./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/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 b261f373c94d4201e773fd055c7f1efffffc1032 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:32,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:32,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:32,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:32,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:32,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:32,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:32,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:32,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:32,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:32,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:32,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:32,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:32,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:32,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:32,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:32,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:32,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:32,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:32,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:32,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:32,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:32,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:32,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:32,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:32,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:32,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:32,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:32,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:32,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:32,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:32,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:32,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:32,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:32,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:32,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:32,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:32,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:32,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:32,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:32,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:32,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:32,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:32,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:32,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:32,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:32,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:32,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:32,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:32,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:32,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:32,639 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/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-10-22 11:27:32,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:32,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:32,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:32,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:32,680 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:32,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-10-22 11:27:32,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/data/0a97cbc67/c8f65bea62aa49b590fb4af8be132b97/FLAG70663a6e4 [2019-10-22 11:27:33,181 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:33,186 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-10-22 11:27:33,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/data/0a97cbc67/c8f65bea62aa49b590fb4af8be132b97/FLAG70663a6e4 [2019-10-22 11:27:33,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/data/0a97cbc67/c8f65bea62aa49b590fb4af8be132b97 [2019-10-22 11:27:33,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:33,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:33,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:33,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:33,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:33,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3234252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33, skipping insertion in model container [2019-10-22 11:27:33,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,550 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:33,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:33,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:33,890 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:33,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:33,973 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:33,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33 WrapperNode [2019-10-22 11:27:33,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:33,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:33,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:33,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:33,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:34,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:34,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:34,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:34,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:34,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:34,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:34,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:34,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:34,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/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 [2019-10-22 11:27:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:34,708 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:34,708 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 11:27:34,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:34 BoogieIcfgContainer [2019-10-22 11:27:34,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:34,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:34,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:34,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:34,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:33" (1/3) ... [2019-10-22 11:27:34,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b268407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:34, skipping insertion in model container [2019-10-22 11:27:34,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33" (2/3) ... [2019-10-22 11:27:34,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b268407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:34, skipping insertion in model container [2019-10-22 11:27:34,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:34" (3/3) ... [2019-10-22 11:27:34,717 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-10-22 11:27:34,725 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:34,733 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:27:34,743 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:27:34,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:34,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:34,763 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:34,763 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:34,764 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:34,764 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:34,764 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:34,764 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:34,783 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-10-22 11:27:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:34,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:34,791 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:34,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:34,800 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-10-22 11:27:34,809 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:34,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078816376] [2019-10-22 11:27:34,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:34,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:34,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:35,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078816376] [2019-10-22 11:27:35,010 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:35,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:35,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024480775] [2019-10-22 11:27:35,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:35,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:35,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:35,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:35,029 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-10-22 11:27:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,050 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-10-22 11:27:35,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:35,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:27:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,061 INFO L225 Difference]: With dead ends: 132 [2019-10-22 11:27:35,061 INFO L226 Difference]: Without dead ends: 65 [2019-10-22 11:27:35,064 INFO L600 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 [2019-10-22 11:27:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-10-22 11:27:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 11:27:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:27:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 11:27:35,099 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-10-22 11:27:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,099 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 11:27:35,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-10-22 11:27:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:35,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,100 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:35,101 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:35,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,101 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-10-22 11:27:35,101 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,101 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996964097] [2019-10-22 11:27:35,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:35,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996964097] [2019-10-22 11:27:35,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:35,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:35,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781068746] [2019-10-22 11:27:35,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:35,199 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:35,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:35,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:35,205 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-10-22 11:27:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,218 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-10-22 11:27:35,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:35,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:27:35,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,219 INFO L225 Difference]: With dead ends: 65 [2019-10-22 11:27:35,220 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:27:35,220 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:27:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:27:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:27:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 11:27:35,224 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-10-22 11:27:35,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,224 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 11:27:35,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 11:27:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:35,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:35,225 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:35,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,226 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-10-22 11:27:35,226 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456898644] [2019-10-22 11:27:35,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:35,472 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456898644] [2019-10-22 11:27:35,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:35,472 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:35,472 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344614133] [2019-10-22 11:27:35,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:35,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:35,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:35,473 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-10-22 11:27:35,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,534 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-10-22 11:27:35,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:35,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:27:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,537 INFO L225 Difference]: With dead ends: 56 [2019-10-22 11:27:35,538 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 11:27:35,538 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:35,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 11:27:35,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 11:27:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 11:27:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-10-22 11:27:35,544 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-10-22 11:27:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,544 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-10-22 11:27:35,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-10-22 11:27:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:27:35,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:35,545 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,546 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-10-22 11:27:35,547 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281008598] [2019-10-22 11:27:35,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:35,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281008598] [2019-10-22 11:27:35,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:35,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:27:35,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941360428] [2019-10-22 11:27:35,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:27:35,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:35,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:27:35,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:27:35,626 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-10-22 11:27:35,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:35,892 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-10-22 11:27:35,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:27:35,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-10-22 11:27:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:35,897 INFO L225 Difference]: With dead ends: 178 [2019-10-22 11:27:35,897 INFO L226 Difference]: Without dead ends: 153 [2019-10-22 11:27:35,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:27:35,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-22 11:27:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2019-10-22 11:27:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 11:27:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-10-22 11:27:35,922 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-10-22 11:27:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:35,922 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-10-22 11:27:35,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:27:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-10-22 11:27:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:27:35,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,923 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:35,924 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:35,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,924 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2019-10-22 11:27:35,924 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:35,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388850709] [2019-10-22 11:27:35,924 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:35,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:36,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388850709] [2019-10-22 11:27:36,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:36,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:36,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992583089] [2019-10-22 11:27:36,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:36,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:36,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:36,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:36,013 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-10-22 11:27:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:36,029 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2019-10-22 11:27:36,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:36,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:27:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:36,032 INFO L225 Difference]: With dead ends: 126 [2019-10-22 11:27:36,032 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 11:27:36,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:36,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 11:27:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-10-22 11:27:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:27:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-10-22 11:27:36,047 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-10-22 11:27:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:36,047 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-10-22 11:27:36,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-10-22 11:27:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 11:27:36,048 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:36,048 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:36,048 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:36,049 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2019-10-22 11:27:36,049 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:36,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821771990] [2019-10-22 11:27:36,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:36,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:36,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:27:36,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821771990] [2019-10-22 11:27:36,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:36,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:36,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453845487] [2019-10-22 11:27:36,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:36,141 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:36,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:36,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:36,141 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-10-22 11:27:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:36,188 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-10-22 11:27:36,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:36,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-10-22 11:27:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:36,189 INFO L225 Difference]: With dead ends: 118 [2019-10-22 11:27:36,189 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:36,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:36,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:36,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-10-22 11:27:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:36,191 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:36,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:36,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:36,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:36,399 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-10-22 11:27:36,400 INFO L439 ceAbstractionStarter]: At program point L448-2(lines 266 272) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,400 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:27:36,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:36,400 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:27:36,401 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:27:36,401 INFO L439 ceAbstractionStarter]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:27:36,401 INFO L439 ceAbstractionStarter]: At program point L351(lines 346 354) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,401 INFO L439 ceAbstractionStarter]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2019-10-22 11:27:36,401 INFO L439 ceAbstractionStarter]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2019-10-22 11:27:36,401 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:27:36,401 INFO L443 ceAbstractionStarter]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:27:36,402 INFO L443 ceAbstractionStarter]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2019-10-22 11:27:36,402 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:27:36,402 INFO L443 ceAbstractionStarter]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:27:36,402 INFO L443 ceAbstractionStarter]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2019-10-22 11:27:36,402 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:27:36,403 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2019-10-22 11:27:36,403 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2019-10-22 11:27:36,403 INFO L439 ceAbstractionStarter]: At program point L238-1(lines 1 875) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,403 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 251) no Hoare annotation was computed. [2019-10-22 11:27:36,403 INFO L439 ceAbstractionStarter]: At program point L238-3(lines 1 875) the Hoare annotation is: false [2019-10-22 11:27:36,403 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 11:27:36,403 INFO L443 ceAbstractionStarter]: For program point L238-4(lines 238 251) no Hoare annotation was computed. [2019-10-22 11:27:36,403 INFO L439 ceAbstractionStarter]: At program point L238-5(lines 1 875) the Hoare annotation is: false [2019-10-22 11:27:36,403 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L420-1(lines 420 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,404 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L223(lines 218 226) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2019-10-22 11:27:36,404 INFO L439 ceAbstractionStarter]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2019-10-22 11:27:36,405 INFO L439 ceAbstractionStarter]: At program point L191(lines 186 194) the Hoare annotation is: false [2019-10-22 11:27:36,405 INFO L439 ceAbstractionStarter]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2019-10-22 11:27:36,405 INFO L439 ceAbstractionStarter]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2019-10-22 11:27:36,405 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2019-10-22 11:27:36,405 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-10-22 11:27:36,405 INFO L443 ceAbstractionStarter]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2019-10-22 11:27:36,405 INFO L443 ceAbstractionStarter]: For program point L242-4(lines 242 248) no Hoare annotation was computed. [2019-10-22 11:27:36,405 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:36,405 INFO L439 ceAbstractionStarter]: At program point L342(lines 335 345) the Hoare annotation is: false [2019-10-22 11:27:36,405 INFO L439 ceAbstractionStarter]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2019-10-22 11:27:36,406 INFO L439 ceAbstractionStarter]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2019-10-22 11:27:36,406 INFO L439 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: false [2019-10-22 11:27:36,406 INFO L439 ceAbstractionStarter]: At program point L855(lines 1 875) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 182) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point L872-2(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 11:27:36,407 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-22 11:27:36,408 INFO L439 ceAbstractionStarter]: At program point L430-1(lines 430 436) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,408 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:27:36,409 INFO L443 ceAbstractionStarter]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:27:36,409 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2019-10-22 11:27:36,409 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-10-22 11:27:36,409 INFO L439 ceAbstractionStarter]: At program point L266(lines 265 284) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:36,409 INFO L443 ceAbstractionStarter]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2019-10-22 11:27:36,410 INFO L439 ceAbstractionStarter]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2019-10-22 11:27:36,410 INFO L439 ceAbstractionStarter]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2019-10-22 11:27:36,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:36 BoogieIcfgContainer [2019-10-22 11:27:36,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:36,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:36,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:36,428 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:36,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:34" (3/4) ... [2019-10-22 11:27:36,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:36,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:36,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:27:36,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:27:36,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:36,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:36,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:36,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:27:36,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == tmp) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:27:36,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:27:36,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e5766f9-9f91-4393-a4ce-dfe1ed623d3f/bin/utaipan/witness.graphml [2019-10-22 11:27:36,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:36,507 INFO L168 Benchmark]: Toolchain (without parser) took 2970.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 949.9 MB in the beginning and 850.8 MB in the end (delta: 99.1 MB). Peak memory consumption was 210.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,508 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:36,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,509 INFO L168 Benchmark]: Boogie Preprocessor took 49.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,509 INFO L168 Benchmark]: RCFGBuilder took 622.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,509 INFO L168 Benchmark]: TraceAbstraction took 1716.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 857.6 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,510 INFO L168 Benchmark]: Witness Printer took 78.56 ms. Allocated memory is still 1.1 GB. Free memory was 857.6 MB in the beginning and 850.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:36,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 622.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1716.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 857.6 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. * Witness Printer took 78.56 ms. Allocated memory is still 1.1 GB. Free memory was 857.6 MB in the beginning and 850.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: 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: 420]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == tmp) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 312 SDtfs, 521 SDslu, 392 SDs, 0 SdLazy, 101 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, 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, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2577 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...