./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/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 19e7916b57c61379c1750277bd4e75aabb7fe031 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:19,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:19,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:19,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:19,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:19,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:19,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:19,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:19,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:19,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:19,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:19,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:19,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:19,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:19,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:19,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:19,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:19,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:19,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:19,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:19,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:19,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:19,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:19,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:19,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:19,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:19,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:19,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:19,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:19,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:19,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:19,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:19,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:19,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:19,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:19,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:19,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:19,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:19,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:19,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:19,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:19,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:19,984 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:19,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:19,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:19,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:19,985 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:19,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:19,986 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:19,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:19,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:19,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:19,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:19,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:19,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:19,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:19,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:19,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:19,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:19,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:19,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:19,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:19,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:19,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:19,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:19,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2019-10-22 08:57:20,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:20,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:20,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:20,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:20,027 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:20,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2019-10-22 08:57:20,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/data/2d601b298/a9277b3807824ea89fdaae8425e345eb/FLAG26a9c23d6 [2019-10-22 08:57:20,514 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:20,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2019-10-22 08:57:20,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/data/2d601b298/a9277b3807824ea89fdaae8425e345eb/FLAG26a9c23d6 [2019-10-22 08:57:20,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/data/2d601b298/a9277b3807824ea89fdaae8425e345eb [2019-10-22 08:57:20,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:20,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:20,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:20,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:20,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:20,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:20" (1/1) ... [2019-10-22 08:57:20,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:20, skipping insertion in model container [2019-10-22 08:57:20,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:20" (1/1) ... [2019-10-22 08:57:20,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:20,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:20,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:20,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:21,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:21,049 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:21,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21 WrapperNode [2019-10-22 08:57:21,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:21,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:21,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:21,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:21,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:21,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:21,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:21,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:21,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... [2019-10-22 08:57:21,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:21,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:21,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:21,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:21,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/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 [2019-10-22 08:57:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:57:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:22,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:22,014 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 08:57:22,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:22 BoogieIcfgContainer [2019-10-22 08:57:22,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:22,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:22,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:22,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:22,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:20" (1/3) ... [2019-10-22 08:57:22,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d526b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:22, skipping insertion in model container [2019-10-22 08:57:22,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:21" (2/3) ... [2019-10-22 08:57:22,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d526b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:22, skipping insertion in model container [2019-10-22 08:57:22,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:22" (3/3) ... [2019-10-22 08:57:22,022 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-10-22 08:57:22,030 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:22,036 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:57:22,046 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:57:22,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:22,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:22,067 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:22,067 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:22,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:22,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:22,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:22,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-22 08:57:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:57:22,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:22,089 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:22,091 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:22,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-10-22 08:57:22,103 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:22,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568501424] [2019-10-22 08:57:22,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:22,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568501424] [2019-10-22 08:57:22,269 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:22,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:22,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396430996] [2019-10-22 08:57:22,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:22,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:22,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:22,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:22,288 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-22 08:57:22,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:22,324 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-10-22 08:57:22,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:22,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:57:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:22,335 INFO L225 Difference]: With dead ends: 208 [2019-10-22 08:57:22,335 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 08:57:22,338 INFO L600 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 [2019-10-22 08:57:22,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 08:57:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 08:57:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 08:57:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-10-22 08:57:22,378 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-10-22 08:57:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:22,378 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-10-22 08:57:22,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-10-22 08:57:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:57:22,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:22,379 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:22,379 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:22,380 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-10-22 08:57:22,380 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:22,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146826063] [2019-10-22 08:57:22,380 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,380 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:22,472 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146826063] [2019-10-22 08:57:22,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:22,472 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:22,473 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489984797] [2019-10-22 08:57:22,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:22,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:22,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:22,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:22,475 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-10-22 08:57:22,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:22,490 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-10-22 08:57:22,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:22,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:57:22,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:22,492 INFO L225 Difference]: With dead ends: 103 [2019-10-22 08:57:22,492 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 08:57:22,493 INFO L600 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 [2019-10-22 08:57:22,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 08:57:22,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 08:57:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 08:57:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 08:57:22,499 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-10-22 08:57:22,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:22,499 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 08:57:22,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 08:57:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:57:22,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:22,500 INFO L380 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] [2019-10-22 08:57:22,501 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:22,501 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-10-22 08:57:22,501 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:22,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815924598] [2019-10-22 08:57:22,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:22,627 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815924598] [2019-10-22 08:57:22,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:22,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:22,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446509238] [2019-10-22 08:57:22,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:22,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:22,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:22,629 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 5 states. [2019-10-22 08:57:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:22,736 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2019-10-22 08:57:22,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:22,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 08:57:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:22,740 INFO L225 Difference]: With dead ends: 107 [2019-10-22 08:57:22,740 INFO L226 Difference]: Without dead ends: 68 [2019-10-22 08:57:22,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:22,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-10-22 08:57:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-10-22 08:57:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 08:57:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-10-22 08:57:22,757 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-10-22 08:57:22,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:22,757 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-10-22 08:57:22,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-10-22 08:57:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:57:22,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:22,761 INFO L380 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] [2019-10-22 08:57:22,762 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:22,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-10-22 08:57:22,762 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:22,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961275696] [2019-10-22 08:57:22,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:22,845 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961275696] [2019-10-22 08:57:22,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:22,845 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:22,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890276427] [2019-10-22 08:57:22,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:22,846 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:22,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:22,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:22,847 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-10-22 08:57:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:22,944 INFO L93 Difference]: Finished difference Result 249 states and 377 transitions. [2019-10-22 08:57:22,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:22,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:57:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:22,946 INFO L225 Difference]: With dead ends: 249 [2019-10-22 08:57:22,946 INFO L226 Difference]: Without dead ends: 191 [2019-10-22 08:57:22,947 INFO L600 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 [2019-10-22 08:57:22,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-22 08:57:22,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 116. [2019-10-22 08:57:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 08:57:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2019-10-22 08:57:22,972 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 24 [2019-10-22 08:57:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:22,973 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2019-10-22 08:57:22,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2019-10-22 08:57:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:22,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:22,980 INFO L380 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] [2019-10-22 08:57:22,980 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:22,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1231968550, now seen corresponding path program 1 times [2019-10-22 08:57:22,981 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:22,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645019451] [2019-10-22 08:57:22,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:22,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:23,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645019451] [2019-10-22 08:57:23,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:23,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:23,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719778326] [2019-10-22 08:57:23,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:23,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:23,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:23,093 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand 5 states. [2019-10-22 08:57:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:23,214 INFO L93 Difference]: Finished difference Result 260 states and 387 transitions. [2019-10-22 08:57:23,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:23,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:57:23,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:23,216 INFO L225 Difference]: With dead ends: 260 [2019-10-22 08:57:23,216 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:23,217 INFO L600 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 [2019-10-22 08:57:23,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:23,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:23,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:57:23,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:23,218 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:23,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:23,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:23,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762-1(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762-2(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762-3(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762-4(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,508 INFO L439 ceAbstractionStarter]: At program point L762-5(lines 747 765) the Hoare annotation is: false [2019-10-22 08:57:23,509 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-10-22 08:57:23,509 INFO L439 ceAbstractionStarter]: At program point L532-1(lines 532 538) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,509 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:57:23,509 INFO L439 ceAbstractionStarter]: At program point L929(lines 1 949) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:57:23,509 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-10-22 08:57:23,509 INFO L439 ceAbstractionStarter]: At program point L698(lines 691 701) the Hoare annotation is: false [2019-10-22 08:57:23,509 INFO L443 ceAbstractionStarter]: For program point L797-3(lines 797 801) no Hoare annotation was computed. [2019-10-22 08:57:23,509 INFO L439 ceAbstractionStarter]: At program point L698-1(lines 691 701) the Hoare annotation is: false [2019-10-22 08:57:23,510 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,510 INFO L439 ceAbstractionStarter]: At program point L698-2(lines 691 701) the Hoare annotation is: false [2019-10-22 08:57:23,510 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,510 INFO L443 ceAbstractionStarter]: For program point L797-6(lines 797 801) no Hoare annotation was computed. [2019-10-22 08:57:23,510 INFO L443 ceAbstractionStarter]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,511 INFO L443 ceAbstractionStarter]: For program point L632-3(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,511 INFO L443 ceAbstractionStarter]: For program point L632-4(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,511 INFO L443 ceAbstractionStarter]: For program point L632-5(lines 632 640) no Hoare annotation was computed. [2019-10-22 08:57:23,511 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 08:57:23,511 INFO L439 ceAbstractionStarter]: At program point L866(lines 861 869) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,511 INFO L439 ceAbstractionStarter]: At program point L866-1(lines 861 869) the Hoare annotation is: false [2019-10-22 08:57:23,511 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L834(lines 829 837) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L603-1(lines 603 609) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 603 609) the Hoare annotation is: false [2019-10-22 08:57:23,512 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L770-1(lines 770 776) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: false [2019-10-22 08:57:23,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L937(lines 932 940) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L707(lines 702 710) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L707-1(lines 702 710) the Hoare annotation is: false [2019-10-22 08:57:23,513 INFO L439 ceAbstractionStarter]: At program point L707-2(lines 702 710) the Hoare annotation is: false [2019-10-22 08:57:23,514 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-10-22 08:57:23,514 INFO L439 ceAbstractionStarter]: At program point L542-1(lines 542 548) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,514 INFO L439 ceAbstractionStarter]: At program point L875(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,515 INFO L439 ceAbstractionStarter]: At program point L875-1(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,515 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-10-22 08:57:23,515 INFO L439 ceAbstractionStarter]: At program point L875-2(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,515 INFO L439 ceAbstractionStarter]: At program point L875-3(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,515 INFO L439 ceAbstractionStarter]: At program point L875-4(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,518 INFO L439 ceAbstractionStarter]: At program point L875-5(lines 870 878) the Hoare annotation is: false [2019-10-22 08:57:23,518 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,518 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 08:57:23,518 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L946-2(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 596 602) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-22 08:57:23,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L654-1(lines 654 671) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L654-2(lines 654 671) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,520 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-3(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-5(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-6(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-8(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-9(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-11(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-12(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-14(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,521 INFO L443 ceAbstractionStarter]: For program point L756-15(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,522 INFO L443 ceAbstractionStarter]: For program point L756-17(lines 756 760) no Hoare annotation was computed. [2019-10-22 08:57:23,522 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-10-22 08:57:23,522 INFO L439 ceAbstractionStarter]: At program point L889-1(lines 1 949) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L889-2(lines 889 902) no Hoare annotation was computed. [2019-10-22 08:57:23,523 INFO L439 ceAbstractionStarter]: At program point L889-3(lines 1 949) the Hoare annotation is: false [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L889-4(lines 889 902) no Hoare annotation was computed. [2019-10-22 08:57:23,523 INFO L439 ceAbstractionStarter]: At program point L889-5(lines 1 949) the Hoare annotation is: false [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 658 666) no Hoare annotation was computed. [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L658-2(lines 658 666) no Hoare annotation was computed. [2019-10-22 08:57:23,523 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 596 602) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L628-1(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L628-2(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,524 INFO L443 ceAbstractionStarter]: For program point L628-3(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L628-4(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L628-5(lines 628 645) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L893-2(lines 893 899) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L893-4(lines 893 899) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L439 ceAbstractionStarter]: At program point L596(lines 595 614) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:23,525 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-10-22 08:57:23,525 INFO L439 ceAbstractionStarter]: At program point L596-2(lines 595 614) the Hoare annotation is: false [2019-10-22 08:57:23,526 INFO L439 ceAbstractionStarter]: At program point L596-3(lines 595 614) the Hoare annotation is: false [2019-10-22 08:57:23,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:23 BoogieIcfgContainer [2019-10-22 08:57:23,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:23,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:23,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:23,541 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:23,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:22" (3/4) ... [2019-10-22 08:57:23,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:23,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:23,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:57:23,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:23,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:57:23,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:23,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:23,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 08:57:23,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 08:57:23,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,603 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,605 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:23,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51b2c82d-1044-40bb-917b-5b7a13e2478d/bin/uautomizer/witness.graphml [2019-10-22 08:57:23,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:23,682 INFO L168 Benchmark]: Toolchain (without parser) took 3141.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 939.4 MB in the beginning and 921.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 189.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,682 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-10-22 08:57:23,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.97 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. [2019-10-22 08:57:23,683 INFO L168 Benchmark]: Boogie Preprocessor took 48.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,684 INFO L168 Benchmark]: RCFGBuilder took 845.52 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: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,684 INFO L168 Benchmark]: TraceAbstraction took 1524.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 141.9 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,685 INFO L168 Benchmark]: Witness Printer took 139.02 ms. Allocated memory is still 1.2 GB. Free memory was 934.7 MB in the beginning and 921.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:23,686 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 509.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.97 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 48.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 845.52 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: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1524.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 141.9 MB). Peak memory consumption was 141.9 MB. Max. memory is 11.5 GB. * Witness Printer took 139.02 ms. Allocated memory is still 1.2 GB. Free memory was 934.7 MB in the beginning and 921.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 946]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 946]: 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: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 430 SDtfs, 615 SDslu, 322 SDs, 0 SdLazy, 76 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 79 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 106 NumberOfFragments, 195 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1965 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4325 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...