./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.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_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42f057e1184787910edaa7abcd242178a9de26a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:56:31,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:31,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:31,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:31,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:31,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:31,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:31,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:31,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:31,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:31,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:31,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:31,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:31,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:31,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:31,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:31,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:31,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:31,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:31,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:31,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:31,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:31,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:31,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:31,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:31,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:31,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:31,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:31,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:31,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:31,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:31,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:31,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:31,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:31,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:31,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:31,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:31,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:31,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:31,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:31,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:31,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:31,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:31,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:31,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:31,575 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:31,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:31,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:31,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:31,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:31,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:31,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:31,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:31,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:31,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:31,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:31,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:31,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:31,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:31,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer 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 -> Automizer 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 -> 42f057e1184787910edaa7abcd242178a9de26a8 [2019-10-22 08:56:31,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:31,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:31,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:31,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:31,627 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:31,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-10-22 08:56:31,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/data/00f346aee/e6b40d0ad7824edab733a9272df677ca/FLAG453e4d5f5 [2019-10-22 08:56:32,073 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:32,074 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2019-10-22 08:56:32,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/data/00f346aee/e6b40d0ad7824edab733a9272df677ca/FLAG453e4d5f5 [2019-10-22 08:56:32,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/data/00f346aee/e6b40d0ad7824edab733a9272df677ca [2019-10-22 08:56:32,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:32,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:32,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:32,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:32,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:32,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b71e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32, skipping insertion in model container [2019-10-22 08:56:32,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:32,158 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:32,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:32,488 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:32,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:32,606 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:32,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32 WrapperNode [2019-10-22 08:56:32,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:32,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:32,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:32,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:32,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:32,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:32,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:32,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:32,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... [2019-10-22 08:56:32,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:32,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:32,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:32,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:32,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/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 08:56:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:33,333 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:33,333 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 08:56:33,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33 BoogieIcfgContainer [2019-10-22 08:56:33,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:33,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:33,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:33,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:33,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:32" (1/3) ... [2019-10-22 08:56:33,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309349ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:33, skipping insertion in model container [2019-10-22 08:56:33,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:32" (2/3) ... [2019-10-22 08:56:33,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309349ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:33, skipping insertion in model container [2019-10-22 08:56:33,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33" (3/3) ... [2019-10-22 08:56:33,342 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2019-10-22 08:56:33,352 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:33,360 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:33,370 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:33,392 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:33,392 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:33,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:33,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:33,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:33,395 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:33,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:33,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-22 08:56:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:56:33,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,421 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,423 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2019-10-22 08:56:33,439 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922035085] [2019-10-22 08:56:33,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,636 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 08:56:33,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922035085] [2019-10-22 08:56:33,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:33,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644190884] [2019-10-22 08:56:33,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:33,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:33,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:33,651 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-10-22 08:56:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,670 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-10-22 08:56:33,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:33,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:56:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,680 INFO L225 Difference]: With dead ends: 119 [2019-10-22 08:56:33,680 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 08:56:33,683 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 08:56:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 08:56:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 08:56:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:56:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-10-22 08:56:33,719 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-10-22 08:56:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,719 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-10-22 08:56:33,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 08:56:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:33,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,720 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:33,720 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,721 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2019-10-22 08:56:33,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089795916] [2019-10-22 08:56:33,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,722 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,802 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 08:56:33,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089795916] [2019-10-22 08:56:33,803 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,803 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:33,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776659547] [2019-10-22 08:56:33,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:33,805 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:33,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:33,805 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2019-10-22 08:56:33,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,814 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-10-22 08:56:33,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:33,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:56:33,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,815 INFO L225 Difference]: With dead ends: 59 [2019-10-22 08:56:33,816 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:56:33,816 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 08:56:33,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:56:33,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-10-22 08:56:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 08:56:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-10-22 08:56:33,821 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-10-22 08:56:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,821 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-10-22 08:56:33,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-10-22 08:56:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:33,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,822 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 08:56:33,822 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2019-10-22 08:56:33,823 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144773668] [2019-10-22 08:56:33,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,896 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 08:56:33,897 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144773668] [2019-10-22 08:56:33,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:33,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:33,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841542733] [2019-10-22 08:56:33,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:33,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:33,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:33,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:33,898 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2019-10-22 08:56:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:33,912 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2019-10-22 08:56:33,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:33,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:56:33,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:33,914 INFO L225 Difference]: With dead ends: 79 [2019-10-22 08:56:33,914 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 08:56:33,914 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 08:56:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 08:56:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2019-10-22 08:56:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 08:56:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-10-22 08:56:33,924 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2019-10-22 08:56:33,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:33,925 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-10-22 08:56:33,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-10-22 08:56:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:33,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:33,926 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 08:56:33,926 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:33,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,927 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2019-10-22 08:56:33,927 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:33,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135063992] [2019-10-22 08:56:33,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:33,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,023 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 08:56:34,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135063992] [2019-10-22 08:56:34,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:34,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:34,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561892100] [2019-10-22 08:56:34,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:34,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:34,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:34,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:34,025 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2019-10-22 08:56:34,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:34,169 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2019-10-22 08:56:34,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:34,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:56:34,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:34,176 INFO L225 Difference]: With dead ends: 219 [2019-10-22 08:56:34,176 INFO L226 Difference]: Without dead ends: 175 [2019-10-22 08:56:34,177 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 08:56:34,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-22 08:56:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2019-10-22 08:56:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 08:56:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2019-10-22 08:56:34,199 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2019-10-22 08:56:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:34,199 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2019-10-22 08:56:34,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2019-10-22 08:56:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:56:34,200 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:34,200 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 08:56:34,201 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:34,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2019-10-22 08:56:34,201 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:34,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223726359] [2019-10-22 08:56:34,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:34,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:34,311 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 08:56:34,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223726359] [2019-10-22 08:56:34,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:34,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:34,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637085622] [2019-10-22 08:56:34,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:34,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:34,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:34,313 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2019-10-22 08:56:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:34,386 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2019-10-22 08:56:34,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:34,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:56:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:34,388 INFO L225 Difference]: With dead ends: 271 [2019-10-22 08:56:34,388 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:34,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:56:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:34,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 08:56:34,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:34,390 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:34,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:34,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:34,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:34,635 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:34,636 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-22 08:56:34,636 INFO L439 ceAbstractionStarter]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,636 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-22 08:56:34,636 INFO L439 ceAbstractionStarter]: At program point L468(lines 468 474) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,636 INFO L439 ceAbstractionStarter]: At program point L468-1(lines 468 474) the Hoare annotation is: false [2019-10-22 08:56:34,637 INFO L439 ceAbstractionStarter]: At program point L468-2(lines 468 474) the Hoare annotation is: false [2019-10-22 08:56:34,637 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-22 08:56:34,637 INFO L439 ceAbstractionStarter]: At program point L617-1(lines 617 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,637 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,637 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:34,637 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,638 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,638 INFO L443 ceAbstractionStarter]: For program point L668-2(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,638 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:34,639 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 723) no Hoare annotation was computed. [2019-10-22 08:56:34,639 INFO L443 ceAbstractionStarter]: For program point L719-3(lines 719 723) no Hoare annotation was computed. [2019-10-22 08:56:34,639 INFO L443 ceAbstractionStarter]: For program point L719-6(lines 719 723) no Hoare annotation was computed. [2019-10-22 08:56:34,639 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 650) no Hoare annotation was computed. [2019-10-22 08:56:34,639 INFO L439 ceAbstractionStarter]: At program point L538(lines 533 541) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,639 INFO L439 ceAbstractionStarter]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-10-22 08:56:34,639 INFO L439 ceAbstractionStarter]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-10-22 08:56:34,640 INFO L446 ceAbstractionStarter]: At program point L885(lines 866 888) the Hoare annotation is: true [2019-10-22 08:56:34,640 INFO L439 ceAbstractionStarter]: At program point L852(lines 848 854) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:34,640 INFO L439 ceAbstractionStarter]: At program point L655(lines 606 656) the Hoare annotation is: false [2019-10-22 08:56:34,640 INFO L439 ceAbstractionStarter]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2019-10-22 08:56:34,640 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:34,640 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,641 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-22 08:56:34,641 INFO L439 ceAbstractionStarter]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,641 INFO L439 ceAbstractionStarter]: At program point L756-1(lines 751 759) the Hoare annotation is: false [2019-10-22 08:56:34,641 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-22 08:56:34,641 INFO L439 ceAbstractionStarter]: At program point L756-2(lines 751 759) the Hoare annotation is: false [2019-10-22 08:56:34,641 INFO L439 ceAbstractionStarter]: At program point L690-1(lines 1 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,642 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-10-22 08:56:34,642 INFO L439 ceAbstractionStarter]: At program point L690-3(lines 1 888) the Hoare annotation is: false [2019-10-22 08:56:34,642 INFO L443 ceAbstractionStarter]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2019-10-22 08:56:34,644 INFO L439 ceAbstractionStarter]: At program point L690-5(lines 1 888) the Hoare annotation is: false [2019-10-22 08:56:34,644 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 654) no Hoare annotation was computed. [2019-10-22 08:56:34,644 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-10-22 08:56:34,645 INFO L439 ceAbstractionStarter]: At program point L461(lines 460 479) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,645 INFO L443 ceAbstractionStarter]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2019-10-22 08:56:34,645 INFO L439 ceAbstractionStarter]: At program point L461-2(lines 460 479) the Hoare annotation is: false [2019-10-22 08:56:34,645 INFO L439 ceAbstractionStarter]: At program point L461-3(lines 460 479) the Hoare annotation is: false [2019-10-22 08:56:34,645 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-22 08:56:34,645 INFO L443 ceAbstractionStarter]: For program point L808-1(lines 461 467) no Hoare annotation was computed. [2019-10-22 08:56:34,645 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-22 08:56:34,646 INFO L439 ceAbstractionStarter]: At program point L643-1(lines 461 467) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,646 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:34,646 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:34,646 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-22 08:56:34,646 INFO L439 ceAbstractionStarter]: At program point L627-1(lines 627 633) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:56:34,646 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 747) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 704) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 704) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point L694-4(lines 694 704) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-10-22 08:56:34,647 INFO L446 ceAbstractionStarter]: At program point L876-1(lines 876 883) the Hoare annotation is: true [2019-10-22 08:56:34,647 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-10-22 08:56:34,648 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 701) no Hoare annotation was computed. [2019-10-22 08:56:34,648 INFO L443 ceAbstractionStarter]: For program point L695-4(lines 695 701) no Hoare annotation was computed. [2019-10-22 08:56:34,648 INFO L439 ceAbstractionStarter]: At program point L679(lines 674 681) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:56:34,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:34 BoogieIcfgContainer [2019-10-22 08:56:34,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:34,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:34,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:34,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:34,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:33" (3/4) ... [2019-10-22 08:56:34,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:34,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:56:34,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:56:34,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:56:34,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:34,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:34,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:34,724 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:56:34,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_265025b6-c565-43d9-8413-5859653d6deb/bin/uautomizer/witness.graphml [2019-10-22 08:56:34,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:34,789 INFO L168 Benchmark]: Toolchain (without parser) took 2678.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 939.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,790 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:34,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,792 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,792 INFO L168 Benchmark]: RCFGBuilder took 649.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,793 INFO L168 Benchmark]: TraceAbstraction took 1333.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,793 INFO L168 Benchmark]: Witness Printer took 117.94 ms. Allocated memory is still 1.2 GB. Free memory was 945.2 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:34,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 495.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 649.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1333.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 117.94 ms. Allocated memory is still 1.2 GB. Free memory was 945.2 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 668]: 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: 461]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 287 SDtfs, 256 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...