./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffb924ee3454938bf87e2a52362fa3f53467287e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:22:41,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:41,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:41,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:41,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:41,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:41,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:41,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:41,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:41,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:41,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:41,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:41,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:41,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:41,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:41,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:41,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:41,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:41,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:41,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:41,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:41,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:41,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:41,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:41,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:41,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:41,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:41,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:41,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:41,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:41,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:41,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:41,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:41,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:41,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:41,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:41,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:41,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:41,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:41,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:41,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:41,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:41,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:41,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:41,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:41,956 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:41,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:41,956 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:41,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:41,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:41,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:41,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:41,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:41,963 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan 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 -> Taipan 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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-10-22 11:22:42,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:42,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:42,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:42,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:42,027 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:42,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-10-22 11:22:42,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/data/d1dd91b37/69cec49f30054177b906a7fa035e5cc5/FLAG2cbb33ef9 [2019-10-22 11:22:42,507 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:42,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-10-22 11:22:42,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/data/d1dd91b37/69cec49f30054177b906a7fa035e5cc5/FLAG2cbb33ef9 [2019-10-22 11:22:42,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/data/d1dd91b37/69cec49f30054177b906a7fa035e5cc5 [2019-10-22 11:22:42,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:42,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:42,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:42,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:42,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:42,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:42" (1/1) ... [2019-10-22 11:22:42,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d409935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:42, skipping insertion in model container [2019-10-22 11:22:42,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:42" (1/1) ... [2019-10-22 11:22:42,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:43,041 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:43,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,406 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:43,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,568 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:43,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43 WrapperNode [2019-10-22 11:22:43,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:43,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:43,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:43,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:43,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:43,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:43,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:43,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:43,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:43,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:43,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:43,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:43,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/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 11:22:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:44,427 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:44,427 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 11:22:44,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44 BoogieIcfgContainer [2019-10-22 11:22:44,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:44,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:44,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:44,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:44,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:42" (1/3) ... [2019-10-22 11:22:44,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d188415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:44, skipping insertion in model container [2019-10-22 11:22:44,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (2/3) ... [2019-10-22 11:22:44,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d188415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:44, skipping insertion in model container [2019-10-22 11:22:44,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44" (3/3) ... [2019-10-22 11:22:44,437 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2019-10-22 11:22:44,447 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:44,454 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:44,461 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:44,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:44,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:44,482 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:44,482 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:44,483 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:44,483 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:44,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:44,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-10-22 11:22:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:44,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,504 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:44,505 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,511 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-10-22 11:22:44,519 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:44,519 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478203341] [2019-10-22 11:22:44,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,520 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,693 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 11:22:44,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478203341] [2019-10-22 11:22:44,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:44,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:44,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492347430] [2019-10-22 11:22:44,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:44,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:44,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:44,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:44,719 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-10-22 11:22:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:44,746 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-10-22 11:22:44,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:44,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:44,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:44,760 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:22:44,761 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:22:44,764 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 11:22:44,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:22:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 11:22:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:22:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 11:22:44,808 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-10-22 11:22:44,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:44,808 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 11:22:44,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-10-22 11:22:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:44,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,809 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 11:22:44,810 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,810 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-10-22 11:22:44,811 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:44,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712338456] [2019-10-22 11:22:44,811 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,811 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,903 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 11:22:44,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712338456] [2019-10-22 11:22:44,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:44,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:44,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092253986] [2019-10-22 11:22:44,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:44,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:44,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:44,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:44,909 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-10-22 11:22:44,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:44,922 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-10-22 11:22:44,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:44,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:44,925 INFO L225 Difference]: With dead ends: 65 [2019-10-22 11:22:44,925 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:22:44,926 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 11:22:44,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:22:44,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:22:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:22:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 11:22:44,932 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-10-22 11:22:44,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:44,933 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 11:22:44,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 11:22:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:44,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,934 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 11:22:44,934 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,935 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-10-22 11:22:44,935 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:44,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283862087] [2019-10-22 11:22:44,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:45,029 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 11:22:45,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283862087] [2019-10-22 11:22:45,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:45,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:45,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956863613] [2019-10-22 11:22:45,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:45,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:45,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:45,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:45,032 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-10-22 11:22:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:45,054 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-10-22 11:22:45,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:45,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:22:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:45,055 INFO L225 Difference]: With dead ends: 56 [2019-10-22 11:22:45,056 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:22:45,056 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 11:22:45,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:22:45,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:22:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:22:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-10-22 11:22:45,060 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-10-22 11:22:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:45,061 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-10-22 11:22:45,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-10-22 11:22:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:22:45,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:45,062 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] [2019-10-22 11:22:45,062 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:45,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:45,062 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-10-22 11:22:45,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:45,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741081854] [2019-10-22 11:22:45,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:45,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:45,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:45,165 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 11:22:45,165 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741081854] [2019-10-22 11:22:45,165 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:45,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:45,166 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551649678] [2019-10-22 11:22:45,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:45,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:45,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:45,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:45,167 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-10-22 11:22:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:45,327 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-10-22 11:22:45,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:45,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:22:45,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:45,333 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:22:45,333 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:22:45,333 INFO L600 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 [2019-10-22 11:22:45,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:22:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-10-22 11:22:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 11:22:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-10-22 11:22:45,347 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-10-22 11:22:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:45,347 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-10-22 11:22:45,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-10-22 11:22:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:45,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:45,349 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 11:22:45,349 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:45,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:45,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2019-10-22 11:22:45,350 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:45,350 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51909346] [2019-10-22 11:22:45,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:45,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:45,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:45,444 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 11:22:45,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51909346] [2019-10-22 11:22:45,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:45,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:45,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13109021] [2019-10-22 11:22:45,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:45,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:45,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:45,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:45,446 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-10-22 11:22:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:45,514 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-10-22 11:22:45,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:45,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:22:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:45,515 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:22:45,515 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:45,516 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 11:22:45,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:45,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:45,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 11:22:45,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:45,517 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:45,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:45,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:45,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:45,755 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:22:45,755 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:22:45,756 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 11:22:45,756 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:45,756 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-10-22 11:22:45,756 INFO L446 ceAbstractionStarter]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-10-22 11:22:45,756 INFO L439 ceAbstractionStarter]: At program point L715(lines 715 721) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,757 INFO L439 ceAbstractionStarter]: At program point L715-1(lines 715 721) the Hoare annotation is: false [2019-10-22 11:22:45,757 INFO L439 ceAbstractionStarter]: At program point L715-2(lines 715 721) the Hoare annotation is: false [2019-10-22 11:22:45,757 INFO L439 ceAbstractionStarter]: At program point L517(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:45,757 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-10-22 11:22:45,757 INFO L439 ceAbstractionStarter]: At program point L650-1(lines 650 656) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,758 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,758 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 11:22:45,758 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,758 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 11:22:45,758 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-10-22 11:22:45,759 INFO L439 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-10-22 11:22:45,759 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-10-22 11:22:45,759 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,759 INFO L439 ceAbstractionStarter]: At program point L801(lines 794 804) the Hoare annotation is: false [2019-10-22 11:22:45,759 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:45,759 INFO L439 ceAbstractionStarter]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2019-10-22 11:22:45,760 INFO L439 ceAbstractionStarter]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2019-10-22 11:22:45,760 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 881) no Hoare annotation was computed. [2019-10-22 11:22:45,760 INFO L439 ceAbstractionStarter]: At program point L868-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,760 INFO L443 ceAbstractionStarter]: For program point L868-2(lines 868 881) no Hoare annotation was computed. [2019-10-22 11:22:45,760 INFO L439 ceAbstractionStarter]: At program point L868-3(lines 1 893) the Hoare annotation is: false [2019-10-22 11:22:45,760 INFO L443 ceAbstractionStarter]: For program point L868-4(lines 868 881) no Hoare annotation was computed. [2019-10-22 11:22:45,761 INFO L439 ceAbstractionStarter]: At program point L868-5(lines 1 893) the Hoare annotation is: false [2019-10-22 11:22:45,761 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 683) no Hoare annotation was computed. [2019-10-22 11:22:45,761 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 11:22:45,761 INFO L439 ceAbstractionStarter]: At program point L688(lines 639 689) the Hoare annotation is: false [2019-10-22 11:22:45,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:45,762 INFO L446 ceAbstractionStarter]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-10-22 11:22:45,762 INFO L439 ceAbstractionStarter]: At program point L591(lines 587 593) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:45,762 INFO L439 ceAbstractionStarter]: At program point L525(lines 520 528) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 11:22:45,762 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 878) no Hoare annotation was computed. [2019-10-22 11:22:45,762 INFO L443 ceAbstractionStarter]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 757) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L443 ceAbstractionStarter]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L443 ceAbstractionStarter]: For program point L740-1(lines 740 757) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L443 ceAbstractionStarter]: For program point L740-2(lines 740 757) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L443 ceAbstractionStarter]: For program point L641(lines 640 687) no Hoare annotation was computed. [2019-10-22 11:22:45,763 INFO L439 ceAbstractionStarter]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-10-22 11:22:45,764 INFO L439 ceAbstractionStarter]: At program point L708(lines 707 726) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,764 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2019-10-22 11:22:45,764 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 646) no Hoare annotation was computed. [2019-10-22 11:22:45,764 INFO L439 ceAbstractionStarter]: At program point L708-2(lines 707 726) the Hoare annotation is: false [2019-10-22 11:22:45,764 INFO L439 ceAbstractionStarter]: At program point L708-3(lines 707 726) the Hoare annotation is: false [2019-10-22 11:22:45,764 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L890-1(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-22 11:22:45,765 INFO L439 ceAbstractionStarter]: At program point L660-1(lines 660 666) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,766 INFO L439 ceAbstractionStarter]: At program point L810(lines 805 813) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,766 INFO L439 ceAbstractionStarter]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-10-22 11:22:45,766 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 752) no Hoare annotation was computed. [2019-10-22 11:22:45,766 INFO L439 ceAbstractionStarter]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-10-22 11:22:45,766 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2019-10-22 11:22:45,766 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-22 11:22:45,767 INFO L443 ceAbstractionStarter]: For program point L744-2(lines 744 752) no Hoare annotation was computed. [2019-10-22 11:22:45,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 11:22:45,767 INFO L439 ceAbstractionStarter]: At program point L678-2(lines 708 714) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:45,767 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-10-22 11:22:45,767 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 708 714) no Hoare annotation was computed. [2019-10-22 11:22:45,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:45 BoogieIcfgContainer [2019-10-22 11:22:45,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:45,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:45,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:45,784 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:45,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44" (3/4) ... [2019-10-22 11:22:45,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:45,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:45,803 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:45,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:22:45,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:45,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:45,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:45,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:22:45,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8678c98d-4666-4155-9513-6d6eb37f1136/bin/utaipan/witness.graphml [2019-10-22 11:22:45,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:45,884 INFO L168 Benchmark]: Toolchain (without parser) took 2924.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.1 MB in the beginning and 940.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,885 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:45,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,886 INFO L168 Benchmark]: Boogie Preprocessor took 46.20 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,886 INFO L168 Benchmark]: RCFGBuilder took 755.92 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,886 INFO L168 Benchmark]: TraceAbstraction took 1353.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.8 MB in the end (delta: 116.9 MB). Peak memory consumption was 116.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,887 INFO L168 Benchmark]: Witness Printer took 99.05 ms. Allocated memory is still 1.2 GB. Free memory was 948.8 MB in the beginning and 940.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 607.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.20 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 755.92 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1353.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 948.8 MB in the end (delta: 116.9 MB). Peak memory consumption was 116.9 MB. Max. memory is 11.5 GB. * Witness Printer took 99.05 ms. Allocated memory is still 1.2 GB. Free memory was 948.8 MB in the beginning and 940.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: 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: 708]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 286 SDtfs, 276 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1328 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...