./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.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_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ............................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:10:51,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:10:51,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:10:51,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:10:51,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:10:51,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:10:51,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:10:51,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:10:51,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:10:51,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:10:51,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:10:51,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:10:51,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:10:51,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:10:51,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:10:51,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:10:51,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:10:51,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:10:51,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:10:51,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:10:51,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:10:51,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:10:51,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:10:51,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:10:51,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:10:51,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:10:51,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:10:51,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:10:51,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:10:51,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:10:51,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:10:51,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:10:51,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:10:51,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:10:51,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:10:51,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:10:51,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:10:51,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:10:51,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:10:51,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:10:51,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:10:51,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:10:51,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:10:51,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:10:51,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:10:51,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:10:51,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:10:51,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:10:51,720 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:10:51,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:10:51,720 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:10:51,720 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:10:51,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:10:51,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:10:51,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:10:51,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:10:51,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:10:51,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:10:51,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:10:51,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:10:51,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:10:51,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:10:51,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:10:51,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:10:51,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:10:51,724 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:10:51,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:10:51,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:10:51,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:10:51,725 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_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2019-11-26 02:10:51,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:10:51,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:10:51,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:10:51,904 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:10:51,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:10:51,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-26 02:10:51,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/data/b7af69bbe/54aaec2199264444b281e4daebc3f25c/FLAG562ee6a68 [2019-11-26 02:10:52,401 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:10:52,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-11-26 02:10:52,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/data/b7af69bbe/54aaec2199264444b281e4daebc3f25c/FLAG562ee6a68 [2019-11-26 02:10:52,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/data/b7af69bbe/54aaec2199264444b281e4daebc3f25c [2019-11-26 02:10:52,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:10:52,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:10:52,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:52,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:10:52,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:10:52,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:52" (1/1) ... [2019-11-26 02:10:52,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268d1770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:52, skipping insertion in model container [2019-11-26 02:10:52,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:52" (1/1) ... [2019-11-26 02:10:52,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:10:52,482 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:10:52,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:52,877 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:10:52,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:53,020 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:10:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53 WrapperNode [2019-11-26 02:10:53,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:53,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:53,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:10:53,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:10:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:53,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:10:53,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:10:53,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:10:53,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... [2019-11-26 02:10:53,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:10:53,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:10:53,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:10:53,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:10:53,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/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 02:10:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:10:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:10:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:10:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:10:55,736 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:10:55,736 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-11-26 02:10:55,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:55 BoogieIcfgContainer [2019-11-26 02:10:55,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:10:55,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:10:55,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:10:55,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:10:55,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:10:52" (1/3) ... [2019-11-26 02:10:55,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53465d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:55, skipping insertion in model container [2019-11-26 02:10:55,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:53" (2/3) ... [2019-11-26 02:10:55,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53465d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:55, skipping insertion in model container [2019-11-26 02:10:55,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:55" (3/3) ... [2019-11-26 02:10:55,751 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-11-26 02:10:55,759 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:10:55,765 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:10:55,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:10:55,805 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:10:55,806 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:10:55,806 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:10:55,806 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:10:55,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:10:55,807 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:10:55,807 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:10:55,807 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:10:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:10:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:10:55,828 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:55,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:55,830 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:55,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:55,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1508047751, now seen corresponding path program 1 times [2019-11-26 02:10:55,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:55,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455123192] [2019-11-26 02:10:55,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:56,404 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 02:10:56,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455123192] [2019-11-26 02:10:56,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:10:56,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 02:10:56,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056432659] [2019-11-26 02:10:56,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:10:56,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:56,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:10:56,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:10:56,425 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2019-11-26 02:10:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:56,640 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2019-11-26 02:10:56,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:10:56,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-26 02:10:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:56,656 INFO L225 Difference]: With dead ends: 76 [2019-11-26 02:10:56,656 INFO L226 Difference]: Without dead ends: 47 [2019-11-26 02:10:56,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:10:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-26 02:10:56,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 28. [2019-11-26 02:10:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-26 02:10:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2019-11-26 02:10:56,710 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 7 [2019-11-26 02:10:56,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:56,710 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2019-11-26 02:10:56,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:10:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-11-26 02:10:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:10:56,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:56,713 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:56,713 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:56,714 INFO L82 PathProgramCache]: Analyzing trace with hash -810291256, now seen corresponding path program 1 times [2019-11-26 02:10:56,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:56,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219847025] [2019-11-26 02:10:56,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:56,974 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 02:10:56,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219847025] [2019-11-26 02:10:56,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825159298] [2019-11-26 02:10:56,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/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 02:10:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:57,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-26 02:10:57,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:10:57,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,278 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,348 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 02:10:57,349 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:10:57,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:10:57,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:10:57,618 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 02:10:57,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1663568295] [2019-11-26 02:10:57,641 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:10:57,641 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:10:57,647 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:10:57,655 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:10:57,656 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:11:05,983 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:11:07,534 WARN L192 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:11:07,683 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:11:08,209 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-26 02:11:09,614 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 803 DAG size of output: 794 [2019-11-26 02:11:13,590 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:11:15,304 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 410 DAG size of output: 206 [2019-11-26 02:11:19,189 WARN L192 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:11:20,249 WARN L192 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 152 [2019-11-26 02:11:21,157 WARN L192 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 149 [2019-11-26 02:11:23,056 WARN L192 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 398 DAG size of output: 267 [2019-11-26 02:11:23,147 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:11:23,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:11:23,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2019-11-26 02:11:23,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5683394] [2019-11-26 02:11:23,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 02:11:23,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:11:23,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 02:11:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2019-11-26 02:11:23,150 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 15 states. [2019-11-26 02:11:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:11:23,365 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2019-11-26 02:11:23,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:11:23,366 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 10 [2019-11-26 02:11:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:11:23,366 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:11:23,366 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:11:23,367 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2019-11-26 02:11:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:11:23,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:11:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:11:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:11:23,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:11:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:11:23,368 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:11:23,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 02:11:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:11:23,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:11:23,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:11:23,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:11:23,988 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,988 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,989 INFO L444 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,989 INFO L444 ceAbstractionStarter]: For program point L969-1(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,989 INFO L444 ceAbstractionStarter]: For program point L969-2(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,989 INFO L440 ceAbstractionStarter]: At program point L344(lines 344 357) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,989 INFO L440 ceAbstractionStarter]: At program point L344-1(lines 1 972) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (or .cse0 (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse1) (or (< 1 ~waterLevel~0) .cse1)) (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 (<= 1 ~systemActive~0) .cse1))) [2019-11-26 02:11:23,989 INFO L440 ceAbstractionStarter]: At program point L344-2(lines 344 357) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,990 INFO L440 ceAbstractionStarter]: At program point L344-3(lines 1 972) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,990 INFO L440 ceAbstractionStarter]: At program point L344-4(lines 344 357) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,990 INFO L440 ceAbstractionStarter]: At program point L344-5(lines 1 972) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,990 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:11:23,990 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:11:23,990 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-11-26 02:11:23,991 INFO L440 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,991 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:11:23,991 INFO L440 ceAbstractionStarter]: At program point L55(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (or .cse0 (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse1) (or (< 1 ~waterLevel~0) .cse1)) (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 (<= 1 ~systemActive~0) .cse1))) [2019-11-26 02:11:23,991 INFO L440 ceAbstractionStarter]: At program point L518(lines 518 522) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (= 1 ~waterLevel~0) (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse0) (or (< 1 ~waterLevel~0) .cse0))) [2019-11-26 02:11:23,991 INFO L440 ceAbstractionStarter]: At program point L585(lines 585 592) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-26 02:11:23,991 INFO L447 ceAbstractionStarter]: At program point L585-1(lines 585 592) the Hoare annotation is: true [2019-11-26 02:11:23,991 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:11:23,992 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-26 02:11:23,992 INFO L440 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (or .cse0 (= 2 ~waterLevel~0)) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 ~waterLevel~0) (not (= 0 ~systemActive~0)) (or (= ~pumpRunning~0 1) .cse1) (or (< 1 ~waterLevel~0) .cse1)) (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 (<= 1 ~systemActive~0) .cse1))) [2019-11-26 02:11:24,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:11:24 BoogieIcfgContainer [2019-11-26 02:11:24,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:11:24,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:11:24,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:11:24,014 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:11:24,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:55" (3/4) ... [2019-11-26 02:11:24,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:11:24,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2019-11-26 02:11:24,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2019-11-26 02:11:24,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-11-26 02:11:24,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:11:24,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:11:24,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:11:24,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:11:24,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2930081e-0a90-45ac-a9c9-0d3bc2f78d3b/bin/utaipan/witness.graphml [2019-11-26 02:11:24,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:11:24,157 INFO L168 Benchmark]: Toolchain (without parser) took 31732.69 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 602.4 MB). Free memory was 944.8 MB in the beginning and 1.4 GB in the end (delta: -433.5 MB). Peak memory consumption was 168.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,157 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:11:24,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.58 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,158 INFO L168 Benchmark]: Boogie Preprocessor took 49.69 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,159 INFO L168 Benchmark]: RCFGBuilder took 2590.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 812.4 MB in the end (delta: 305.7 MB). Peak memory consumption was 305.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,159 INFO L168 Benchmark]: TraceAbstraction took 28272.24 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 450.4 MB). Free memory was 812.4 MB in the beginning and 1.4 GB in the end (delta: -585.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:11:24,160 INFO L168 Benchmark]: Witness Printer took 142.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:11:24,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.58 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.69 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2590.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 812.4 MB in the end (delta: 305.7 MB). Peak memory consumption was 305.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28272.24 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 450.4 MB). Free memory was 812.4 MB in the beginning and 1.4 GB in the end (delta: -585.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 142.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: 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: 344]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0)) || (((tmp == systemActive && 1 == waterLevel) && 1 <= systemActive) && pumpRunning == 0) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == waterLevel) && 1 <= systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0)) || (((tmp == systemActive && 1 == waterLevel) && 1 <= systemActive) && pumpRunning == 0) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((1 == waterLevel || 2 == waterLevel) && tmp == waterLevel) && !(0 == systemActive)) && (pumpRunning == 1 || pumpRunning == 0)) && (1 < waterLevel || pumpRunning == 0)) || (((tmp == systemActive && 1 == waterLevel) && 1 <= systemActive) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 28.1s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 32 SDtfs, 100 SDslu, 105 SDs, 0 SdLazy, 102 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 37 NumberOfFragments, 347 HoareAnnotationTreeSize, 13 FomulaSimplifications, 44 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 118 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 3138 SizeOfPredicates, 48 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/9 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...