./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:30:16,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:30:16,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:30:16,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:30:16,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:30:16,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:30:16,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:30:16,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:30:16,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:30:16,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:30:16,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:30:16,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:30:16,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:30:16,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:30:16,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:30:16,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:30:16,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:30:16,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:30:16,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:30:16,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:30:16,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:30:16,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:30:16,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:30:16,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:30:16,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:30:16,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:30:16,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:30:16,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:30:16,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:30:16,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:30:16,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:30:16,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:30:16,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:30:16,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:30:16,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:30:16,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:30:16,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:30:16,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:30:16,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:30:16,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:30:16,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:30:16,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:30:16,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:30:16,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:30:16,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:30:16,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:30:16,988 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:30:16,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:30:16,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:30:16,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:30:16,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:30:16,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:30:16,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:30:16,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:30:16,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:30:16,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:30:16,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:30:16,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:30:16,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:30:16,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:30:16,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:30:16,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:30:16,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:30:16,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:30:16,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:30:16,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2019-12-07 12:30:17,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:30:17,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:30:17,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:30:17,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:30:17,114 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:30:17,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2019-12-07 12:30:17,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/data/822244c84/4837b083c74a4a18aa7c763fc0fd9dbc/FLAGc58588623 [2019-12-07 12:30:17,507 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:30:17,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2019-12-07 12:30:17,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/data/822244c84/4837b083c74a4a18aa7c763fc0fd9dbc/FLAGc58588623 [2019-12-07 12:30:17,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/data/822244c84/4837b083c74a4a18aa7c763fc0fd9dbc [2019-12-07 12:30:17,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:30:17,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:30:17,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:30:17,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:30:17,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:30:17,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17, skipping insertion in model container [2019-12-07 12:30:17,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:30:17,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:30:17,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:30:17,800 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:30:17,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:30:17,875 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:30:17,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17 WrapperNode [2019-12-07 12:30:17,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:30:17,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:30:17,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:30:17,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:30:17,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:30:17,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:30:17,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:30:17,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:30:17,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... [2019-12-07 12:30:17,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:30:17,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:30:17,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:30:17,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:30:17,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:30:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:30:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:30:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:30:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:30:18,437 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:30:18,437 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 12:30:18,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:18 BoogieIcfgContainer [2019-12-07 12:30:18,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:30:18,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:30:18,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:30:18,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:30:18,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:30:17" (1/3) ... [2019-12-07 12:30:18,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620a8c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:30:18, skipping insertion in model container [2019-12-07 12:30:18,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:17" (2/3) ... [2019-12-07 12:30:18,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620a8c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:30:18, skipping insertion in model container [2019-12-07 12:30:18,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:18" (3/3) ... [2019-12-07 12:30:18,444 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2019-12-07 12:30:18,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:30:18,459 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:30:18,470 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:30:18,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:30:18,490 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:30:18,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:30:18,490 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:30:18,490 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:30:18,490 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:30:18,490 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:30:18,490 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:30:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 12:30:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:30:18,510 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:30:18,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:30:18,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:30:18,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:30:18,514 INFO L82 PathProgramCache]: Analyzing trace with hash 936723076, now seen corresponding path program 1 times [2019-12-07 12:30:18,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:30:18,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249839771] [2019-12-07 12:30:18,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:30:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:30:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:30:18,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249839771] [2019-12-07 12:30:18,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:30:18,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:30:18,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997916480] [2019-12-07 12:30:18,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:30:18,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:30:18,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:30:18,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:30:18,709 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 12:30:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:30:18,729 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-12-07 12:30:18,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:30:18,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:30:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:30:18,738 INFO L225 Difference]: With dead ends: 215 [2019-12-07 12:30:18,738 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 12:30:18,741 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:30:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 12:30:18,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 12:30:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 12:30:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-12-07 12:30:18,770 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-12-07 12:30:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:30:18,771 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-12-07 12:30:18,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:30:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-12-07 12:30:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:30:18,772 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:30:18,772 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:30:18,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:30:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:30:18,772 INFO L82 PathProgramCache]: Analyzing trace with hash 717887107, now seen corresponding path program 1 times [2019-12-07 12:30:18,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:30:18,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610654437] [2019-12-07 12:30:18,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:30:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:30:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:30:18,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610654437] [2019-12-07 12:30:18,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:30:18,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:30:18,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863276582] [2019-12-07 12:30:18,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:30:18,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:30:18,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:30:18,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:30:18,833 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2019-12-07 12:30:18,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:30:18,844 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-12-07 12:30:18,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:30:18,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 12:30:18,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:30:18,846 INFO L225 Difference]: With dead ends: 107 [2019-12-07 12:30:18,846 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 12:30:18,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:30:18,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 12:30:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 12:30:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 12:30:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 12:30:18,852 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-12-07 12:30:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:30:18,852 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 12:30:18,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:30:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 12:30:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:30:18,853 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:30:18,853 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:30:18,853 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:30:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:30:18,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2019-12-07 12:30:18,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:30:18,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504200839] [2019-12-07 12:30:18,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:30:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:30:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:30:18,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504200839] [2019-12-07 12:30:18,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:30:18,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:30:18,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157046025] [2019-12-07 12:30:18,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:30:18,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:30:18,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:30:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:30:18,899 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 12:30:18,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:30:18,926 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2019-12-07 12:30:18,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:30:18,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:30:18,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:30:18,927 INFO L225 Difference]: With dead ends: 127 [2019-12-07 12:30:18,928 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 12:30:18,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:30:18,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 12:30:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-12-07 12:30:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 12:30:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2019-12-07 12:30:18,936 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2019-12-07 12:30:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:30:18,936 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2019-12-07 12:30:18,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:30:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2019-12-07 12:30:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:30:18,937 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:30:18,937 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:30:18,937 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:30:18,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:30:18,937 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2019-12-07 12:30:18,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:30:18,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472654184] [2019-12-07 12:30:18,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:30:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:30:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:30:18,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472654184] [2019-12-07 12:30:18,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:30:18,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:30:18,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446301861] [2019-12-07 12:30:18,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:30:18,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:30:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:30:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:30:18,993 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2019-12-07 12:30:19,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:30:19,073 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2019-12-07 12:30:19,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:30:19,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 12:30:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:30:19,076 INFO L225 Difference]: With dead ends: 409 [2019-12-07 12:30:19,076 INFO L226 Difference]: Without dead ends: 333 [2019-12-07 12:30:19,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:30:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-12-07 12:30:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2019-12-07 12:30:19,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-12-07 12:30:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2019-12-07 12:30:19,091 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2019-12-07 12:30:19,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:30:19,091 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2019-12-07 12:30:19,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:30:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2019-12-07 12:30:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 12:30:19,093 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:30:19,093 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:30:19,093 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:30:19,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:30:19,093 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2019-12-07 12:30:19,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:30:19,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373863470] [2019-12-07 12:30:19,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:30:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:30:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:30:19,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373863470] [2019-12-07 12:30:19,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:30:19,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:30:19,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89569347] [2019-12-07 12:30:19,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:30:19,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:30:19,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:30:19,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:30:19,136 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2019-12-07 12:30:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:30:19,187 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2019-12-07 12:30:19,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:30:19,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 12:30:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:30:19,188 INFO L225 Difference]: With dead ends: 359 [2019-12-07 12:30:19,188 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:30:19,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:30:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:30:19,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:30:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:30:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:30:19,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-07 12:30:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:30:19,190 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:30:19,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:30:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:30:19,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:30:19,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:30:19,352 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,352 INFO L242 CegarLoopResult]: At program point L531(lines 526 534) the Hoare annotation is: false [2019-12-07 12:30:19,352 INFO L242 CegarLoopResult]: At program point L531-1(lines 526 534) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,352 INFO L242 CegarLoopResult]: At program point L531-2(lines 526 534) the Hoare annotation is: false [2019-12-07 12:30:19,353 INFO L242 CegarLoopResult]: At program point L531-3(lines 526 534) the Hoare annotation is: false [2019-12-07 12:30:19,353 INFO L242 CegarLoopResult]: At program point L531-4(lines 526 534) the Hoare annotation is: false [2019-12-07 12:30:19,353 INFO L246 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2019-12-07 12:30:19,353 INFO L242 CegarLoopResult]: At program point L531-5(lines 526 534) the Hoare annotation is: false [2019-12-07 12:30:19,353 INFO L246 CegarLoopResult]: For program point L366-1(lines 140 146) no Hoare annotation was computed. [2019-12-07 12:30:19,353 INFO L246 CegarLoopResult]: For program point L598(lines 598 608) no Hoare annotation was computed. [2019-12-07 12:30:19,353 INFO L246 CegarLoopResult]: For program point L598-2(lines 598 608) no Hoare annotation was computed. [2019-12-07 12:30:19,353 INFO L246 CegarLoopResult]: For program point L598-4(lines 598 608) no Hoare annotation was computed. [2019-12-07 12:30:19,354 INFO L242 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,354 INFO L242 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2019-12-07 12:30:19,354 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-12-07 12:30:19,354 INFO L242 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2019-12-07 12:30:19,354 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-12-07 12:30:19,354 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-12-07 12:30:19,354 INFO L246 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-12-07 12:30:19,354 INFO L242 CegarLoopResult]: At program point L103-1(lines 140 146) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L599-2(lines 599 605) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L599-4(lines 599 605) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L172-3(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,355 INFO L246 CegarLoopResult]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,356 INFO L246 CegarLoopResult]: For program point L172-5(lines 172 189) no Hoare annotation was computed. [2019-12-07 12:30:19,356 INFO L242 CegarLoopResult]: At program point L140(lines 139 158) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,356 INFO L246 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-12-07 12:30:19,356 INFO L242 CegarLoopResult]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2019-12-07 12:30:19,356 INFO L242 CegarLoopResult]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2019-12-07 12:30:19,356 INFO L246 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-12-07 12:30:19,356 INFO L249 CegarLoopResult]: At program point L438-1(lines 438 445) the Hoare annotation is: true [2019-12-07 12:30:19,357 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 12:30:19,357 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,357 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,357 INFO L242 CegarLoopResult]: At program point L572(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,357 INFO L242 CegarLoopResult]: At program point L572-1(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,357 INFO L246 CegarLoopResult]: For program point L506(lines 506 510) no Hoare annotation was computed. [2019-12-07 12:30:19,357 INFO L242 CegarLoopResult]: At program point L572-2(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,358 INFO L242 CegarLoopResult]: At program point L572-3(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,358 INFO L242 CegarLoopResult]: At program point L572-4(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,358 INFO L242 CegarLoopResult]: At program point L572-5(lines 567 575) the Hoare annotation is: false [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L176-3(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L176-4(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,358 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,359 INFO L246 CegarLoopResult]: For program point L176-5(lines 176 184) no Hoare annotation was computed. [2019-12-07 12:30:19,359 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L474(lines 1 980) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L410(lines 406 412) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2019-12-07 12:30:19,359 INFO L242 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: false [2019-12-07 12:30:19,360 INFO L249 CegarLoopResult]: At program point L447(lines 428 450) the Hoare annotation is: true [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L242 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,360 INFO L242 CegarLoopResult]: At program point L482(lines 477 485) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,360 INFO L246 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L242 CegarLoopResult]: At program point L583(lines 578 585) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-12-07 12:30:19,361 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L242 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2019-12-07 12:30:19,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L494-3(lines 494 498) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L494-6(lines 494 498) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L242 CegarLoopResult]: At program point L362-2(lines 362 376) the Hoare annotation is: false [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-12-07 12:30:19,363 INFO L242 CegarLoopResult]: At program point L594-1(lines 1 980) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,363 INFO L246 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L242 CegarLoopResult]: At program point L594-3(lines 1 980) the Hoare annotation is: false [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L594-4(lines 594 611) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L242 CegarLoopResult]: At program point L594-5(lines 1 980) the Hoare annotation is: false [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L246 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-12-07 12:30:19,364 INFO L242 CegarLoopResult]: At program point L331-1(lines 331 337) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 12:30:19,365 INFO L246 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2019-12-07 12:30:19,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:30:19 BoogieIcfgContainer [2019-12-07 12:30:19,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:30:19,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:30:19,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:30:19,380 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:30:19,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:18" (3/4) ... [2019-12-07 12:30:19,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:30:19,395 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:30:19,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:30:19,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:30:19,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:30:19,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:30:19,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:30:19,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:30:19,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 12:30:19,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7339296a-90b8-41a9-98e4-9cae5e4cdfd5/bin/uautomizer/witness.graphml [2019-12-07 12:30:19,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:30:19,468 INFO L168 Benchmark]: Toolchain (without parser) took 1940.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.6 MB in the beginning and 863.4 MB in the end (delta: 81.2 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,469 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:30:19,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,469 INFO L168 Benchmark]: Boogie Preprocessor took 30.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:30:19,470 INFO L168 Benchmark]: RCFGBuilder took 486.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,470 INFO L168 Benchmark]: TraceAbstraction took 940.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 874.2 MB in the end (delta: 135.0 MB). Peak memory consumption was 135.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,470 INFO L168 Benchmark]: Witness Printer took 87.31 ms. Allocated memory is still 1.1 GB. Free memory was 874.2 MB in the beginning and 863.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:30:19,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 486.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 940.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 874.2 MB in the end (delta: 135.0 MB). Peak memory consumption was 135.0 MB. Max. memory is 11.5 GB. * Witness Printer took 87.31 ms. Allocated memory is still 1.1 GB. Free memory was 874.2 MB in the beginning and 863.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 451 SDtfs, 425 SDslu, 453 SDs, 0 SdLazy, 70 SolverSat, 13 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred 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, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4905 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...