./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/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 e10040ad9d006089566ac73bab5ec598c71c2723 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:56:58,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:58,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:58,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:58,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:58,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:58,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:58,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:58,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:58,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:58,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:58,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:58,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:58,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:58,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:58,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:58,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:58,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:58,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:58,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:58,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:58,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:58,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:58,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:58,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:58,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:58,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:58,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:58,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:58,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:58,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:58,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:58,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:58,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:58,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:58,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:58,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:58,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:58,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:58,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:58,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:58,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:58,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:58,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:58,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:58,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:58,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:58,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:58,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:58,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:58,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:58,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:58,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:58,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:58,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:58,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:58,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:58,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:58,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:58,544 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_80193fac-b5e8-4b84-b38e-1bbbc648bb01/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2019-10-22 08:56:58,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:58,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:58,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:58,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:58,594 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:58,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-10-22 08:56:58,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/data/30308c831/8c2c1df8338a46f8a6e485701cb9cbfb/FLAG1eedb4ef4 [2019-10-22 08:56:59,098 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:59,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2019-10-22 08:56:59,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/data/30308c831/8c2c1df8338a46f8a6e485701cb9cbfb/FLAG1eedb4ef4 [2019-10-22 08:56:59,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/data/30308c831/8c2c1df8338a46f8a6e485701cb9cbfb [2019-10-22 08:56:59,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:59,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:59,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:59,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:59,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:59,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59, skipping insertion in model container [2019-10-22 08:56:59,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:59,186 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:59,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:59,530 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:59,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:59,649 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:59,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59 WrapperNode [2019-10-22 08:56:59,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:59,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:59,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:59,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:59,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:59,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:59,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:59,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:59,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... [2019-10-22 08:56:59,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:59,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:59,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:59,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:59,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/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 08:56:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:00,451 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:00,451 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 08:57:00,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:00 BoogieIcfgContainer [2019-10-22 08:57:00,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:00,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:00,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:00,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:00,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:59" (1/3) ... [2019-10-22 08:57:00,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6740b94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:00, skipping insertion in model container [2019-10-22 08:57:00,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:59" (2/3) ... [2019-10-22 08:57:00,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6740b94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:00, skipping insertion in model container [2019-10-22 08:57:00,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:00" (3/3) ... [2019-10-22 08:57:00,460 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2019-10-22 08:57:00,469 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:00,475 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:57:00,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:57:00,502 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:00,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:00,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:00,503 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:00,503 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:00,503 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:00,503 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:00,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2019-10-22 08:57:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:57:00,524 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:00,524 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 08:57:00,526 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:00,531 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2019-10-22 08:57:00,540 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:00,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810677351] [2019-10-22 08:57:00,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:00,726 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 08:57:00,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810677351] [2019-10-22 08:57:00,728 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:00,728 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:00,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019483483] [2019-10-22 08:57:00,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:57:00,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:00,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:57:00,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:57:00,748 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2019-10-22 08:57:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:00,772 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2019-10-22 08:57:00,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:00,773 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:57:00,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:00,784 INFO L225 Difference]: With dead ends: 151 [2019-10-22 08:57:00,784 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 08:57:00,787 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 08:57:00,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 08:57:00,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-10-22 08:57:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 08:57:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-10-22 08:57:00,824 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2019-10-22 08:57:00,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:00,824 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-10-22 08:57:00,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:57:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-10-22 08:57:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:57:00,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:00,825 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 08:57:00,825 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:00,826 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2019-10-22 08:57:00,826 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:00,826 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310689474] [2019-10-22 08:57:00,826 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,826 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:00,901 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 08:57:00,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310689474] [2019-10-22 08:57:00,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:00,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:00,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094422874] [2019-10-22 08:57:00,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:00,903 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:00,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:00,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:00,904 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-10-22 08:57:00,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:00,913 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2019-10-22 08:57:00,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:00,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:57:00,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:00,915 INFO L225 Difference]: With dead ends: 75 [2019-10-22 08:57:00,915 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 08:57:00,916 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 08:57:00,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 08:57:00,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 08:57:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 08:57:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 08:57:00,920 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-10-22 08:57:00,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:00,921 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 08:57:00,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 08:57:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:57:00,922 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:00,922 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 08:57:00,922 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:00,923 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2019-10-22 08:57:00,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:00,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402581007] [2019-10-22 08:57:00,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:00,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:00,983 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 08:57:00,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402581007] [2019-10-22 08:57:00,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:00,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:00,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228780728] [2019-10-22 08:57:00,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:00,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:00,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:00,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:00,985 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-10-22 08:57:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:01,006 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2019-10-22 08:57:01,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:01,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:57:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:01,008 INFO L225 Difference]: With dead ends: 63 [2019-10-22 08:57:01,008 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 08:57:01,009 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 08:57:01,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 08:57:01,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 08:57:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 08:57:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-10-22 08:57:01,013 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-10-22 08:57:01,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:01,013 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-10-22 08:57:01,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-10-22 08:57:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:01,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:01,014 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 08:57:01,014 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:01,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2019-10-22 08:57:01,015 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:01,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174188960] [2019-10-22 08:57:01,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,114 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 08:57:01,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174188960] [2019-10-22 08:57:01,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:01,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:01,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037324026] [2019-10-22 08:57:01,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:01,116 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:01,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:01,116 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-10-22 08:57:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:01,242 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2019-10-22 08:57:01,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:57:01,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:57:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:01,245 INFO L225 Difference]: With dead ends: 154 [2019-10-22 08:57:01,245 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 08:57:01,246 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 08:57:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 08:57:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2019-10-22 08:57:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-10-22 08:57:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2019-10-22 08:57:01,256 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2019-10-22 08:57:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:01,256 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2019-10-22 08:57:01,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-10-22 08:57:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:57:01,257 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:01,257 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] [2019-10-22 08:57:01,257 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:01,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:01,258 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2019-10-22 08:57:01,258 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:01,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489973053] [2019-10-22 08:57:01,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:01,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:01,345 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 08:57:01,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489973053] [2019-10-22 08:57:01,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:01,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:01,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937653914] [2019-10-22 08:57:01,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:01,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:01,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:01,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:01,348 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2019-10-22 08:57:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:01,402 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2019-10-22 08:57:01,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:01,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 08:57:01,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:01,403 INFO L225 Difference]: With dead ends: 150 [2019-10-22 08:57:01,403 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:01,404 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 08:57:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:01,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 08:57:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:01,405 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:01,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:01,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:01,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:01,615 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-10-22 08:57:01,616 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2019-10-22 08:57:01,616 INFO L439 ceAbstractionStarter]: At program point L234-1(lines 234 240) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,616 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 905) no Hoare annotation was computed. [2019-10-22 08:57:01,616 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:01,616 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 905) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L443 ceAbstractionStarter]: For program point L895-4(lines 895 905) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 902) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 896 902) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L443 ceAbstractionStarter]: For program point L896-4(lines 896 902) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 375) no Hoare annotation was computed. [2019-10-22 08:57:01,617 INFO L439 ceAbstractionStarter]: At program point L880(lines 875 882) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:01,617 INFO L446 ceAbstractionStarter]: At program point L368-1(lines 368 375) the Hoare annotation is: true [2019-10-22 08:57:01,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,618 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 267) no Hoare annotation was computed. [2019-10-22 08:57:01,618 INFO L439 ceAbstractionStarter]: At program point L502(lines 497 505) the Hoare annotation is: false [2019-10-22 08:57:01,618 INFO L439 ceAbstractionStarter]: At program point L502-1(lines 497 505) the Hoare annotation is: false [2019-10-22 08:57:01,618 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 440) no Hoare annotation was computed. [2019-10-22 08:57:01,618 INFO L439 ceAbstractionStarter]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2019-10-22 08:57:01,618 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-10-22 08:57:01,619 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 90 107) no Hoare annotation was computed. [2019-10-22 08:57:01,619 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 107) no Hoare annotation was computed. [2019-10-22 08:57:01,622 INFO L439 ceAbstractionStarter]: At program point L404(lines 1 920) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:01,622 INFO L439 ceAbstractionStarter]: At program point L272(lines 223 273) the Hoare annotation is: false [2019-10-22 08:57:01,622 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,622 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:01,622 INFO L439 ceAbstractionStarter]: At program point L58(lines 57 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,624 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 58 64) no Hoare annotation was computed. [2019-10-22 08:57:01,625 INFO L439 ceAbstractionStarter]: At program point L58-2(lines 57 76) the Hoare annotation is: false [2019-10-22 08:57:01,626 INFO L439 ceAbstractionStarter]: At program point L58-3(lines 57 76) the Hoare annotation is: false [2019-10-22 08:57:01,626 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,626 INFO L443 ceAbstractionStarter]: For program point L917-1(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,627 INFO L443 ceAbstractionStarter]: For program point L917-2(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,627 INFO L439 ceAbstractionStarter]: At program point L340(lines 336 342) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:01,627 INFO L443 ceAbstractionStarter]: For program point L225(lines 224 271) no Hoare annotation was computed. [2019-10-22 08:57:01,627 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,627 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,627 INFO L443 ceAbstractionStarter]: For program point L192-3(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,628 INFO L443 ceAbstractionStarter]: For program point L192-5(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,628 INFO L443 ceAbstractionStarter]: For program point L192-6(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,628 INFO L443 ceAbstractionStarter]: For program point L192-8(lines 192 196) no Hoare annotation was computed. [2019-10-22 08:57:01,628 INFO L439 ceAbstractionStarter]: At program point L143(lines 138 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,628 INFO L439 ceAbstractionStarter]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2019-10-22 08:57:01,628 INFO L439 ceAbstractionStarter]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2019-10-22 08:57:01,628 INFO L443 ceAbstractionStarter]: For program point L424(lines 424 428) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point L424-3(lines 424 428) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point L424-6(lines 424 428) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L439 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: false [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-10-22 08:57:01,629 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 94 102) no Hoare annotation was computed. [2019-10-22 08:57:01,630 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:01,630 INFO L443 ceAbstractionStarter]: For program point L94-2(lines 94 102) no Hoare annotation was computed. [2019-10-22 08:57:01,630 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-22 08:57:01,630 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2019-10-22 08:57:01,630 INFO L439 ceAbstractionStarter]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,630 INFO L446 ceAbstractionStarter]: At program point L377(lines 358 380) the Hoare annotation is: true [2019-10-22 08:57:01,637 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-22 08:57:01,637 INFO L439 ceAbstractionStarter]: At program point L262-2(lines 58 64) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,637 INFO L439 ceAbstractionStarter]: At program point L461(lines 456 464) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,637 INFO L439 ceAbstractionStarter]: At program point L461-1(lines 456 464) the Hoare annotation is: false [2019-10-22 08:57:01,637 INFO L439 ceAbstractionStarter]: At program point L461-2(lines 456 464) the Hoare annotation is: false [2019-10-22 08:57:01,638 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-10-22 08:57:01,638 INFO L443 ceAbstractionStarter]: For program point L296-1(lines 58 64) no Hoare annotation was computed. [2019-10-22 08:57:01,638 INFO L439 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,638 INFO L439 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: false [2019-10-22 08:57:01,638 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:57:01,638 INFO L439 ceAbstractionStarter]: At program point L65-2(lines 65 71) the Hoare annotation is: false [2019-10-22 08:57:01,638 INFO L439 ceAbstractionStarter]: At program point L412(lines 407 415) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:57:01,639 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 908) no Hoare annotation was computed. [2019-10-22 08:57:01,639 INFO L439 ceAbstractionStarter]: At program point L891-1(lines 1 920) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:57:01,639 INFO L443 ceAbstractionStarter]: For program point L891-2(lines 891 908) no Hoare annotation was computed. [2019-10-22 08:57:01,641 INFO L439 ceAbstractionStarter]: At program point L891-3(lines 1 920) the Hoare annotation is: false [2019-10-22 08:57:01,641 INFO L443 ceAbstractionStarter]: For program point L891-4(lines 891 908) no Hoare annotation was computed. [2019-10-22 08:57:01,641 INFO L439 ceAbstractionStarter]: At program point L891-5(lines 1 920) the Hoare annotation is: false [2019-10-22 08:57:01,642 INFO L439 ceAbstractionStarter]: At program point L198(lines 183 201) the Hoare annotation is: false [2019-10-22 08:57:01,642 INFO L439 ceAbstractionStarter]: At program point L198-1(lines 183 201) the Hoare annotation is: false [2019-10-22 08:57:01,642 INFO L439 ceAbstractionStarter]: At program point L198-2(lines 183 201) the Hoare annotation is: false [2019-10-22 08:57:01,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:01 BoogieIcfgContainer [2019-10-22 08:57:01,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:01,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:01,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:01,660 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:01,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:00" (3/4) ... [2019-10-22 08:57:01,664 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:01,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:57:01,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:57:01,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:57:01,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:01,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:01,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:57:01,719 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:57:01,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_80193fac-b5e8-4b84-b38e-1bbbc648bb01/bin/uautomizer/witness.graphml [2019-10-22 08:57:01,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:01,790 INFO L168 Benchmark]: Toolchain (without parser) took 2662.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.5 MB in the beginning and 935.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:01,790 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:01,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:01,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.19 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 08:57:01,792 INFO L168 Benchmark]: Boogie Preprocessor took 52.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:01,792 INFO L168 Benchmark]: RCFGBuilder took 663.52 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:01,793 INFO L168 Benchmark]: TraceAbstraction took 1206.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:01,793 INFO L168 Benchmark]: Witness Printer took 128.17 ms. Allocated memory is still 1.2 GB. Free memory was 940.8 MB in the beginning and 935.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:01,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 522.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.19 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. * Boogie Preprocessor took 52.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 663.52 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1206.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. * Witness Printer took 128.17 ms. Allocated memory is still 1.2 GB. Free memory was 940.8 MB in the beginning and 935.5 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: 917]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 917]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 917]: 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: 57]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 328 SDtfs, 297 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1289 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...