./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.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_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:16,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:16,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:16,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:16,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:16,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:16,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:16,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:16,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:16,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:16,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:16,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:16,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:16,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:16,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:16,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:16,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:16,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:16,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:16,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:16,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:16,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:16,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:16,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:16,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:16,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:16,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:16,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:16,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:16,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:16,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:16,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:16,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:16,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:16,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:16,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:16,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:16,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:16,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:16,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:16,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:16,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:16,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:16,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:16,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:16,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:16,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:16,688 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:16,688 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:16,688 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:16,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:16,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:16,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:16,689 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:16,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:16,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:16,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:16,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:16,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:16,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:16,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:16,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:16,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:16,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:16,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:16,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:16,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:16,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:16,695 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:16,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:16,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:16,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:16,696 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_a20b2f8a-defc-48a7-9026-c16ceb931c41/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2019-10-22 11:27:16,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:16,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:16,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:16,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:16,753 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:16,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-10-22 11:27:16,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/data/79c0d70b2/4f44f163557e45fc85c68584f190099d/FLAG8f6256bfa [2019-10-22 11:27:17,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:17,249 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2019-10-22 11:27:17,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/data/79c0d70b2/4f44f163557e45fc85c68584f190099d/FLAG8f6256bfa [2019-10-22 11:27:17,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/data/79c0d70b2/4f44f163557e45fc85c68584f190099d [2019-10-22 11:27:17,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:17,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:17,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:17,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:17,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:17,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17, skipping insertion in model container [2019-10-22 11:27:17,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:17,329 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:17,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:17,725 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:17,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:17,822 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:17,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17 WrapperNode [2019-10-22 11:27:17,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:17,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:17,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:17,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:17,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:17,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:17,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:17,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:17,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... [2019-10-22 11:27:17,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:17,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:17,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:17,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:17,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:18,907 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:18,907 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-10-22 11:27:18,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:18 BoogieIcfgContainer [2019-10-22 11:27:18,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:18,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:18,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:18,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:18,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:17" (1/3) ... [2019-10-22 11:27:18,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86cd95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:18, skipping insertion in model container [2019-10-22 11:27:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:17" (2/3) ... [2019-10-22 11:27:18,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86cd95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:18, skipping insertion in model container [2019-10-22 11:27:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:18" (3/3) ... [2019-10-22 11:27:18,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2019-10-22 11:27:18,920 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:18,926 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:27:18,933 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:27:18,960 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:18,960 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:18,961 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:18,961 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:18,966 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:18,966 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:18,966 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:18,966 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-22 11:27:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:18,993 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:18,994 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:18,995 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash -330245923, now seen corresponding path program 1 times [2019-10-22 11:27:19,006 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:19,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062890544] [2019-10-22 11:27:19,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:19,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062890544] [2019-10-22 11:27:19,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:19,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:19,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948342205] [2019-10-22 11:27:19,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:19,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:19,198 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-22 11:27:19,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:19,231 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2019-10-22 11:27:19,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:19,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:27:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:19,244 INFO L225 Difference]: With dead ends: 256 [2019-10-22 11:27:19,244 INFO L226 Difference]: Without dead ends: 127 [2019-10-22 11:27:19,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:19,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-22 11:27:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-22 11:27:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-22 11:27:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2019-10-22 11:27:19,285 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2019-10-22 11:27:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:19,286 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2019-10-22 11:27:19,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2019-10-22 11:27:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:19,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:19,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:19,290 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:19,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:19,290 INFO L82 PathProgramCache]: Analyzing trace with hash 450073546, now seen corresponding path program 1 times [2019-10-22 11:27:19,291 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:19,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926640346] [2019-10-22 11:27:19,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:19,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926640346] [2019-10-22 11:27:19,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:19,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:19,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301656653] [2019-10-22 11:27:19,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:19,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:19,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:19,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,408 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2019-10-22 11:27:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:19,426 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-10-22 11:27:19,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:19,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:27:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:19,428 INFO L225 Difference]: With dead ends: 127 [2019-10-22 11:27:19,428 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:27:19,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:27:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:27:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:27:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:27:19,436 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 11:27:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:19,436 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:27:19,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:27:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:19,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:19,437 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:19,437 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:19,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:19,438 INFO L82 PathProgramCache]: Analyzing trace with hash 445162074, now seen corresponding path program 1 times [2019-10-22 11:27:19,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:19,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157232495] [2019-10-22 11:27:19,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:19,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157232495] [2019-10-22 11:27:19,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:19,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:19,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571621045] [2019-10-22 11:27:19,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:19,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:19,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:19,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,549 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:27:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:19,584 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2019-10-22 11:27:19,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:19,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:27:19,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:19,589 INFO L225 Difference]: With dead ends: 147 [2019-10-22 11:27:19,589 INFO L226 Difference]: Without dead ends: 100 [2019-10-22 11:27:19,589 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-22 11:27:19,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2019-10-22 11:27:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-22 11:27:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2019-10-22 11:27:19,599 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2019-10-22 11:27:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:19,600 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2019-10-22 11:27:19,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2019-10-22 11:27:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:27:19,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:19,601 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:19,601 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:19,601 INFO L82 PathProgramCache]: Analyzing trace with hash 96758808, now seen corresponding path program 1 times [2019-10-22 11:27:19,601 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:19,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809975599] [2019-10-22 11:27:19,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:19,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809975599] [2019-10-22 11:27:19,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:19,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:19,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950686439] [2019-10-22 11:27:19,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:19,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:19,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:19,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,645 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 3 states. [2019-10-22 11:27:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:19,695 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2019-10-22 11:27:19,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:19,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:27:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:19,696 INFO L225 Difference]: With dead ends: 227 [2019-10-22 11:27:19,697 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 11:27:19,697 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 11:27:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2019-10-22 11:27:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:27:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2019-10-22 11:27:19,720 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2019-10-22 11:27:19,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:19,720 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2019-10-22 11:27:19,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2019-10-22 11:27:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:27:19,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:19,721 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] [2019-10-22 11:27:19,722 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:19,725 INFO L82 PathProgramCache]: Analyzing trace with hash -732744145, now seen corresponding path program 1 times [2019-10-22 11:27:19,725 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:19,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741249884] [2019-10-22 11:27:19,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:19,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:19,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741249884] [2019-10-22 11:27:19,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:19,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:19,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389544093] [2019-10-22 11:27:19,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:19,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:19,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:19,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:19,808 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand 5 states. [2019-10-22 11:27:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:19,987 INFO L93 Difference]: Finished difference Result 397 states and 575 transitions. [2019-10-22 11:27:19,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:27:19,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:27:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:19,989 INFO L225 Difference]: With dead ends: 397 [2019-10-22 11:27:19,990 INFO L226 Difference]: Without dead ends: 395 [2019-10-22 11:27:19,990 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 11:27:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-22 11:27:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 135. [2019-10-22 11:27:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:27:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 193 transitions. [2019-10-22 11:27:20,009 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 193 transitions. Word has length 25 [2019-10-22 11:27:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:20,010 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 193 transitions. [2019-10-22 11:27:20,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2019-10-22 11:27:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:27:20,011 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:20,011 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] [2019-10-22 11:27:20,011 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:20,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:20,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1902005189, now seen corresponding path program 1 times [2019-10-22 11:27:20,012 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:20,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830407634] [2019-10-22 11:27:20,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:20,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830407634] [2019-10-22 11:27:20,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:20,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:20,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844874970] [2019-10-22 11:27:20,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:20,064 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:20,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:20,064 INFO L87 Difference]: Start difference. First operand 135 states and 193 transitions. Second operand 3 states. [2019-10-22 11:27:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:20,097 INFO L93 Difference]: Finished difference Result 363 states and 522 transitions. [2019-10-22 11:27:20,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:20,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:27:20,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:20,099 INFO L225 Difference]: With dead ends: 363 [2019-10-22 11:27:20,099 INFO L226 Difference]: Without dead ends: 234 [2019-10-22 11:27:20,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-10-22 11:27:20,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2019-10-22 11:27:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-10-22 11:27:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 326 transitions. [2019-10-22 11:27:20,124 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 326 transitions. Word has length 33 [2019-10-22 11:27:20,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:20,125 INFO L462 AbstractCegarLoop]: Abstraction has 232 states and 326 transitions. [2019-10-22 11:27:20,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 326 transitions. [2019-10-22 11:27:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:27:20,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:20,130 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] [2019-10-22 11:27:20,130 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:20,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:20,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1113098429, now seen corresponding path program 1 times [2019-10-22 11:27:20,130 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:20,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191598358] [2019-10-22 11:27:20,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:20,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191598358] [2019-10-22 11:27:20,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:20,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:20,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750123634] [2019-10-22 11:27:20,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:20,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:20,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:20,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:20,202 INFO L87 Difference]: Start difference. First operand 232 states and 326 transitions. Second operand 5 states. [2019-10-22 11:27:20,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:20,313 INFO L93 Difference]: Finished difference Result 640 states and 890 transitions. [2019-10-22 11:27:20,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:20,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:27:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:20,316 INFO L225 Difference]: With dead ends: 640 [2019-10-22 11:27:20,316 INFO L226 Difference]: Without dead ends: 414 [2019-10-22 11:27:20,317 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 11:27:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-22 11:27:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 250. [2019-10-22 11:27:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-10-22 11:27:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 344 transitions. [2019-10-22 11:27:20,366 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 344 transitions. Word has length 33 [2019-10-22 11:27:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:20,366 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 344 transitions. [2019-10-22 11:27:20,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 344 transitions. [2019-10-22 11:27:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:27:20,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:20,368 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] [2019-10-22 11:27:20,368 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:20,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:20,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1699904443, now seen corresponding path program 1 times [2019-10-22 11:27:20,369 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:20,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674908863] [2019-10-22 11:27:20,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:20,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674908863] [2019-10-22 11:27:20,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:20,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:20,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822797144] [2019-10-22 11:27:20,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:20,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:20,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:20,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:20,435 INFO L87 Difference]: Start difference. First operand 250 states and 344 transitions. Second operand 4 states. [2019-10-22 11:27:20,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:20,490 INFO L93 Difference]: Finished difference Result 544 states and 742 transitions. [2019-10-22 11:27:20,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:20,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 11:27:20,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:20,492 INFO L225 Difference]: With dead ends: 544 [2019-10-22 11:27:20,492 INFO L226 Difference]: Without dead ends: 300 [2019-10-22 11:27:20,493 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 11:27:20,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-22 11:27:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 209. [2019-10-22 11:27:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-22 11:27:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2019-10-22 11:27:20,515 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 33 [2019-10-22 11:27:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:20,515 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2019-10-22 11:27:20,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2019-10-22 11:27:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:27:20,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:20,516 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 11:27:20,516 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:20,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1822472183, now seen corresponding path program 1 times [2019-10-22 11:27:20,517 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:20,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217660211] [2019-10-22 11:27:20,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:20,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217660211] [2019-10-22 11:27:20,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:20,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:20,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298534660] [2019-10-22 11:27:20,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:20,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:20,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:20,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:20,621 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand 5 states. [2019-10-22 11:27:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:20,858 INFO L93 Difference]: Finished difference Result 1093 states and 1472 transitions. [2019-10-22 11:27:20,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:27:20,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:27:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:20,861 INFO L225 Difference]: With dead ends: 1093 [2019-10-22 11:27:20,862 INFO L226 Difference]: Without dead ends: 890 [2019-10-22 11:27:20,863 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 11:27:20,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2019-10-22 11:27:20,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 398. [2019-10-22 11:27:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-22 11:27:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2019-10-22 11:27:20,900 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2019-10-22 11:27:20,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:20,900 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2019-10-22 11:27:20,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2019-10-22 11:27:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:27:20,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:20,901 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 11:27:20,901 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:20,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:20,902 INFO L82 PathProgramCache]: Analyzing trace with hash 939478607, now seen corresponding path program 1 times [2019-10-22 11:27:20,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:20,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455714400] [2019-10-22 11:27:20,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:20,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:20,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455714400] [2019-10-22 11:27:20,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:20,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:20,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72214849] [2019-10-22 11:27:20,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:20,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:20,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:20,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:20,965 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand 6 states. [2019-10-22 11:27:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:21,255 INFO L93 Difference]: Finished difference Result 1430 states and 1900 transitions. [2019-10-22 11:27:21,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:27:21,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 11:27:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:21,260 INFO L225 Difference]: With dead ends: 1430 [2019-10-22 11:27:21,260 INFO L226 Difference]: Without dead ends: 1038 [2019-10-22 11:27:21,261 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:27:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2019-10-22 11:27:21,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 398. [2019-10-22 11:27:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-22 11:27:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2019-10-22 11:27:21,302 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2019-10-22 11:27:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:21,303 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2019-10-22 11:27:21,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2019-10-22 11:27:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:27:21,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:21,304 INFO L380 BasicCegarLoop]: trace histogram [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 11:27:21,304 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:21,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:21,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1806093559, now seen corresponding path program 1 times [2019-10-22 11:27:21,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:21,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301597558] [2019-10-22 11:27:21,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:21,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:21,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:27:21,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301597558] [2019-10-22 11:27:21,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:21,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:21,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621931308] [2019-10-22 11:27:21,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:21,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:21,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:21,343 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand 3 states. [2019-10-22 11:27:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:21,397 INFO L93 Difference]: Finished difference Result 486 states and 630 transitions. [2019-10-22 11:27:21,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:21,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-22 11:27:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:21,398 INFO L225 Difference]: With dead ends: 486 [2019-10-22 11:27:21,398 INFO L226 Difference]: Without dead ends: 198 [2019-10-22 11:27:21,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:21,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-10-22 11:27:21,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2019-10-22 11:27:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-10-22 11:27:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 247 transitions. [2019-10-22 11:27:21,417 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 247 transitions. Word has length 52 [2019-10-22 11:27:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:21,417 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 247 transitions. [2019-10-22 11:27:21,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 247 transitions. [2019-10-22 11:27:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:27:21,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:21,419 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] [2019-10-22 11:27:21,419 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:21,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:21,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1267756066, now seen corresponding path program 1 times [2019-10-22 11:27:21,420 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:21,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659916492] [2019-10-22 11:27:21,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:21,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:21,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:27:21,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659916492] [2019-10-22 11:27:21,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:21,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:21,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678624991] [2019-10-22 11:27:21,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:21,477 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:21,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:21,477 INFO L87 Difference]: Start difference. First operand 198 states and 247 transitions. Second operand 6 states. [2019-10-22 11:27:21,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:21,671 INFO L93 Difference]: Finished difference Result 497 states and 619 transitions. [2019-10-22 11:27:21,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:27:21,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-22 11:27:21,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:21,672 INFO L225 Difference]: With dead ends: 497 [2019-10-22 11:27:21,672 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:21,673 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:27:21,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:21,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-22 11:27:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:21,674 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:21,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:21,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:21,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:21,828 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2019-10-22 11:27:22,174 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 140 [2019-10-22 11:27:22,298 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2019-10-22 11:27:22,521 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 128 [2019-10-22 11:27:22,659 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2019-10-22 11:27:22,908 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2019-10-22 11:27:23,103 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-10-22 11:27:23,340 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 135 [2019-10-22 11:27:23,781 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-10-22 11:27:24,119 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2019-10-22 11:27:24,864 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2019-10-22 11:27:25,052 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 16 [2019-10-22 11:27:25,602 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 26 [2019-10-22 11:27:25,781 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 16 [2019-10-22 11:27:26,307 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2019-10-22 11:27:26,555 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2019-10-22 11:27:26,862 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 14 [2019-10-22 11:27:27,285 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2019-10-22 11:27:27,301 INFO L439 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse8 .cse7)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse5 (and .cse6 .cse8 .cse7)) (.cse2 (<= 0 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (and .cse0 .cse4) .cse3) (and .cse5 .cse4) (and .cse6 .cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse7 .cse2) (and .cse1 .cse5 .cse2)))) [2019-10-22 11:27:27,301 INFO L439 ceAbstractionStarter]: At program point L235-1(lines 235 241) the Hoare annotation is: false [2019-10-22 11:27:27,301 INFO L439 ceAbstractionStarter]: At program point L235-2(lines 235 241) the Hoare annotation is: false [2019-10-22 11:27:27,301 INFO L439 ceAbstractionStarter]: At program point L103(lines 1 959) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L205-3(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,301 INFO L443 ceAbstractionStarter]: For program point L205-4(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L205-5(lines 205 211) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L73-2(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 144) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-5(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-8(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-9(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,302 INFO L443 ceAbstractionStarter]: For program point L405-11(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L443 ceAbstractionStarter]: For program point L405-12(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L443 ceAbstractionStarter]: For program point L405-14(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L443 ceAbstractionStarter]: For program point L405-15(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L443 ceAbstractionStarter]: For program point L405-17(lines 405 409) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L210(lines 201 214) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L210-1(lines 201 214) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L210-2(lines 201 214) the Hoare annotation is: false [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L111(lines 106 114) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L210-3(lines 201 214) the Hoare annotation is: false [2019-10-22 11:27:27,303 INFO L439 ceAbstractionStarter]: At program point L210-4(lines 201 214) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L210-5(lines 201 214) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L443 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2019-10-22 11:27:27,304 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411(lines 396 414) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411-1(lines 396 414) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411-2(lines 396 414) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411-3(lines 396 414) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411-4(lines 396 414) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L439 ceAbstractionStarter]: At program point L411-5(lines 396 414) the Hoare annotation is: false [2019-10-22 11:27:27,304 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L478-1(lines 228 234) the Hoare annotation is: (let ((.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse5)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse6) (and (and .cse0 .cse4 .cse6) .cse2) (and (and .cse3 .cse5) .cse1)))) [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347(lines 340 350) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 (<= 0 ~methaneLevelCritical~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-1(lines 340 350) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-2(lines 340 350) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-3(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-4(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-5(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-6(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-7(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L347-8(lines 340 350) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L439 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: false [2019-10-22 11:27:27,305 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 959) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 1 ~systemActive~0)) (.cse9 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse2 (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1))) (.cse11 (and .cse8 .cse6)) (.cse3 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse7 (<= 0 ~methaneLevelCritical~0)) (.cse12 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 (and .cse0 (= 1 ~waterLevel~0) .cse8 .cse6) .cse7) (and (and .cse0 .cse8 .cse6) .cse9 .cse10) (and (and .cse11 .cse9 .cse10) .cse12) (and (and .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse7) .cse12)))) [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 959) the Hoare annotation is: false [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 959) the Hoare annotation is: false [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 156) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,306 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 228 234) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L286-1(lines 286 303) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L286-2(lines 286 303) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L446 ceAbstractionStarter]: At program point L947-1(lines 947 954) the Hoare annotation is: true [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L439 ceAbstractionStarter]: At program point L452-1(lines 452 458) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse8 (and .cse0 .cse13 .cse6)) (.cse9 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse2 (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1))) (.cse11 (and .cse13 .cse6)) (.cse3 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse7 (<= 0 ~methaneLevelCritical~0)) (.cse12 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse7) (and .cse8 .cse9 .cse10) (and (and .cse11 .cse9 .cse10) .cse12) (and (and .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse7) .cse12)))) [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L439 ceAbstractionStarter]: At program point L419-1(lines 419 425) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 (= 1 ~methaneLevelCritical~0)) (and (<= ~methaneLevelCritical~0 0) .cse0 (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,307 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L322-4(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L322-6(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L322-8(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L322-10(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L439 ceAbstractionStarter]: At program point L356(lines 351 359) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and (and (= 1 ~systemActive~0) .cse0 .cse2 .cse3) .cse1 .cse4))) [2019-10-22 11:27:27,308 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 351 359) the Hoare annotation is: false [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L439 ceAbstractionStarter]: At program point L356-2(lines 351 359) the Hoare annotation is: false [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 290 298) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L290-2(lines 290 298) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L439 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: false [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L260-1(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L260-2(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,308 INFO L443 ceAbstractionStarter]: For program point L260-3(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L260-4(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L260-5(lines 260 277) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L128-6(lines 128 132) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L439 ceAbstractionStarter]: At program point L228(lines 227 246) the Hoare annotation is: (let ((.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse5)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse6) (and (and .cse0 .cse4 .cse6) .cse2) (and (and .cse3 .cse5) .cse1)))) [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 228 234) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L439 ceAbstractionStarter]: At program point L228-2(lines 227 246) the Hoare annotation is: false [2019-10-22 11:27:27,309 INFO L439 ceAbstractionStarter]: At program point L228-3(lines 227 246) the Hoare annotation is: false [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L446 ceAbstractionStarter]: At program point L956(lines 937 959) the Hoare annotation is: true [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:27,309 INFO L439 ceAbstractionStarter]: At program point L924(lines 920 926) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,309 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L439 ceAbstractionStarter]: At program point L462-1(lines 462 468) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= ~methaneLevelCritical~0 0)) (.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 0) .cse2)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse1 .cse4 .cse3) .cse5) (and (and .cse0 .cse2) .cse6) (and (and .cse4 .cse6) .cse5)))) [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264-1(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L439 ceAbstractionStarter]: At program point L165(lines 160 168) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 (<= 0 ~methaneLevelCritical~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264-3(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L439 ceAbstractionStarter]: At program point L165-1(lines 160 168) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264-4(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,310 INFO L439 ceAbstractionStarter]: At program point L165-2(lines 160 168) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:27:27,310 INFO L443 ceAbstractionStarter]: For program point L264-5(lines 264 272) no Hoare annotation was computed. [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-3(lines 160 168) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= ~methaneLevelCritical~0 0)) (.cse2 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse0 (and .cse9 .cse7)) (.cse8 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse8 (and .cse6 .cse9 .cse7) .cse10) (and .cse0 .cse8 .cse10 .cse5)))) [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-4(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-5(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-6(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-7(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-8(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-9(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-10(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L439 ceAbstractionStarter]: At program point L165-11(lines 160 168) the Hoare annotation is: false [2019-10-22 11:27:27,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-22 11:27:27,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:27 BoogieIcfgContainer [2019-10-22 11:27:27,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:27,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:27,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:27,343 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:27,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:18" (3/4) ... [2019-10-22 11:27:27,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:27,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:27,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:27:27,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:27:27,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:27,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:27,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:27,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((methaneLevelCritical <= 0 && ((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((((((methaneLevelCritical <= 0 && 0 < tmp + 1) && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) [2019-10-22 11:27:27,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((((((methaneLevelCritical <= 0 && 0 < tmp + 1) && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) [2019-10-22 11:27:27,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:27:27,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-10-22 11:27:27,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((1 == \result && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:27:27,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 == \result && 1 == systemActive && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) [2019-10-22 11:27:27,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) [2019-10-22 11:27:27,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical [2019-10-22 11:27:27,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:27:27,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical [2019-10-22 11:27:27,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:27:27,407 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical [2019-10-22 11:27:27,407 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical [2019-10-22 11:27:27,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a20b2f8a-defc-48a7-9026-c16ceb931c41/bin/utaipan/witness.graphml [2019-10-22 11:27:27,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:27,471 INFO L168 Benchmark]: Toolchain (without parser) took 10197.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.1 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 237.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,471 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:27,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -260.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:27,472 INFO L168 Benchmark]: Boogie Preprocessor took 43.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,472 INFO L168 Benchmark]: RCFGBuilder took 974.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,472 INFO L168 Benchmark]: TraceAbstraction took 8433.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.8 MB). Peak memory consumption was 368.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,472 INFO L168 Benchmark]: Witness Printer took 127.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:27,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -260.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 974.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8433.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.8 MB). Peak memory consumption was 368.4 MB. Max. memory is 11.5 GB. * Witness Printer took 127.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 73]: 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: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((methaneLevelCritical <= 0 && ((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((((((methaneLevelCritical <= 0 && 0 < tmp + 1) && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 == \result && 1 == systemActive && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((1 == \result && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((methaneLevelCritical <= 0 && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= methaneLevelCritical) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && methaneLevelCritical <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((((((methaneLevelCritical <= 0 && 0 < tmp + 1) && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((methaneLevelCritical <= 0 && pumpRunning == 0 && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && methaneLevelCritical <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && 0 == systemActive)) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 1372 SDtfs, 1653 SDslu, 2302 SDs, 0 SdLazy, 354 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=9, 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, 1655 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 240 NumberOfFragments, 1012 HoareAnnotationTreeSize, 56 FomulaSimplifications, 358665 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 91774 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 366 ConstructedInterpolants, 0 QuantifiedInterpolants, 24990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 27/27 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...