11:02:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 11:02:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 11:02:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 11:02:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 11:02:12,331 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 11:02:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:02:12,332 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 11:02:12,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:02:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 11:02:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:02:12,332 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:02:12,332 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] [2019-12-07 11:02:12,333 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:02:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:02:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-12-07 11:02:12,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:02:12,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13597204] [2019-12-07 11:02:12,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:02:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:02:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:02:12,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13597204] [2019-12-07 11:02:12,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:02:12,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:02:12,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591272088] [2019-12-07 11:02:12,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:02:12,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:02:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:02:12,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:02:12,376 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-12-07 11:02:12,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:02:12,399 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-12-07 11:02:12,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:02:12,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 11:02:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:02:12,400 INFO L225 Difference]: With dead ends: 87 [2019-12-07 11:02:12,400 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 11:02:12,400 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 [2019-12-07 11:02:12,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 11:02:12,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-12-07 11:02:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 11:02:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-12-07 11:02:12,406 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-12-07 11:02:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:02:12,406 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-12-07 11:02:12,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:02:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-12-07 11:02:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 11:02:12,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:02:12,407 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] [2019-12-07 11:02:12,407 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:02:12,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:02:12,408 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-12-07 11:02:12,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:02:12,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470487636] [2019-12-07 11:02:12,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:02:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:02:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:02:12,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470487636] [2019-12-07 11:02:12,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:02:12,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:02:12,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797092316] [2019-12-07 11:02:12,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:02:12,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:02:12,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:02:12,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:02:12,452 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-12-07 11:02:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:02:12,513 INFO L93 Difference]: Finished difference Result 209 states and 317 transitions. [2019-12-07 11:02:12,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:02:12,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 11:02:12,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:02:12,515 INFO L225 Difference]: With dead ends: 209 [2019-12-07 11:02:12,515 INFO L226 Difference]: Without dead ends: 159 [2019-12-07 11:02:12,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:02:12,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-12-07 11:02:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 100. [2019-12-07 11:02:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 11:02:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-12-07 11:02:12,531 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 23 [2019-12-07 11:02:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:02:12,532 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-12-07 11:02:12,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:02:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-12-07 11:02:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:02:12,533 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:02:12,533 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] [2019-12-07 11:02:12,534 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:02:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:02:12,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2019-12-07 11:02:12,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:02:12,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602749393] [2019-12-07 11:02:12,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:02:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:02:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:02:12,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602749393] [2019-12-07 11:02:12,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:02:12,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:02:12,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183747540] [2019-12-07 11:02:12,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:02:12,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:02:12,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:02:12,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:02:12,588 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 5 states. [2019-12-07 11:02:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:02:12,637 INFO L93 Difference]: Finished difference Result 244 states and 363 transitions. [2019-12-07 11:02:12,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:02:12,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 11:02:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:02:12,638 INFO L225 Difference]: With dead ends: 244 [2019-12-07 11:02:12,638 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:02:12,639 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 [2019-12-07 11:02:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:02:12,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:02:12,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:02:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:02:12,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 11:02:12,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:02:12,640 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:02:12,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:02:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:02:12,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:02:12,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:02:12,759 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,759 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:02:12,759 INFO L246 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L246 CegarLoopResult]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L246 CegarLoopResult]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L246 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L249 CegarLoopResult]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-12-07 11:02:12,760 INFO L246 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L242 CegarLoopResult]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,760 INFO L246 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-12-07 11:02:12,760 INFO L242 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L633-2(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L242 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,761 INFO L246 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 11:02:12,761 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:02:12,762 INFO L242 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-12-07 11:02:12,762 INFO L242 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-12-07 11:02:12,762 INFO L246 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-12-07 11:02:12,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:02:12,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,762 INFO L242 CegarLoopResult]: At program point L753(lines 748 756) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,762 INFO L242 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-12-07 11:02:12,762 INFO L246 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-12-07 11:02:12,762 INFO L242 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L242 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L246 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-12-07 11:02:12,763 INFO L249 CegarLoopResult]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L591(lines 587 593) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L493(lines 488 496) the Hoare annotation is: false [2019-12-07 11:02:12,764 INFO L242 CegarLoopResult]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2019-12-07 11:02:12,765 INFO L242 CegarLoopResult]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-12-07 11:02:12,765 INFO L242 CegarLoopResult]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 11:02:12,765 INFO L242 CegarLoopResult]: At program point L65(lines 1 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-12-07 11:02:12,765 INFO L242 CegarLoopResult]: At program point L891-1(lines 651 657) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-12-07 11:02:12,765 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L825-1(lines 1 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 11:02:12,766 INFO L246 CegarLoopResult]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L825-3(lines 1 910) the Hoare annotation is: false [2019-12-07 11:02:12,766 INFO L246 CegarLoopResult]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L825-5(lines 1 910) the Hoare annotation is: false [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-12-07 11:02:12,766 INFO L242 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-12-07 11:02:12,766 INFO L246 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-12-07 11:02:12,766 INFO L246 CegarLoopResult]: For program point L546-1(lines 651 657) no Hoare annotation was computed. [2019-12-07 11:02:12,766 INFO L246 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-12-07 11:02:12,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:02:12 BoogieIcfgContainer [2019-12-07 11:02:12,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:02:12,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:02:12,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:02:12,781 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:02:12,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:02:11" (3/4) ... [2019-12-07 11:02:12,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:02:12,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:02:12,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:02:12,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:02:12,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:02:12,797 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:02:12,797 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:02:12,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:02:12,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 11:02:12,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3817a874-2192-4342-8987-76e93add7194/bin/uautomizer/witness.graphml [2019-12-07 11:02:12,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:02:12,868 INFO L168 Benchmark]: Toolchain (without parser) took 1708.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 942.5 MB in the beginning and 903.8 MB in the end (delta: 38.7 MB). Peak memory consumption was 138.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:02:12,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:02:12,869 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,869 INFO L168 Benchmark]: RCFGBuilder took 423.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,870 INFO L168 Benchmark]: TraceAbstraction took 817.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 909.1 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,870 INFO L168 Benchmark]: Witness Printer took 85.68 ms. Allocated memory is still 1.1 GB. Free memory was 909.1 MB in the beginning and 903.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:02:12,872 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 423.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 817.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 909.1 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Witness Printer took 85.68 ms. Allocated memory is still 1.1 GB. Free memory was 909.1 MB in the beginning and 903.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: 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: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 310 SDtfs, 300 SDslu, 260 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...