./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 .................................................................................................................................................................................................................................................................................................................................................................................. 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 03:00:29,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:29,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:29,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:29,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:29,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:29,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:29,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:29,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:29,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:29,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:29,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:29,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:29,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:29,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:29,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:29,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:29,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:29,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:29,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:29,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:29,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:29,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:29,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:29,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:29,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:29,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:29,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:29,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:29,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:29,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:29,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:29,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:29,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:29,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:29,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:29,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:29,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:29,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:29,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:29,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:29,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:00:29,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:29,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:29,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:29,375 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:00:29,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:00:29,385 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:00:29,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:00:29,385 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:00:29,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:00:29,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:00:29,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:00:29,386 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:00:29,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:00:29,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:00:29,387 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:00:29,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:29,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:29,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:29,389 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:00:29,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:29,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:29,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:29,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:29,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:00:29,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:29,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:29,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:29,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:29,391 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:00:29,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:29,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:29,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:00:29,392 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_d5c962f8-7ce7-4adf-a177-944696621f67/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-11-26 03:00:29,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:29,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:29,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:29,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:29,550 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:29,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-26 03:00:29,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/data/d5cc7bf44/22bbfd81a6954176a9af54c93cebf6bf/FLAG67904b5f3 [2019-11-26 03:00:30,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:30,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-11-26 03:00:30,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/data/d5cc7bf44/22bbfd81a6954176a9af54c93cebf6bf/FLAG67904b5f3 [2019-11-26 03:00:30,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/data/d5cc7bf44/22bbfd81a6954176a9af54c93cebf6bf [2019-11-26 03:00:30,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:30,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:30,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:30,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:30,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:30,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:30" (1/1) ... [2019-11-26 03:00:30,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193113a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:30, skipping insertion in model container [2019-11-26 03:00:30,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:30" (1/1) ... [2019-11-26 03:00:30,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:30,689 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:31,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:31,052 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:31,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:31,167 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:31,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31 WrapperNode [2019-11-26 03:00:31,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:31,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:31,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:31,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:31,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:31,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:31,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:31,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:31,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... [2019-11-26 03:00:31,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:31,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:31,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:31,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:31,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/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 03:00:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:00:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:00:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:32,419 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:32,419 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-26 03:00:32,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:32 BoogieIcfgContainer [2019-11-26 03:00:32,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:32,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:00:32,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:00:32,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:00:32,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:00:30" (1/3) ... [2019-11-26 03:00:32,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67314be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:32, skipping insertion in model container [2019-11-26 03:00:32,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:31" (2/3) ... [2019-11-26 03:00:32,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67314be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:32, skipping insertion in model container [2019-11-26 03:00:32,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:32" (3/3) ... [2019-11-26 03:00:32,435 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-11-26 03:00:32,444 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:00:32,456 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:00:32,467 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:00:32,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:00:32,495 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:00:32,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:00:32,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:00:32,497 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:00:32,497 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:00:32,497 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:00:32,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:00:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 03:00:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:00:32,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:32,515 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:32,516 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:32,520 INFO L82 PathProgramCache]: Analyzing trace with hash -179555977, now seen corresponding path program 1 times [2019-11-26 03:00:32,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:32,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085322801] [2019-11-26 03:00:32,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:32,821 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 03:00:32,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085322801] [2019-11-26 03:00:32,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:32,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:00:32,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744792124] [2019-11-26 03:00:32,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:00:32,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:32,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:00:32,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:00:32,841 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 03:00:32,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:32,926 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2019-11-26 03:00:32,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 03:00:32,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 03:00:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:32,936 INFO L225 Difference]: With dead ends: 61 [2019-11-26 03:00:32,936 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 03:00:32,939 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:00:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 03:00:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-26 03:00:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 03:00:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 03:00:32,969 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 03:00:32,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:32,970 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 03:00:32,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:00:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 03:00:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 03:00:32,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:32,971 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:32,972 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:32,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:32,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1677790235, now seen corresponding path program 1 times [2019-11-26 03:00:32,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:32,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397665409] [2019-11-26 03:00:32,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:33,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397665409] [2019-11-26 03:00:33,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890634866] [2019-11-26 03:00:33,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/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 03:00:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:33,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-26 03:00:33,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:00:33,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:33,529 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:00:33,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 03:00:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 03:00:33,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-26 03:00:33,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2019-11-26 03:00:33,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379961463] [2019-11-26 03:00:33,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:00:33,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:00:33,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-26 03:00:33,562 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-26 03:00:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:33,611 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-26 03:00:33,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:00:33,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 03:00:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:33,612 INFO L225 Difference]: With dead ends: 31 [2019-11-26 03:00:33,612 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:00:33,613 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-26 03:00:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:00:33,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:00:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:00:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:00:33,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 03:00:33,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:33,615 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:00:33,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:00:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:00:33,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:00:33,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 03:00:33,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:00:33,890 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,890 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,890 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L56(lines 56 60) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,891 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L851(lines 851 864) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L851-1(lines 1 867) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L851-2(lines 851 864) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L851-3(lines 1 867) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,891 INFO L440 ceAbstractionStarter]: At program point L851-4(lines 851 864) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,892 INFO L440 ceAbstractionStarter]: At program point L851-5(lines 1 867) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L838-2(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-11-26 03:00:33,892 INFO L444 ceAbstractionStarter]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-11-26 03:00:33,893 INFO L440 ceAbstractionStarter]: At program point L459(lines 408 460) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,893 INFO L440 ceAbstractionStarter]: At program point L410(lines 409 458) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:33,893 INFO L440 ceAbstractionStarter]: At program point L130(lines 130 137) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 03:00:33,893 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-26 03:00:33,893 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-11-26 03:00:33,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:00:33 BoogieIcfgContainer [2019-11-26 03:00:33,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:00:33,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:33,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:33,932 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:33,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:32" (3/4) ... [2019-11-26 03:00:33,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:00:33,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2019-11-26 03:00:33,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-26 03:00:33,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 03:00:33,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:00:33,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:00:33,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:33,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:34,059 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d5c962f8-7ce7-4adf-a177-944696621f67/bin/utaipan/witness.graphml [2019-11-26 03:00:34,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:34,063 INFO L168 Benchmark]: Toolchain (without parser) took 3435.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.1 MB in the beginning and 918.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,064 INFO L168 Benchmark]: CDTParser took 0.22 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 03:00:34,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,065 INFO L168 Benchmark]: Boogie Preprocessor took 42.73 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 03:00:34,066 INFO L168 Benchmark]: RCFGBuilder took 1148.01 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,066 INFO L168 Benchmark]: TraceAbstraction took 1510.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.0 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,066 INFO L168 Benchmark]: Witness Printer took 129.32 ms. Allocated memory is still 1.2 GB. Free memory was 925.0 MB in the beginning and 918.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:34,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 535.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.73 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 1148.01 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1510.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.0 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 11.5 GB. * Witness Printer took 129.32 ms. Allocated memory is still 1.2 GB. Free memory was 925.0 MB in the beginning and 918.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 838]: 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: pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 41 SDslu, 47 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 43 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1911 SizeOfPredicates, 11 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 5/9 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...