./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 ..................................................................................................................................................................................................................................................................................................................................................................................... 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 03:02:09,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:02:09,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:02:09,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:02:09,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:02:09,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:02:09,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:02:09,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:02:09,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:02:09,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:02:09,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:02:09,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:02:09,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:02:09,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:02:09,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:02:09,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:02:09,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:02:09,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:02:09,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:02:09,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:02:09,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:02:09,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:02:09,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:02:09,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:02:09,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:02:09,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:02:09,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:02:09,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:02:09,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:02:09,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:02:09,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:02:09,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:02:09,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:02:09,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:02:09,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:02:09,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:02:09,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:02:09,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:02:09,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:02:09,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:02:09,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:02:09,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:02:09,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:02:09,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:02:09,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:02:09,332 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:02:09,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:02:09,332 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:02:09,333 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:02:09,333 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:02:09,333 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:02:09,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:02:09,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:02:09,334 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:02:09,334 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:02:09,334 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:02:09,334 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:02:09,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:02:09,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:02:09,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:02:09,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:02:09,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:02:09,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:02:09,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:02:09,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:02:09,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:02:09,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:02:09,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:02:09,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:02:09,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:02:09,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:02:09,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:02:09,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:02:09,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:02:09,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:02:09,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:02:09,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:02:09,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:02:09,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:02:09,346 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_594d1521-b3a8-49a2-abb1-becb70a6ec15/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2019-11-26 03:02:09,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:02:09,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:02:09,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:02:09,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:02:09,498 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:02:09,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-11-26 03:02:09,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/data/5d8292cc9/060b391e89c349a5a1b454771baca5c1/FLAGb3ad902e1 [2019-11-26 03:02:10,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:02:10,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-11-26 03:02:10,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/data/5d8292cc9/060b391e89c349a5a1b454771baca5c1/FLAGb3ad902e1 [2019-11-26 03:02:10,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/data/5d8292cc9/060b391e89c349a5a1b454771baca5c1 [2019-11-26 03:02:10,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:02:10,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:02:10,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:02:10,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:02:10,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:02:10,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:02:10" (1/1) ... [2019-11-26 03:02:10,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1ef847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:10, skipping insertion in model container [2019-11-26 03:02:10,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:02:10" (1/1) ... [2019-11-26 03:02:10,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:02:10,581 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:02:10,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:02:10,978 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:02:11,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:02:11,095 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:02:11,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11 WrapperNode [2019-11-26 03:02:11,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:02:11,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:02:11,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:02:11,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:02:11,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:02:11,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:02:11,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:02:11,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:02:11,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... [2019-11-26 03:02:11,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:02:11,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:02:11,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:02:11,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:02:11,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/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 03:02:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:02:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:02:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:02:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:02:12,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:02:12,735 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-26 03:02:12,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:02:12 BoogieIcfgContainer [2019-11-26 03:02:12,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:02:12,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:02:12,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:02:12,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:02:12,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:02:10" (1/3) ... [2019-11-26 03:02:12,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b4a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:02:12, skipping insertion in model container [2019-11-26 03:02:12,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:02:11" (2/3) ... [2019-11-26 03:02:12,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b4a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:02:12, skipping insertion in model container [2019-11-26 03:02:12,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:02:12" (3/3) ... [2019-11-26 03:02:12,748 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2019-11-26 03:02:12,757 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:02:12,765 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:02:12,776 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:02:12,804 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:02:12,804 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:02:12,805 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:02:12,805 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:02:12,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:02:12,806 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:02:12,806 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:02:12,806 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:02:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 03:02:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:02:12,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:02:12,825 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:02:12,825 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:02:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:02:12,830 INFO L82 PathProgramCache]: Analyzing trace with hash -502627713, now seen corresponding path program 1 times [2019-11-26 03:02:12,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:02:12,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105877282] [2019-11-26 03:02:12,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:02:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:13,182 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 03:02:13,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105877282] [2019-11-26 03:02:13,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:02:13,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:02:13,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956663745] [2019-11-26 03:02:13,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 03:02:13,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:02:13,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 03:02:13,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 03:02:13,205 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-26 03:02:13,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:02:13,287 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-26 03:02:13,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 03:02:13,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 03:02:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:02:13,303 INFO L225 Difference]: With dead ends: 68 [2019-11-26 03:02:13,303 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 03:02:13,309 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 03:02:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 03:02:13,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 03:02:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 03:02:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-26 03:02:13,355 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-26 03:02:13,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:02:13,356 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-26 03:02:13,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 03:02:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-26 03:02:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 03:02:13,357 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:02:13,357 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 03:02:13,357 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:02:13,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:02:13,358 INFO L82 PathProgramCache]: Analyzing trace with hash 220958005, now seen corresponding path program 1 times [2019-11-26 03:02:13,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:02:13,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575797602] [2019-11-26 03:02:13,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:02:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:13,631 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 03:02:13,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575797602] [2019-11-26 03:02:13,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639347422] [2019-11-26 03:02:13,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/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 03:02:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:02:13,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 03:02:13,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:02:13,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,858 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 03:02:13,858 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:02:13,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:02:13,915 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 03:02:13,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 03:02:13,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 5 [2019-11-26 03:02:13,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551681021] [2019-11-26 03:02:13,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:02:13,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:02:13,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:02:13,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-26 03:02:13,921 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 4 states. [2019-11-26 03:02:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:02:13,992 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-26 03:02:13,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:02:13,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-26 03:02:13,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:02:13,994 INFO L225 Difference]: With dead ends: 60 [2019-11-26 03:02:13,994 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:02:13,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-26 03:02:13,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:02:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:02:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:02:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:02:13,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 03:02:13,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:02:13,997 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:02:13,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:02:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:02:13,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:02:14,198 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:02:14,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:02:14,287 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,287 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:02:14,287 INFO L440 ceAbstractionStarter]: At program point L301(lines 301 308) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,287 INFO L447 ceAbstractionStarter]: At program point L301-1(lines 301 308) the Hoare annotation is: true [2019-11-26 03:02:14,288 INFO L444 ceAbstractionStarter]: For program point L685(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,288 INFO L444 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,288 INFO L444 ceAbstractionStarter]: For program point L685-2(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,288 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:02:14,288 INFO L440 ceAbstractionStarter]: At program point L752(lines 701 753) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,288 INFO L440 ceAbstractionStarter]: At program point L703(lines 702 751) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,288 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,288 INFO L440 ceAbstractionStarter]: At program point L60(lines 60 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L60-1(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L60-2(lines 60 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L60-3(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L60-4(lines 60 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L60-5(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L440 ceAbstractionStarter]: At program point L227-2(lines 227 241) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,289 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-11-26 03:02:14,290 INFO L440 ceAbstractionStarter]: At program point L231(lines 231 235) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-26 03:02:14,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:02:14 BoogieIcfgContainer [2019-11-26 03:02:14,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:02:14,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:02:14,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:02:14,305 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:02:14,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:02:12" (3/4) ... [2019-11-26 03:02:14,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:02:14,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2019-11-26 03:02:14,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-11-26 03:02:14,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 03:02:14,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:02:14,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:02:14,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:02:14,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:02:14,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_594d1521-b3a8-49a2-abb1-becb70a6ec15/bin/utaipan/witness.graphml [2019-11-26 03:02:14,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:02:14,435 INFO L168 Benchmark]: Toolchain (without parser) took 3907.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 944.8 MB in the beginning and 798.6 MB in the end (delta: 146.2 MB). Peak memory consumption was 225.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,435 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:02:14,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.51 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,436 INFO L168 Benchmark]: Boogie Preprocessor took 60.38 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. [2019-11-26 03:02:14,437 INFO L168 Benchmark]: RCFGBuilder took 1507.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.6 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,437 INFO L168 Benchmark]: TraceAbstraction took 1566.27 ms. Allocated memory is still 1.1 GB. Free memory was 921.6 MB in the beginning and 806.0 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,438 INFO L168 Benchmark]: Witness Printer took 128.49 ms. Allocated memory is still 1.1 GB. Free memory was 806.0 MB in the beginning and 798.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:02:14,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.51 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.38 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 1507.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.6 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1566.27 ms. Allocated memory is still 1.1 GB. Free memory was 921.6 MB in the beginning and 806.0 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. * Witness Printer took 128.49 ms. Allocated memory is still 1.1 GB. Free memory was 806.0 MB in the beginning and 798.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: 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: 60]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 34 SDslu, 29 SDs, 0 SdLazy, 27 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 79 HoareAnnotationTreeSize, 13 FomulaSimplifications, 77 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1175 SizeOfPredicates, 29 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...