./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:23:20,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:20,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:20,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:20,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:20,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:20,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:20,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:20,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:20,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:20,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:20,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:20,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:20,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:20,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:20,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:20,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:20,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:20,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:20,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:20,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:20,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:20,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:20,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:20,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:20,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:20,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:20,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:20,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:20,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:20,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:20,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:20,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:20,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:20,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:20,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:20,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:20,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:20,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:20,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:20,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:20,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:20,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:20,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:20,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:20,809 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:20,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:20,810 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:20,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:20,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:20,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:20,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:20,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:20,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:20,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:20,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:20,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:20,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:20,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:20,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:20,820 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_dff87205-8977-449a-9769-9bf2f109c5d9/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2019-10-22 11:23:20,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:20,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:20,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:20,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:20,872 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:20,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-10-22 11:23:20,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/data/66c0c91ce/63040f5acb08415db16cdee5aa38d54a/FLAGc52067c0a [2019-10-22 11:23:21,339 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:21,340 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2019-10-22 11:23:21,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/data/66c0c91ce/63040f5acb08415db16cdee5aa38d54a/FLAGc52067c0a [2019-10-22 11:23:21,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/data/66c0c91ce/63040f5acb08415db16cdee5aa38d54a [2019-10-22 11:23:21,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:21,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:21,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:21,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:21,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:21,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7d5d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21, skipping insertion in model container [2019-10-22 11:23:21,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:21,438 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:21,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:21,786 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:21,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:21,915 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:21,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21 WrapperNode [2019-10-22 11:23:21,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:21,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:21,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:21,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:21,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:21,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:21,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:21,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:21,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:21,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:22,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:22,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:22,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... [2019-10-22 11:23:22,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:22,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:22,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:22,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:22,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/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 11:23:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:22,999 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:22,999 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 11:23:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23 BoogieIcfgContainer [2019-10-22 11:23:23,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:23,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:23,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:23,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:23,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:21" (1/3) ... [2019-10-22 11:23:23,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b921aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:21" (2/3) ... [2019-10-22 11:23:23,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b921aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23" (3/3) ... [2019-10-22 11:23:23,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-10-22 11:23:23,020 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:23,027 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:23,041 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:23,070 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:23,070 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:23,070 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:23,070 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:23,071 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:23,071 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:23,071 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:23,071 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 11:23:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:23,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,097 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:23,099 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-10-22 11:23:23,109 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,109 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852518405] [2019-10-22 11:23:23,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,292 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 11:23:23,293 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852518405] [2019-10-22 11:23:23,293 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:23,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864121001] [2019-10-22 11:23:23,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:23,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:23,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:23,316 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 11:23:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,350 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 11:23:23,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:23,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:23,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,361 INFO L225 Difference]: With dead ends: 264 [2019-10-22 11:23:23,361 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:23:23,364 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 11:23:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:23:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:23:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:23:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 11:23:23,405 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-10-22 11:23:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,406 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 11:23:23,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 11:23:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:23,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,407 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 11:23:23,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-10-22 11:23:23,407 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620178078] [2019-10-22 11:23:23,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,520 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 11:23:23,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620178078] [2019-10-22 11:23:23,520 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:23,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398579613] [2019-10-22 11:23:23,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,523 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-10-22 11:23:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,536 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-10-22 11:23:23,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,538 INFO L225 Difference]: With dead ends: 131 [2019-10-22 11:23:23,538 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:23:23,539 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 11:23:23,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:23:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:23:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:23:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:23:23,545 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 11:23:23,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,545 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:23:23,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:23:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:23:23,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,546 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 11:23:23,546 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2019-10-22 11:23:23,547 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625293883] [2019-10-22 11:23:23,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,604 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 11:23:23,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625293883] [2019-10-22 11:23:23,604 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:23,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878734851] [2019-10-22 11:23:23,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,606 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:23:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,630 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-10-22 11:23:23,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:23:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,631 INFO L225 Difference]: With dead ends: 100 [2019-10-22 11:23:23,631 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:23:23,632 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 11:23:23,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:23:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:23:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:23:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:23:23,638 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-10-22 11:23:23,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,639 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:23:23,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:23:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:23,640 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,640 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 11:23:23,640 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,640 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2019-10-22 11:23:23,642 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706529157] [2019-10-22 11:23:23,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,725 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 11:23:23,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706529157] [2019-10-22 11:23:23,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:23,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170611981] [2019-10-22 11:23:23,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,727 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:23:23,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,759 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-10-22 11:23:23,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:23:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,761 INFO L225 Difference]: With dead ends: 121 [2019-10-22 11:23:23,761 INFO L226 Difference]: Without dead ends: 74 [2019-10-22 11:23:23,762 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 11:23:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-22 11:23:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-10-22 11:23:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 11:23:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-10-22 11:23:23,769 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-10-22 11:23:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,769 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-10-22 11:23:23,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-10-22 11:23:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:23:23,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,774 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:23,775 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,775 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2019-10-22 11:23:23,775 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145959343] [2019-10-22 11:23:23,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,860 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 11:23:23,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145959343] [2019-10-22 11:23:23,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:23,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927161198] [2019-10-22 11:23:23,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:23,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:23,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:23,862 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-10-22 11:23:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,067 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2019-10-22 11:23:24,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:24,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-22 11:23:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,070 INFO L225 Difference]: With dead ends: 372 [2019-10-22 11:23:24,070 INFO L226 Difference]: Without dead ends: 306 [2019-10-22 11:23:24,071 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:24,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-10-22 11:23:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2019-10-22 11:23:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-22 11:23:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2019-10-22 11:23:24,098 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2019-10-22 11:23:24,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,099 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2019-10-22 11:23:24,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:24,099 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2019-10-22 11:23:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:23:24,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,100 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:24,100 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,101 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2019-10-22 11:23:24,101 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477593541] [2019-10-22 11:23:24,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,211 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 11:23:24,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477593541] [2019-10-22 11:23:24,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:24,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460687789] [2019-10-22 11:23:24,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:24,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:24,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:24,214 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2019-10-22 11:23:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,378 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2019-10-22 11:23:24,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:24,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 11:23:24,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,382 INFO L225 Difference]: With dead ends: 378 [2019-10-22 11:23:24,382 INFO L226 Difference]: Without dead ends: 376 [2019-10-22 11:23:24,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-22 11:23:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2019-10-22 11:23:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-22 11:23:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-10-22 11:23:24,412 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2019-10-22 11:23:24,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,417 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-10-22 11:23:24,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-10-22 11:23:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:23:24,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:24,419 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2019-10-22 11:23:24,419 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509095639] [2019-10-22 11:23:24,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,503 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 11:23:24,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509095639] [2019-10-22 11:23:24,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:24,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457234760] [2019-10-22 11:23:24,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:24,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:24,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:24,507 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2019-10-22 11:23:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,595 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2019-10-22 11:23:24,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:24,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:23:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,597 INFO L225 Difference]: With dead ends: 344 [2019-10-22 11:23:24,597 INFO L226 Difference]: Without dead ends: 218 [2019-10-22 11:23:24,598 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 11:23:24,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-10-22 11:23:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2019-10-22 11:23:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-22 11:23:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2019-10-22 11:23:24,619 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2019-10-22 11:23:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,620 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2019-10-22 11:23:24,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2019-10-22 11:23:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:23:24,621 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:24,621 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2019-10-22 11:23:24,622 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37652566] [2019-10-22 11:23:24,622 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,672 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 11:23:24,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37652566] [2019-10-22 11:23:24,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:24,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401764884] [2019-10-22 11:23:24,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:24,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:24,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:24,691 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2019-10-22 11:23:24,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,753 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2019-10-22 11:23:24,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:24,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 11:23:24,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,755 INFO L225 Difference]: With dead ends: 340 [2019-10-22 11:23:24,755 INFO L226 Difference]: Without dead ends: 202 [2019-10-22 11:23:24,756 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:24,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-10-22 11:23:24,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2019-10-22 11:23:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 11:23:24,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2019-10-22 11:23:24,772 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2019-10-22 11:23:24,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,772 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2019-10-22 11:23:24,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2019-10-22 11:23:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:23:24,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:24,779 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,779 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2019-10-22 11:23:24,779 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730149957] [2019-10-22 11:23:24,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,827 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 11:23:24,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730149957] [2019-10-22 11:23:24,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:24,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724094416] [2019-10-22 11:23:24,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:24,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:24,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:24,829 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2019-10-22 11:23:24,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:24,861 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2019-10-22 11:23:24,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:24,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:23:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:24,862 INFO L225 Difference]: With dead ends: 348 [2019-10-22 11:23:24,862 INFO L226 Difference]: Without dead ends: 202 [2019-10-22 11:23:24,863 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 11:23:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-10-22 11:23:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2019-10-22 11:23:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-22 11:23:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2019-10-22 11:23:24,884 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2019-10-22 11:23:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:24,885 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2019-10-22 11:23:24,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2019-10-22 11:23:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:23:24,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:24,886 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:24,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2019-10-22 11:23:24,887 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:24,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147403226] [2019-10-22 11:23:24,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:24,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:24,978 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 11:23:24,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147403226] [2019-10-22 11:23:24,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:24,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:24,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802752402] [2019-10-22 11:23:24,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:24,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:24,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:24,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:24,980 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2019-10-22 11:23:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:25,469 INFO L93 Difference]: Finished difference Result 955 states and 1243 transitions. [2019-10-22 11:23:25,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-22 11:23:25,470 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-10-22 11:23:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:25,472 INFO L225 Difference]: With dead ends: 955 [2019-10-22 11:23:25,472 INFO L226 Difference]: Without dead ends: 759 [2019-10-22 11:23:25,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2019-10-22 11:23:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2019-10-22 11:23:25,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 202. [2019-10-22 11:23:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-22 11:23:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2019-10-22 11:23:25,492 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2019-10-22 11:23:25,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:25,493 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2019-10-22 11:23:25,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2019-10-22 11:23:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:23:25,494 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:25,494 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:25,495 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:25,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:25,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2019-10-22 11:23:25,495 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:25,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855716090] [2019-10-22 11:23:25,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:25,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:25,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:25,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855716090] [2019-10-22 11:23:25,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:25,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:25,571 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682005845] [2019-10-22 11:23:25,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:25,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:25,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:25,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:25,572 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2019-10-22 11:23:25,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:25,783 INFO L93 Difference]: Finished difference Result 1042 states and 1371 transitions. [2019-10-22 11:23:25,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:23:25,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-22 11:23:25,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:25,787 INFO L225 Difference]: With dead ends: 1042 [2019-10-22 11:23:25,787 INFO L226 Difference]: Without dead ends: 896 [2019-10-22 11:23:25,788 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:23:25,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2019-10-22 11:23:25,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 326. [2019-10-22 11:23:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-10-22 11:23:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 421 transitions. [2019-10-22 11:23:25,821 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 421 transitions. Word has length 56 [2019-10-22 11:23:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:25,821 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 421 transitions. [2019-10-22 11:23:25,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 421 transitions. [2019-10-22 11:23:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:23:25,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:25,823 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:25,823 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:25,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2019-10-22 11:23:25,823 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:25,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343103690] [2019-10-22 11:23:25,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:25,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:25,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 11:23:25,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343103690] [2019-10-22 11:23:25,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373051612] [2019-10-22 11:23:25,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/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 [2019-10-22 11:23:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:26,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:26,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:23:26,063 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:23:26,092 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:26,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 9 [2019-10-22 11:23:26,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702930423] [2019-10-22 11:23:26,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:26,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:26,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:26,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:26,096 INFO L87 Difference]: Start difference. First operand 326 states and 421 transitions. Second operand 5 states. [2019-10-22 11:23:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:26,167 INFO L93 Difference]: Finished difference Result 660 states and 848 transitions. [2019-10-22 11:23:26,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:26,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-22 11:23:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:26,167 INFO L225 Difference]: With dead ends: 660 [2019-10-22 11:23:26,168 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:26,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:26,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:26,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 11:23:26,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:26,169 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:26,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:26,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:26,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:26,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:26,944 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 144 [2019-10-22 11:23:27,402 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 138 [2019-10-22 11:23:27,699 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2019-10-22 11:23:28,123 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 150 [2019-10-22 11:23:28,312 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2019-10-22 11:23:28,600 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 145 [2019-10-22 11:23:28,739 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-10-22 11:23:28,909 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2019-10-22 11:23:29,075 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2019-10-22 11:23:30,169 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2019-10-22 11:23:31,018 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2019-10-22 11:23:31,458 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2019-10-22 11:23:32,148 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 23 [2019-10-22 11:23:32,554 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2019-10-22 11:23:33,251 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2019-10-22 11:23:33,664 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 22 [2019-10-22 11:23:33,960 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 22 [2019-10-22 11:23:34,375 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2019-10-22 11:23:34,445 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-22 11:23:34,446 INFO L439 ceAbstractionStarter]: At program point L564-2(lines 274 280) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse0 .cse1 .cse3) .cse4) (and (and .cse0 .cse2 .cse3) .cse5) (and .cse4 (and (and .cse0 .cse3) .cse5)))) [2019-10-22 11:23:34,446 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-22 11:23:34,446 INFO L439 ceAbstractionStarter]: At program point L498-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3) (and .cse0 .cse1 .cse4 .cse3) (and (and .cse0 .cse4 .cse3) (not .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:34,446 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-10-22 11:23:34,446 INFO L439 ceAbstractionStarter]: At program point L498-3(lines 1 982) the Hoare annotation is: false [2019-10-22 11:23:34,446 INFO L443 ceAbstractionStarter]: For program point L498-4(lines 498 511) no Hoare annotation was computed. [2019-10-22 11:23:34,446 INFO L439 ceAbstractionStarter]: At program point L498-5(lines 1 982) the Hoare annotation is: false [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 344) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369-6(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369-8(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L369-10(lines 369 375) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L502-2(lines 502 508) no Hoare annotation was computed. [2019-10-22 11:23:34,447 INFO L439 ceAbstractionStarter]: At program point L403(lines 398 406) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-10-22 11:23:34,447 INFO L439 ceAbstractionStarter]: At program point L403-1(lines 398 406) the Hoare annotation is: false [2019-10-22 11:23:34,447 INFO L443 ceAbstractionStarter]: For program point L502-4(lines 502 508) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L439 ceAbstractionStarter]: At program point L403-2(lines 398 406) the Hoare annotation is: false [2019-10-22 11:23:34,448 INFO L439 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L439 ceAbstractionStarter]: At program point L536-1(lines 536 542) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3) (and .cse0 .cse1 .cse4 .cse3) (and (and .cse0 .cse4 .cse3) (not .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,448 INFO L443 ceAbstractionStarter]: For program point L306-1(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,449 INFO L443 ceAbstractionStarter]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,449 INFO L443 ceAbstractionStarter]: For program point L306-2(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L306-3(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L306-4(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L306-5(lines 306 323) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 79) no Hoare annotation was computed. [2019-10-22 11:23:34,450 INFO L439 ceAbstractionStarter]: At program point L274(lines 273 292) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (not (= 0 ~waterLevel~0)))) (or (and .cse0 (and (and .cse1 .cse2) .cse3)) (and .cse1 .cse4 .cse5 .cse2) (and (and .cse1 .cse5 .cse2) .cse3) (and (and .cse1 .cse4 .cse2) .cse0))) [2019-10-22 11:23:34,450 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L605(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 274 280) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: false [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310-3(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310-4(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L145(lines 136 149) the Hoare annotation is: false [2019-10-22 11:23:34,451 INFO L443 ceAbstractionStarter]: For program point L310-5(lines 310 318) no Hoare annotation was computed. [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse3 (= 0 ~methaneLevelCritical~0) .cse4 .cse5)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse1 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse4 .cse5 .cse6)))) [2019-10-22 11:23:34,451 INFO L439 ceAbstractionStarter]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L477(lines 462 480) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse3 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse4 (not (= 0 ~waterLevel~0))) (.cse5 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)) (.cse6 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse4 .cse5 .cse6 (and (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0))))) [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L477-1(lines 462 480) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse0 .cse2 .cse3) (= 1 ~methaneLevelCritical~0)) (and (and .cse0 .cse1 .cse3) (<= 2 ~waterLevel~0)))) [2019-10-22 11:23:34,452 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L439 ceAbstractionStarter]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2019-10-22 11:23:34,452 INFO L446 ceAbstractionStarter]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-10-22 11:23:34,453 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-10-22 11:23:34,453 INFO L439 ceAbstractionStarter]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and .cse0 .cse4 .cse5 .cse1) (and (and .cse0 .cse4 .cse1) .cse3) (and (and .cse0 .cse5 .cse1) .cse2))) [2019-10-22 11:23:34,453 INFO L439 ceAbstractionStarter]: At program point L613(lines 608 616) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:34,453 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:34,453 INFO L443 ceAbstractionStarter]: For program point L87(lines 87 91) no Hoare annotation was computed. [2019-10-22 11:23:34,453 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L439 ceAbstractionStarter]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L439 ceAbstractionStarter]: At program point L155(lines 150 158) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) .cse2 .cse3) (and .cse2 .cse3 (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0))))) [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-9(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L439 ceAbstractionStarter]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-11(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L439 ceAbstractionStarter]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-12(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-14(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-15(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point L452-17(lines 452 456) no Hoare annotation was computed. [2019-10-22 11:23:34,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L446 ceAbstractionStarter]: At program point L257(lines 238 260) the Hoare annotation is: true [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458(lines 443 461) the Hoare annotation is: false [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458-1(lines 443 461) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (and .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7)))) [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458-3(lines 443 461) the Hoare annotation is: false [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458-4(lines 443 461) the Hoare annotation is: false [2019-10-22 11:23:34,455 INFO L439 ceAbstractionStarter]: At program point L458-5(lines 443 461) the Hoare annotation is: false [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 67) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2019-10-22 11:23:34,455 INFO L443 ceAbstractionStarter]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394(lines 387 397) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394-1(lines 387 397) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394-2(lines 387 397) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394-3(lines 387 397) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394-4(lines 387 397) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L394-5(lines 387 397) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L443 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2019-10-22 11:23:34,456 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:34,456 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L100(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L100-1(lines 95 103) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L100-2(lines 95 103) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 .cse3 .cse4) (not .cse2) (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2019-10-22 11:23:34,456 INFO L439 ceAbstractionStarter]: At program point L100-3(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L439 ceAbstractionStarter]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L439 ceAbstractionStarter]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L439 ceAbstractionStarter]: At program point L100-6(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L439 ceAbstractionStarter]: At program point L100-7(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L439 ceAbstractionStarter]: At program point L100-8(lines 95 103) the Hoare annotation is: false [2019-10-22 11:23:34,457 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2019-10-22 11:23:34,457 INFO L443 ceAbstractionStarter]: For program point L332-1(lines 332 349) no Hoare annotation was computed. [2019-10-22 11:23:34,457 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 349) no Hoare annotation was computed. [2019-10-22 11:23:34,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:34 BoogieIcfgContainer [2019-10-22 11:23:34,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:34,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:34,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:34,498 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:34,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23" (3/4) ... [2019-10-22 11:23:34,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:34,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:34,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:23:34,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:23:34,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:34,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:34,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:34,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:23:34,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && !(0 == waterLevel)) || ((0 == \result && !(0 == waterLevel)) && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 2 <= waterLevel) || (\result == 1 && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-10-22 11:23:34,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) || (((((1 <= tmp___0 && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == \result && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == tmp___0) [2019-10-22 11:23:34,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:23:34,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:34,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dff87205-8977-449a-9769-9bf2f109c5d9/bin/utaipan/witness.graphml [2019-10-22 11:23:34,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:34,667 INFO L168 Benchmark]: Toolchain (without parser) took 13299.95 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 940.7 MB in the beginning and 873.0 MB in the end (delta: 67.7 MB). Peak memory consumption was 439.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,668 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:34,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,668 INFO L168 Benchmark]: Boogie Preprocessor took 60.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,669 INFO L168 Benchmark]: RCFGBuilder took 960.86 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,669 INFO L168 Benchmark]: TraceAbstraction took 11496.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 896.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 423.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,669 INFO L168 Benchmark]: Witness Printer took 168.48 ms. Allocated memory is still 1.4 GB. Free memory was 896.7 MB in the beginning and 873.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:34,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 960.86 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11496.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 896.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 423.6 MB. Max. memory is 11.5 GB. * Witness Printer took 168.48 ms. Allocated memory is still 1.4 GB. Free memory was 896.7 MB in the beginning and 873.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((!(0 == waterLevel) && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && !(0 == waterLevel)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == \result && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == tmp___0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (2 <= waterLevel && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && !(0 == waterLevel)) || ((0 == \result && !(0 == waterLevel)) && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 2 <= waterLevel) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) || (((((1 <= tmp___0 && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && (1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 2 <= waterLevel) || (\result == 1 && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 11.3s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, HoareTripleCheckerStatistics: 1413 SDtfs, 1966 SDslu, 2938 SDs, 0 SdLazy, 388 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 142 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1671 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 783 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1862289 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 55 FomulaSimplificationsInter, 768279 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 487 ConstructedInterpolants, 0 QuantifiedInterpolants, 31216 SizeOfPredicates, 4 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 54/56 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...