./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/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 87504a1abfe2d10f353d562b38ba2c6a9363e65c .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:28:38,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:28:38,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:28:38,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:28:38,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:28:38,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:28:38,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:28:38,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:28:38,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:28:38,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:28:38,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:28:38,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:28:38,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:28:38,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:28:38,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:28:38,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:28:38,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:28:38,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:28:38,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:28:38,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:28:38,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:28:38,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:28:38,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:28:38,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:28:38,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:28:38,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:28:38,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:28:38,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:28:38,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:28:38,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:28:38,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:28:38,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:28:38,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:28:38,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:28:38,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:28:38,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:28:38,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:28:38,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:28:38,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:28:38,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:28:38,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:28:38,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:28:38,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:28:38,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:28:38,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:28:38,407 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:28:38,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:28:38,408 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:28:38,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:28:38,408 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:28:38,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:28:38,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:28:38,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:28:38,409 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:28:38,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:28:38,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:28:38,410 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:28:38,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:28:38,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:28:38,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:28:38,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:28:38,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:28:38,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:28:38,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:28:38,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:28:38,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:28:38,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:28:38,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:28:38,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:28:38,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:28:38,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:28:38,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:28:38,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:28:38,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:28:38,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:28:38,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:28:38,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:28:38,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:28:38,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:28:38,415 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_224b8df8-1792-4c92-afb6-53f15927c558/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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2019-11-26 02:28:38,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:28:38,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:28:38,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:28:38,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:28:38,574 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:28:38,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-11-26 02:28:38,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/data/b26f93d37/f7445a0247bd423fbb94093bcc4f4a88/FLAG9a0544414 [2019-11-26 02:28:39,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:28:39,069 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-11-26 02:28:39,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/data/b26f93d37/f7445a0247bd423fbb94093bcc4f4a88/FLAG9a0544414 [2019-11-26 02:28:39,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/data/b26f93d37/f7445a0247bd423fbb94093bcc4f4a88 [2019-11-26 02:28:39,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:28:39,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:28:39,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:28:39,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:28:39,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:28:39,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f7d17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39, skipping insertion in model container [2019-11-26 02:28:39,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:28:39,151 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:28:39,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:28:39,524 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:28:39,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:28:39,630 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:28:39,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39 WrapperNode [2019-11-26 02:28:39,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:28:39,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:28:39,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:28:39,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:28:39,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:28:39,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:28:39,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:28:39,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:28:39,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... [2019-11-26 02:28:39,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:28:39,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:28:39,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:28:39,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:28:39,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/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 02:28:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:28:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:28:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:28:41,768 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:28:41,768 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-26 02:28:41,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:28:41 BoogieIcfgContainer [2019-11-26 02:28:41,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:28:41,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:28:41,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:28:41,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:28:41,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:28:39" (1/3) ... [2019-11-26 02:28:41,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1501a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:28:41, skipping insertion in model container [2019-11-26 02:28:41,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:39" (2/3) ... [2019-11-26 02:28:41,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1501a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:28:41, skipping insertion in model container [2019-11-26 02:28:41,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:28:41" (3/3) ... [2019-11-26 02:28:41,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-11-26 02:28:41,785 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:28:41,804 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:28:41,820 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:28:41,840 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:28:41,840 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:28:41,841 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:28:41,841 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:28:41,841 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:28:41,841 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:28:41,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:28:41,841 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:28:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:28:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:28:41,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:28:41,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:28:41,861 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:28:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:28:41,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1501050336, now seen corresponding path program 1 times [2019-11-26 02:28:41,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:28:41,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663847030] [2019-11-26 02:28:41,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:28:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:28:42,069 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 02:28:42,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663847030] [2019-11-26 02:28:42,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:28:42,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:28:42,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143401599] [2019-11-26 02:28:42,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:28:42,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:28:42,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:28:42,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:28:42,091 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-26 02:28:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:28:42,109 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-26 02:28:42,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:28:42,110 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:28:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:28:42,119 INFO L225 Difference]: With dead ends: 44 [2019-11-26 02:28:42,119 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:28:42,122 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 02:28:42,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:28:42,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:28:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:28:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-26 02:28:42,155 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-26 02:28:42,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:28:42,156 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-26 02:28:42,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:28:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-26 02:28:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:28:42,157 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:28:42,157 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:28:42,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:28:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:28:42,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1060105164, now seen corresponding path program 1 times [2019-11-26 02:28:42,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:28:42,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822484104] [2019-11-26 02:28:42,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:28:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:28:42,399 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 02:28:42,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822484104] [2019-11-26 02:28:42,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:28:42,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:28:42,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784417063] [2019-11-26 02:28:42,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:28:42,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:28:42,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:28:42,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:28:42,403 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-26 02:28:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:28:42,491 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2019-11-26 02:28:42,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:28:42,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:28:42,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:28:42,492 INFO L225 Difference]: With dead ends: 57 [2019-11-26 02:28:42,492 INFO L226 Difference]: Without dead ends: 31 [2019-11-26 02:28:42,493 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 02:28:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-26 02:28:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-26 02:28:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:28:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:28:42,499 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:28:42,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:28:42,499 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:28:42,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:28:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:28:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:28:42,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:28:42,500 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:28:42,500 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:28:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:28:42,500 INFO L82 PathProgramCache]: Analyzing trace with hash 995351203, now seen corresponding path program 1 times [2019-11-26 02:28:42,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:28:42,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694438372] [2019-11-26 02:28:42,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:28:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:28:42,708 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 02:28:42,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694438372] [2019-11-26 02:28:42,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755433071] [2019-11-26 02:28:42,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/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 02:28:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:28:42,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-26 02:28:42,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:28:42,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:42,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,090 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 02:28:43,090 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:28:43,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:28:43,271 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 02:28:43,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-26 02:28:43,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 6] total 11 [2019-11-26 02:28:43,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389817380] [2019-11-26 02:28:43,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:28:43,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:28:43,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:28:43,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-26 02:28:43,273 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2019-11-26 02:28:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:28:43,354 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-26 02:28:43,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:28:43,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-26 02:28:43,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:28:43,355 INFO L225 Difference]: With dead ends: 31 [2019-11-26 02:28:43,355 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:28:43,356 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:28:43,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:28:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:28:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:28:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:28:43,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:28:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:28:43,357 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:28:43,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:28:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:28:43,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:28:43,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:28:43,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:28:43,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,628 INFO L444 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,629 INFO L440 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:28:43,630 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L858(lines 858 862) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L825(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L825-1(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L825-2(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,630 INFO L440 ceAbstractionStarter]: At program point L825-3(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,631 INFO L440 ceAbstractionStarter]: At program point L825-4(lines 825 838) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,631 INFO L440 ceAbstractionStarter]: At program point L825-5(lines 1 937) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,631 INFO L440 ceAbstractionStarter]: At program point L925(lines 925 932) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:28:43,631 INFO L447 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-11-26 02:28:43,631 INFO L440 ceAbstractionStarter]: At program point L563(lines 562 609) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 02:28:43,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:28:43 BoogieIcfgContainer [2019-11-26 02:28:43,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:28:43,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:28:43,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:28:43,657 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:28:43,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:28:41" (3/4) ... [2019-11-26 02:28:43,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:28:43,689 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2019-11-26 02:28:43,691 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-26 02:28:43,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:28:43,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:28:43,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:28:43,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:28:43,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:28:43,798 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_224b8df8-1792-4c92-afb6-53f15927c558/bin/utaipan/witness.graphml [2019-11-26 02:28:43,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:28:43,801 INFO L168 Benchmark]: Toolchain (without parser) took 4706.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.1 MB in the beginning and 941.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 146.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:43,801 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:28:43,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:43,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:43,802 INFO L168 Benchmark]: Boogie Preprocessor took 69.95 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 02:28:43,803 INFO L168 Benchmark]: RCFGBuilder took 2003.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.5 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:43,803 INFO L168 Benchmark]: TraceAbstraction took 1884.49 ms. Allocated memory is still 1.2 GB. Free memory was 903.5 MB in the beginning and 954.0 MB in the end (delta: -50.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:28:43,803 INFO L168 Benchmark]: Witness Printer took 142.30 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 941.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:43,806 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.95 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 2003.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.5 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1884.49 ms. Allocated memory is still 1.2 GB. Free memory was 903.5 MB in the beginning and 954.0 MB in the end (delta: -50.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 142.30 ms. Allocated memory is still 1.2 GB. Free memory was 954.0 MB in the beginning and 941.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 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: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 == waterLevel && pumpRunning == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 40 SDslu, 42 SDs, 0 SdLazy, 38 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 41 NumberOfFragments, 39 HoareAnnotationTreeSize, 13 FomulaSimplifications, 154 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 2079 SizeOfPredicates, 72 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 3/9 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...