./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:07:44,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:07:44,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:07:44,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:07:44,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:07:44,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:07:44,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:07:44,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:07:44,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:07:44,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:07:44,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:07:44,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:07:44,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:07:44,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:07:44,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:07:44,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:07:44,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:07:44,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:07:44,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:07:44,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:07:44,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:07:44,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:07:44,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:07:44,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:07:44,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:07:44,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:07:44,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:07:44,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:07:44,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:07:44,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:07:44,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:07:44,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:07:44,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:07:44,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:07:44,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:07:44,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:07:44,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:07:44,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:07:44,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:07:44,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:07:44,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:07:44,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:07:44,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:07:44,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:07:44,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:07:44,470 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:07:44,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:07:44,470 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:07:44,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:07:44,471 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:07:44,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:07:44,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:07:44,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:07:44,472 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:07:44,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:07:44,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:07:44,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:07:44,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:07:44,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:07:44,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:07:44,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:07:44,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:07:44,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:07:44,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:07:44,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:07:44,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:07:44,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:07:44,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:07:44,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:07:44,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:07:44,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:07:44,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:07:44,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:07:44,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:07:44,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:07:44,477 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:07:44,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:07:44,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:07:44,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:07:44,478 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_22fdad6c-dde8-463b-9608-763195b2a2ea/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-11-26 02:07:44,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:07:44,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:07:44,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:07:44,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:07:44,629 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:07:44,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-26 02:07:44,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/data/bc6065d12/50b07bf176d549299a7dc2573fceed89/FLAGa9acdb940 [2019-11-26 02:07:45,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:07:45,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2019-11-26 02:07:45,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/data/bc6065d12/50b07bf176d549299a7dc2573fceed89/FLAGa9acdb940 [2019-11-26 02:07:45,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/data/bc6065d12/50b07bf176d549299a7dc2573fceed89 [2019-11-26 02:07:45,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:07:45,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:07:45,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:07:45,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:07:45,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:07:45,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b797833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45, skipping insertion in model container [2019-11-26 02:07:45,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:07:45,229 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:07:45,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:07:45,574 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:07:45,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:07:45,677 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:07:45,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45 WrapperNode [2019-11-26 02:07:45,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:07:45,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:07:45,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:07:45,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:07:45,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:07:45,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:07:45,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:07:45,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:07:45,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... [2019-11-26 02:07:45,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:07:45,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:07:45,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:07:45,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:07:45,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/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 02:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:07:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:07:47,108 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:07:47,108 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-26 02:07:47,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:47 BoogieIcfgContainer [2019-11-26 02:07:47,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:07:47,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:07:47,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:07:47,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:07:47,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:07:45" (1/3) ... [2019-11-26 02:07:47,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef40a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:07:47, skipping insertion in model container [2019-11-26 02:07:47,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:45" (2/3) ... [2019-11-26 02:07:47,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef40a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:07:47, skipping insertion in model container [2019-11-26 02:07:47,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:47" (3/3) ... [2019-11-26 02:07:47,116 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-11-26 02:07:47,124 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:07:47,130 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:07:47,140 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:07:47,159 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:07:47,159 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:07:47,159 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:07:47,159 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:07:47,160 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:07:47,160 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:07:47,160 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:07:47,160 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:07:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:07:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:07:47,175 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:07:47,175 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:07:47,176 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:07:47,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:07:47,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1225590205, now seen corresponding path program 1 times [2019-11-26 02:07:47,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:07:47,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354562282] [2019-11-26 02:07:47,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:07:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:47,466 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 02:07:47,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354562282] [2019-11-26 02:07:47,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:07:47,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:07:47,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29362561] [2019-11-26 02:07:47,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:07:47,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:07:47,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:07:47,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:07:47,493 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-26 02:07:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:07:47,507 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-26 02:07:47,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:07:47,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:07:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:07:47,518 INFO L225 Difference]: With dead ends: 44 [2019-11-26 02:07:47,518 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:07:47,522 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:07:47,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:07:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:07:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:07:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-26 02:07:47,551 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-26 02:07:47,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:07:47,552 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-26 02:07:47,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:07:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-26 02:07:47,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:07:47,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:07:47,553 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:07:47,553 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:07:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:07:47,553 INFO L82 PathProgramCache]: Analyzing trace with hash 931791910, now seen corresponding path program 1 times [2019-11-26 02:07:47,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:07:47,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319512985] [2019-11-26 02:07:47,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:07:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:47,766 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 02:07:47,766 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319512985] [2019-11-26 02:07:47,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:07:47,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:07:47,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542670972] [2019-11-26 02:07:47,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:07:47,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:07:47,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:07:47,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:07:47,769 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-26 02:07:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:07:47,853 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2019-11-26 02:07:47,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:07:47,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:07:47,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:07:47,855 INFO L225 Difference]: With dead ends: 53 [2019-11-26 02:07:47,855 INFO L226 Difference]: Without dead ends: 27 [2019-11-26 02:07:47,856 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 02:07:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-26 02:07:47,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2019-11-26 02:07:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:07:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:07:47,861 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:07:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:07:47,862 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:07:47,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:07:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:07:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:07:47,864 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:07:47,865 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:07:47,865 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:07:47,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:07:47,866 INFO L82 PathProgramCache]: Analyzing trace with hash -708121087, now seen corresponding path program 1 times [2019-11-26 02:07:47,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:07:47,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317082655] [2019-11-26 02:07:47,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:07:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:48,044 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 02:07:48,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317082655] [2019-11-26 02:07:48,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013341808] [2019-11-26 02:07:48,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/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 02:07:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:48,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 02:07:48,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:07:48,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:07:48,285 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:07:48,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,301 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:07:48,338 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 02:07:48,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-26 02:07:48,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2019-11-26 02:07:48,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195778054] [2019-11-26 02:07:48,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:07:48,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:07:48,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:07:48,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-26 02:07:48,340 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2019-11-26 02:07:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:07:48,398 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-26 02:07:48,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:07:48,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-26 02:07:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:07:48,399 INFO L225 Difference]: With dead ends: 31 [2019-11-26 02:07:48,400 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:07:48,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:07:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:07:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:07:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:07:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:07:48,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:07:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:07:48,402 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:07:48,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:07:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:07:48,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:07:48,607 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:07:48,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:07:48,676 INFO L440 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,677 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,677 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:07:48,677 INFO L440 ceAbstractionStarter]: At program point L832(lines 832 836) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,677 INFO L440 ceAbstractionStarter]: At program point L899(lines 899 906) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:07:48,677 INFO L447 ceAbstractionStarter]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-11-26 02:07:48,677 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:07:48,677 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,678 INFO L440 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,678 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,678 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,678 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,678 INFO L440 ceAbstractionStarter]: At program point L344(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,678 INFO L440 ceAbstractionStarter]: At program point L344-1(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,678 INFO L440 ceAbstractionStarter]: At program point L344-2(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,678 INFO L440 ceAbstractionStarter]: At program point L344-3(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,679 INFO L440 ceAbstractionStarter]: At program point L344-4(lines 344 357) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,679 INFO L440 ceAbstractionStarter]: At program point L344-5(lines 1 911) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,679 INFO L440 ceAbstractionStarter]: At program point L64(lines 63 108) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:07:48,679 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:07:48,679 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:07:48,679 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:07:48,679 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:07:48,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:07:48 BoogieIcfgContainer [2019-11-26 02:07:48,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:07:48,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:07:48,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:07:48,691 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:07:48,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:47" (3/4) ... [2019-11-26 02:07:48,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:07:48,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-26 02:07:48,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-26 02:07:48,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:07:48,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:07:48,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:07:48,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:07:48,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:07:48,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22fdad6c-dde8-463b-9608-763195b2a2ea/bin/utaipan/witness.graphml [2019-11-26 02:07:48,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:07:48,814 INFO L168 Benchmark]: Toolchain (without parser) took 3630.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:07:48,814 INFO L168 Benchmark]: CDTParser took 0.23 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 02:07:48,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:07:48,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:07:48,815 INFO L168 Benchmark]: Boogie Preprocessor took 67.56 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 02:07:48,815 INFO L168 Benchmark]: RCFGBuilder took 1270.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 125.4 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:07:48,816 INFO L168 Benchmark]: TraceAbstraction took 1580.41 ms. Allocated memory is still 1.2 GB. Free memory was 996.7 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:07:48,816 INFO L168 Benchmark]: Witness Printer took 118.50 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:07:48,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 497.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.56 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 1270.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 125.4 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1580.41 ms. Allocated memory is still 1.2 GB. Free memory was 996.7 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. * Witness Printer took 118.50 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 34 SDslu, 42 SDs, 0 SdLazy, 41 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=2, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 147 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, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1380 SizeOfPredicates, 13 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 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...