./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:01:05,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:05,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:05,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:05,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:05,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:05,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:05,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:05,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:05,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:05,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:05,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:05,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:05,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:05,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:05,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:05,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:05,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:05,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:06,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:06,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:06,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:06,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:06,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:06,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:06,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:06,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:06,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:06,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:06,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:06,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:06,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:06,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:06,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:06,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:06,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:06,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:06,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:06,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:06,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:06,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:06,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:01:06,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:06,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:06,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:06,064 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:01:06,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:01:06,065 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:01:06,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:01:06,065 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:01:06,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:01:06,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:01:06,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:01:06,066 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:01:06,066 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:01:06,066 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:01:06,067 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:01:06,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:06,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:06,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:06,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:06,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:06,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:06,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:06,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:06,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:06,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:06,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:06,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:06,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:06,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:01:06,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:01:06,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:06,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:06,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:06,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:01:06,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:06,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:06,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:01:06,073 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/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-11-26 03:01:06,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:06,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:06,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:06,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:06,249 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:06,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-26 03:01:06,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/data/0c1b55c0d/0146934051ef4992bc7ccca432865c9a/FLAG99da495e7 [2019-11-26 03:01:06,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:06,764 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-26 03:01:06,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/data/0c1b55c0d/0146934051ef4992bc7ccca432865c9a/FLAG99da495e7 [2019-11-26 03:01:06,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/data/0c1b55c0d/0146934051ef4992bc7ccca432865c9a [2019-11-26 03:01:06,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:06,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:06,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:06,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:06,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:06,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:06" (1/1) ... [2019-11-26 03:01:06,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc90eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:06, skipping insertion in model container [2019-11-26 03:01:06,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:06" (1/1) ... [2019-11-26 03:01:06,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:06,860 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:07,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:07,272 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:07,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:07,364 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07 WrapperNode [2019-11-26 03:01:07,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:07,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:07,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:07,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:07,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:07,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:07,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:07,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:07,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... [2019-11-26 03:01:07,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:07,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:07,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:07,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:07,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/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 [2019-11-26 03:01:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:01:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:01:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:08,884 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:08,884 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-26 03:01:08,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:08 BoogieIcfgContainer [2019-11-26 03:01:08,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:08,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:01:08,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:01:08,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:01:08,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:01:06" (1/3) ... [2019-11-26 03:01:08,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226d2cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:08, skipping insertion in model container [2019-11-26 03:01:08,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:07" (2/3) ... [2019-11-26 03:01:08,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226d2cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:01:08, skipping insertion in model container [2019-11-26 03:01:08,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:08" (3/3) ... [2019-11-26 03:01:08,892 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-11-26 03:01:08,901 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:01:08,907 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:01:08,916 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:01:08,937 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:01:08,937 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:01:08,937 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:01:08,937 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:01:08,937 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:01:08,937 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:01:08,938 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:01:08,938 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:01:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 03:01:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:01:08,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:08,957 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:01:08,958 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:08,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:08,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1224849259, now seen corresponding path program 1 times [2019-11-26 03:01:08,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:08,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689343585] [2019-11-26 03:01:08,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:09,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689343585] [2019-11-26 03:01:09,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:01:09,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:01:09,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897532514] [2019-11-26 03:01:09,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 03:01:09,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:09,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 03:01:09,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 03:01:09,267 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-26 03:01:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:09,363 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-26 03:01:09,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 03:01:09,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 03:01:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:09,380 INFO L225 Difference]: With dead ends: 68 [2019-11-26 03:01:09,380 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 03:01:09,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 03:01:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 03:01:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 03:01:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 03:01:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-26 03:01:09,436 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-26 03:01:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:09,436 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-26 03:01:09,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 03:01:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-26 03:01:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:01:09,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:01:09,439 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 03:01:09,439 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:01:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:09,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1830788642, now seen corresponding path program 1 times [2019-11-26 03:01:09,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:01:09,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963415640] [2019-11-26 03:01:09,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:01:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:09,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963415640] [2019-11-26 03:01:09,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751312513] [2019-11-26 03:01:09,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:01:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:09,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 03:01:09,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:01:09,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:01:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 03:01:09,867 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:01:09,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:01:09,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:01:09,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:01:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 03:01:09,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 03:01:09,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [6] total 7 [2019-11-26 03:01:09,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393946662] [2019-11-26 03:01:09,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 03:01:09,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:01:09,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 03:01:09,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:01:09,897 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 5 states. [2019-11-26 03:01:09,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:01:09,960 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-26 03:01:09,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:01:09,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-26 03:01:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:01:09,961 INFO L225 Difference]: With dead ends: 60 [2019-11-26 03:01:09,961 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:01:09,962 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-26 03:01:09,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:01:09,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:01:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:01:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:01:09,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 03:01:09,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:01:09,964 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:01:09,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 03:01:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:01:09,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:01:10,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:01:10,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:01:10,297 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,297 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,297 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:01:10,298 INFO L440 ceAbstractionStarter]: At program point L237(lines 190 238) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,298 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,298 INFO L444 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,298 INFO L444 ceAbstractionStarter]: For program point L518-2(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,298 INFO L440 ceAbstractionStarter]: At program point L56(lines 56 60) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,298 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:01:10,299 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,299 INFO L440 ceAbstractionStarter]: At program point L192(lines 191 236) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,299 INFO L440 ceAbstractionStarter]: At program point L540(lines 540 557) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,299 INFO L440 ceAbstractionStarter]: At program point L540-1(lines 1 926) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,299 INFO L440 ceAbstractionStarter]: At program point L540-2(lines 540 557) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,300 INFO L440 ceAbstractionStarter]: At program point L540-3(lines 1 926) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,300 INFO L440 ceAbstractionStarter]: At program point L540-4(lines 540 557) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,300 INFO L440 ceAbstractionStarter]: At program point L540-5(lines 1 926) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,300 INFO L444 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-11-26 03:01:10,300 INFO L444 ceAbstractionStarter]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2019-11-26 03:01:10,300 INFO L444 ceAbstractionStarter]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2019-11-26 03:01:10,301 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-26 03:01:10,301 INFO L440 ceAbstractionStarter]: At program point L132(lines 132 139) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:01:10,301 INFO L447 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-11-26 03:01:10,301 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-11-26 03:01:10,301 INFO L444 ceAbstractionStarter]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2019-11-26 03:01:10,301 INFO L444 ceAbstractionStarter]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2019-11-26 03:01:10,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:01:10 BoogieIcfgContainer [2019-11-26 03:01:10,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:01:10,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:10,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:10,315 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:10,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:08" (3/4) ... [2019-11-26 03:01:10,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:01:10,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-26 03:01:10,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2019-11-26 03:01:10,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 03:01:10,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:01:10,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:01:10,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:10,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:10,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c40a210-163c-4038-9391-c3446f00a99c/bin/utaipan/witness.graphml [2019-11-26 03:01:10,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:10,418 INFO L168 Benchmark]: Toolchain (without parser) took 3628.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 948.7 MB in the beginning and 870.8 MB in the end (delta: 78.0 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,419 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:10,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,419 INFO L168 Benchmark]: Boogie Preprocessor took 35.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:10,420 INFO L168 Benchmark]: RCFGBuilder took 1395.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,420 INFO L168 Benchmark]: TraceAbstraction took 1428.64 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 884.3 MB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,420 INFO L168 Benchmark]: Witness Printer took 101.88 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 870.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:10,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1395.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 122.3 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1428.64 ms. Allocated memory is still 1.2 GB. Free memory was 991.9 MB in the beginning and 884.3 MB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. * Witness Printer took 101.88 ms. Allocated memory is still 1.2 GB. Free memory was 884.3 MB in the beginning and 870.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 518]: 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: 1]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 <= systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 46 SDtfs, 47 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 112 HoareAnnotationTreeSize, 13 FomulaSimplifications, 98 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1415 SizeOfPredicates, 13 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 10/15 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...