./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:08,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:08,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:08,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:08,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:08,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:08,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:08,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:08,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:08,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:08,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:08,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:08,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:08,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:08,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:08,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:08,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:08,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:08,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:08,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:08,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:08,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:08,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:08,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:08,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:08,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:08,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:08,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:08,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:08,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:08,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:08,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:08,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:08,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:08,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:08,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:08,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:08,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:08,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:08,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:08,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:08,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:48:08,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:08,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:08,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:08,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:08,433 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:08,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:08,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:08,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:08,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:08,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:08,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:08,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:08,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:08,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:08,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:08,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:08,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:08,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:08,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:08,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:08,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:08,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:08,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:08,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:08,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:08,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:08,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:48:08,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:08,440 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_acb0ac72-7344-4f11-9c50-268735d5bd27/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2019-11-25 08:48:08,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:08,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:08,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:08,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:08,589 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:08,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2019-11-25 08:48:08,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/data/5c4f1d7eb/f3bd91ae416447a88bbba332770795ab/FLAGb9b8309b3 [2019-11-25 08:48:09,096 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:09,096 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2019-11-25 08:48:09,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/data/5c4f1d7eb/f3bd91ae416447a88bbba332770795ab/FLAGb9b8309b3 [2019-11-25 08:48:09,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/data/5c4f1d7eb/f3bd91ae416447a88bbba332770795ab [2019-11-25 08:48:09,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:09,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:09,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:09,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:09,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:09,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:09" (1/1) ... [2019-11-25 08:48:09,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4291812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:09, skipping insertion in model container [2019-11-25 08:48:09,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:09" (1/1) ... [2019-11-25 08:48:09,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:09,504 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:09,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:09,905 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:09,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:10,019 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:10,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10 WrapperNode [2019-11-25 08:48:10,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:10,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:10,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:10,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:10,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:10,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:10,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:10,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:10,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... [2019-11-25 08:48:10,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:10,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:10,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:10,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:10,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/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 [2019-11-25 08:48:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:48:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:10,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:10,915 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-25 08:48:10,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10 BoogieIcfgContainer [2019-11-25 08:48:10,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:10,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:48:10,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:48:10,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:48:10,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:09" (1/3) ... [2019-11-25 08:48:10,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8830ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:10, skipping insertion in model container [2019-11-25 08:48:10,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:10" (2/3) ... [2019-11-25 08:48:10,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8830ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:10, skipping insertion in model container [2019-11-25 08:48:10,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10" (3/3) ... [2019-11-25 08:48:10,931 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2019-11-25 08:48:10,940 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:48:10,947 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:48:10,955 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:48:10,986 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:48:10,986 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:48:10,986 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:48:10,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:10,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:10,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:48:10,987 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:10,987 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:48:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-25 08:48:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:48:11,007 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:11,007 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:11,008 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:11,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1574942692, now seen corresponding path program 1 times [2019-11-25 08:48:11,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:11,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542485101] [2019-11-25 08:48:11,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542485101] [2019-11-25 08:48:11,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:48:11,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364576515] [2019-11-25 08:48:11,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:48:11,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:48:11,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:48:11,243 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-25 08:48:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:11,264 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2019-11-25 08:48:11,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:48:11,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:48:11,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:11,274 INFO L225 Difference]: With dead ends: 143 [2019-11-25 08:48:11,274 INFO L226 Difference]: Without dead ends: 71 [2019-11-25 08:48:11,277 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 [2019-11-25 08:48:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-25 08:48:11,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-25 08:48:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-25 08:48:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2019-11-25 08:48:11,309 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2019-11-25 08:48:11,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:11,310 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2019-11-25 08:48:11,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:48:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2019-11-25 08:48:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:48:11,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:11,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:11,311 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:11,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:11,312 INFO L82 PathProgramCache]: Analyzing trace with hash -562353309, now seen corresponding path program 1 times [2019-11-25 08:48:11,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:11,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098654781] [2019-11-25 08:48:11,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098654781] [2019-11-25 08:48:11,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:11,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826862479] [2019-11-25 08:48:11,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:11,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:11,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:11,442 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2019-11-25 08:48:11,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:11,451 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2019-11-25 08:48:11,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:11,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:48:11,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:11,452 INFO L225 Difference]: With dead ends: 71 [2019-11-25 08:48:11,453 INFO L226 Difference]: Without dead ends: 35 [2019-11-25 08:48:11,453 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 [2019-11-25 08:48:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-25 08:48:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-25 08:48:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-25 08:48:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-25 08:48:11,458 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-11-25 08:48:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:11,459 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-25 08:48:11,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-25 08:48:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:48:11,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:11,460 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] [2019-11-25 08:48:11,461 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:11,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:11,461 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2019-11-25 08:48:11,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:11,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970315526] [2019-11-25 08:48:11,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970315526] [2019-11-25 08:48:11,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:48:11,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400257668] [2019-11-25 08:48:11,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:11,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:11,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:11,562 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-11-25 08:48:11,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:11,592 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-11-25 08:48:11,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:11,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:48:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:11,595 INFO L225 Difference]: With dead ends: 91 [2019-11-25 08:48:11,597 INFO L226 Difference]: Without dead ends: 63 [2019-11-25 08:48:11,598 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 [2019-11-25 08:48:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-25 08:48:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2019-11-25 08:48:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-25 08:48:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2019-11-25 08:48:11,612 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2019-11-25 08:48:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:11,613 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2019-11-25 08:48:11,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2019-11-25 08:48:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 08:48:11,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:11,622 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] [2019-11-25 08:48:11,622 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:11,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:11,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2019-11-25 08:48:11,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:11,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630605960] [2019-11-25 08:48:11,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630605960] [2019-11-25 08:48:11,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:48:11,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280383490] [2019-11-25 08:48:11,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:48:11,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:48:11,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:48:11,723 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2019-11-25 08:48:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:11,847 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2019-11-25 08:48:11,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:48:11,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-25 08:48:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:11,850 INFO L225 Difference]: With dead ends: 265 [2019-11-25 08:48:11,850 INFO L226 Difference]: Without dead ends: 213 [2019-11-25 08:48:11,851 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 [2019-11-25 08:48:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-25 08:48:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2019-11-25 08:48:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-25 08:48:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2019-11-25 08:48:11,867 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2019-11-25 08:48:11,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:11,867 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2019-11-25 08:48:11,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:48:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2019-11-25 08:48:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:48:11,869 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:11,869 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:11,869 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:11,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:11,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2019-11-25 08:48:11,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:11,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540844653] [2019-11-25 08:48:11,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540844653] [2019-11-25 08:48:11,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:48:11,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657981218] [2019-11-25 08:48:11,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:48:11,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:48:11,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:48:11,931 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2019-11-25 08:48:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:11,997 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2019-11-25 08:48:11,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:48:11,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-25 08:48:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:11,998 INFO L225 Difference]: With dead ends: 299 [2019-11-25 08:48:11,998 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:48:12,000 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 [2019-11-25 08:48:12,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:48:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:48:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:48:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:48:12,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-25 08:48:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:12,001 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:12,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:48:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:48:12,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:48:12,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:48:12,267 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 320) no Hoare annotation was computed. [2019-11-25 08:48:12,267 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,267 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:48:12,267 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 813) no Hoare annotation was computed. [2019-11-25 08:48:12,268 INFO L440 ceAbstractionStarter]: At program point L796-1(lines 1 913) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,268 INFO L440 ceAbstractionStarter]: At program point L829-2(lines 829 843) the Hoare annotation is: false [2019-11-25 08:48:12,268 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2019-11-25 08:48:12,268 INFO L440 ceAbstractionStarter]: At program point L796-3(lines 1 913) the Hoare annotation is: false [2019-11-25 08:48:12,268 INFO L444 ceAbstractionStarter]: For program point L796-4(lines 796 813) no Hoare annotation was computed. [2019-11-25 08:48:12,268 INFO L440 ceAbstractionStarter]: At program point L796-5(lines 1 913) the Hoare annotation is: false [2019-11-25 08:48:12,269 INFO L444 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-11-25 08:48:12,269 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-11-25 08:48:12,269 INFO L440 ceAbstractionStarter]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,269 INFO L440 ceAbstractionStarter]: At program point L766(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-25 08:48:12,269 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-11-25 08:48:12,269 INFO L444 ceAbstractionStarter]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-11-25 08:48:12,269 INFO L444 ceAbstractionStarter]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2019-11-25 08:48:12,270 INFO L440 ceAbstractionStarter]: At program point L238-1(lines 238 244) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,270 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2019-11-25 08:48:12,271 INFO L444 ceAbstractionStarter]: For program point L800(lines 800 810) no Hoare annotation was computed. [2019-11-25 08:48:12,271 INFO L444 ceAbstractionStarter]: For program point L833-1(lines 57 63) no Hoare annotation was computed. [2019-11-25 08:48:12,271 INFO L444 ceAbstractionStarter]: For program point L800-2(lines 800 810) no Hoare annotation was computed. [2019-11-25 08:48:12,271 INFO L444 ceAbstractionStarter]: For program point L800-4(lines 800 810) no Hoare annotation was computed. [2019-11-25 08:48:12,271 INFO L440 ceAbstractionStarter]: At program point L57(lines 56 75) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,271 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-11-25 08:48:12,272 INFO L440 ceAbstractionStarter]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-11-25 08:48:12,272 INFO L440 ceAbstractionStarter]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-11-25 08:48:12,272 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 807) no Hoare annotation was computed. [2019-11-25 08:48:12,274 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:48:12,274 INFO L444 ceAbstractionStarter]: For program point L801-2(lines 801 807) no Hoare annotation was computed. [2019-11-25 08:48:12,274 INFO L444 ceAbstractionStarter]: For program point L801-4(lines 801 807) no Hoare annotation was computed. [2019-11-25 08:48:12,274 INFO L440 ceAbstractionStarter]: At program point L785(lines 780 787) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-25 08:48:12,275 INFO L444 ceAbstractionStarter]: For program point L901(lines 901 908) no Hoare annotation was computed. [2019-11-25 08:48:12,277 INFO L447 ceAbstractionStarter]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2019-11-25 08:48:12,278 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,278 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 271) no Hoare annotation was computed. [2019-11-25 08:48:12,278 INFO L440 ceAbstractionStarter]: At program point L159(lines 154 162) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,278 INFO L440 ceAbstractionStarter]: At program point L159-1(lines 154 162) the Hoare annotation is: false [2019-11-25 08:48:12,278 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-11-25 08:48:12,278 INFO L440 ceAbstractionStarter]: At program point L159-2(lines 154 162) the Hoare annotation is: false [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point L292-3(lines 292 296) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point L292-6(lines 292 296) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:48:12,279 INFO L440 ceAbstractionStarter]: At program point L276(lines 227 277) the Hoare annotation is: false [2019-11-25 08:48:12,280 INFO L440 ceAbstractionStarter]: At program point L774(lines 769 777) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-25 08:48:12,280 INFO L444 ceAbstractionStarter]: For program point L229(lines 228 275) no Hoare annotation was computed. [2019-11-25 08:48:12,280 INFO L440 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,280 INFO L440 ceAbstractionStarter]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-11-25 08:48:12,280 INFO L440 ceAbstractionStarter]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-11-25 08:48:12,280 INFO L440 ceAbstractionStarter]: At program point L329(lines 324 332) the Hoare annotation is: false [2019-11-25 08:48:12,281 INFO L440 ceAbstractionStarter]: At program point L329-1(lines 324 332) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,281 INFO L440 ceAbstractionStarter]: At program point L329-2(lines 324 332) the Hoare annotation is: false [2019-11-25 08:48:12,281 INFO L444 ceAbstractionStarter]: For program point L230(lines 230 234) no Hoare annotation was computed. [2019-11-25 08:48:12,281 INFO L440 ceAbstractionStarter]: At program point L329-3(lines 324 332) the Hoare annotation is: false [2019-11-25 08:48:12,281 INFO L440 ceAbstractionStarter]: At program point L329-4(lines 324 332) the Hoare annotation is: false [2019-11-25 08:48:12,281 INFO L440 ceAbstractionStarter]: At program point L329-5(lines 324 332) the Hoare annotation is: false [2019-11-25 08:48:12,282 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:48:12,282 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-11-25 08:48:12,282 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2019-11-25 08:48:12,282 INFO L440 ceAbstractionStarter]: At program point L264-1(lines 57 63) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,282 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2019-11-25 08:48:12,282 INFO L440 ceAbstractionStarter]: At program point L248-1(lines 248 254) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:48:12,282 INFO L440 ceAbstractionStarter]: At program point L150(lines 143 153) the Hoare annotation is: false [2019-11-25 08:48:12,283 INFO L440 ceAbstractionStarter]: At program point L150-1(lines 143 153) the Hoare annotation is: false [2019-11-25 08:48:12,283 INFO L440 ceAbstractionStarter]: At program point L150-2(lines 143 153) the Hoare annotation is: false [2019-11-25 08:48:12,283 INFO L447 ceAbstractionStarter]: At program point L910(lines 891 913) the Hoare annotation is: true [2019-11-25 08:48:12,283 INFO L440 ceAbstractionStarter]: At program point L877(lines 873 879) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-25 08:48:12,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:48:12 BoogieIcfgContainer [2019-11-25 08:48:12,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:48:12,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:12,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:12,317 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:12,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10" (3/4) ... [2019-11-25 08:48:12,320 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:48:12,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:48:12,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:48:12,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:48:12,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:48:12,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:48:12,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:48:12,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:48:12,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:48:12,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_acb0ac72-7344-4f11-9c50-268735d5bd27/bin/uautomizer/witness.graphml [2019-11-25 08:48:12,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:12,432 INFO L168 Benchmark]: Toolchain (without parser) took 2999.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 926.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,432 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:12,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.48 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. [2019-11-25 08:48:12,433 INFO L168 Benchmark]: Boogie Preprocessor took 52.09 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,433 INFO L168 Benchmark]: RCFGBuilder took 774.81 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,434 INFO L168 Benchmark]: TraceAbstraction took 1397.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.5 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,434 INFO L168 Benchmark]: Witness Printer took 113.69 ms. Allocated memory is still 1.2 GB. Free memory was 937.5 MB in the beginning and 926.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:12,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.09 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 774.81 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1397.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.5 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 113.69 ms. Allocated memory is still 1.2 GB. Free memory was 937.5 MB in the beginning and 926.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: 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: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 325 SDtfs, 293 SDslu, 328 SDs, 0 SdLazy, 65 SolverSat, 11 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=103occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...