./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/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 77b70849cb3dcecd37b0edacca9651109dbc42ac ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:52,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:52,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:52,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:52,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:52,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:52,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:52,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:52,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:52,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:52,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:52,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:52,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:52,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:52,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:52,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:52,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:52,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:52,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:52,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:52,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:52,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:52,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:52,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:52,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:52,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:52,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:52,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:52,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:52,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:52,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:52,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:52,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:52,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:52,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:52,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:52,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:52,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:52,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:52,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:52,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:52,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:52,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:52,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:52,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:52,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:52,775 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:52,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:52,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:52,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:52,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:52,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:52,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:52,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:52,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:52,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:52,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:52,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:52,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:52,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:52,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:52,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:52,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:52,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:52,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:52,780 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_e92f2dce-93d5-46b5-98f7-e5eb2296a696/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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2019-10-22 08:59:52,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:52,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:52,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:52,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:52,839 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:52,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-10-22 08:59:52,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/data/fe1d3b68a/daf7f038c0d646afb355ec94597227b5/FLAG1613b828f [2019-10-22 08:59:53,404 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:53,407 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-10-22 08:59:53,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/data/fe1d3b68a/daf7f038c0d646afb355ec94597227b5/FLAG1613b828f [2019-10-22 08:59:53,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/data/fe1d3b68a/daf7f038c0d646afb355ec94597227b5 [2019-10-22 08:59:53,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:53,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:53,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:53,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:53,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:53,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:53" (1/1) ... [2019-10-22 08:59:53,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7f4574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:53, skipping insertion in model container [2019-10-22 08:59:53,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:53" (1/1) ... [2019-10-22 08:59:53,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:53,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:54,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:54,108 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:54,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:54,250 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:54,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54 WrapperNode [2019-10-22 08:59:54,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:54,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:54,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:54,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:54,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:54,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:54,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:54,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:54,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... [2019-10-22 08:59:54,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:54,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:54,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:54,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:54,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/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 08:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:55,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:55,354 INFO L284 CfgBuilder]: Removed 132 assume(true) statements. [2019-10-22 08:59:55,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:55 BoogieIcfgContainer [2019-10-22 08:59:55,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:55,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:55,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:55,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:55,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:53" (1/3) ... [2019-10-22 08:59:55,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49672f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:55, skipping insertion in model container [2019-10-22 08:59:55,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:54" (2/3) ... [2019-10-22 08:59:55,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49672f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:55, skipping insertion in model container [2019-10-22 08:59:55,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:55" (3/3) ... [2019-10-22 08:59:55,371 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2019-10-22 08:59:55,381 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:55,388 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:59:55,399 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:59:55,424 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:55,424 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:55,424 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:55,425 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:55,425 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:55,425 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:55,425 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:55,425 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-10-22 08:59:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:59:55,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:55,453 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 08:59:55,456 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:55,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:55,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2019-10-22 08:59:55,471 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:55,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681629365] [2019-10-22 08:59:55,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,472 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:55,689 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 08:59:55,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681629365] [2019-10-22 08:59:55,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:55,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:55,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539928919] [2019-10-22 08:59:55,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:59:55,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:55,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:59:55,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:59:55,712 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2019-10-22 08:59:55,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:55,742 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2019-10-22 08:59:55,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:55,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 08:59:55,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:55,756 INFO L225 Difference]: With dead ends: 189 [2019-10-22 08:59:55,756 INFO L226 Difference]: Without dead ends: 94 [2019-10-22 08:59:55,760 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 08:59:55,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-22 08:59:55,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-22 08:59:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 08:59:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2019-10-22 08:59:55,817 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2019-10-22 08:59:55,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:55,817 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2019-10-22 08:59:55,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:59:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2019-10-22 08:59:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:59:55,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:55,819 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] [2019-10-22 08:59:55,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:55,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:55,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2019-10-22 08:59:55,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:55,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610266930] [2019-10-22 08:59:55,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:55,915 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 08:59:55,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610266930] [2019-10-22 08:59:55,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:55,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:55,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706315628] [2019-10-22 08:59:55,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:55,918 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:55,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:55,918 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2019-10-22 08:59:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:55,931 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2019-10-22 08:59:55,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:55,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:59:55,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:55,933 INFO L225 Difference]: With dead ends: 94 [2019-10-22 08:59:55,933 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 08:59:55,934 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 08:59:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 08:59:55,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-22 08:59:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-22 08:59:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-10-22 08:59:55,940 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2019-10-22 08:59:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:55,940 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-10-22 08:59:55,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-10-22 08:59:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:59:55,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:55,942 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 08:59:55,942 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:55,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:55,942 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2019-10-22 08:59:55,943 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:55,943 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375579387] [2019-10-22 08:59:55,943 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,943 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:55,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,058 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 08:59:56,058 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375579387] [2019-10-22 08:59:56,059 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:56,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551090904] [2019-10-22 08:59:56,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:56,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:56,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:56,060 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 3 states. [2019-10-22 08:59:56,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:56,079 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2019-10-22 08:59:56,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:56,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:59:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:56,081 INFO L225 Difference]: With dead ends: 115 [2019-10-22 08:59:56,081 INFO L226 Difference]: Without dead ends: 79 [2019-10-22 08:59:56,082 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 08:59:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-22 08:59:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2019-10-22 08:59:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 08:59:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2019-10-22 08:59:56,093 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 26 [2019-10-22 08:59:56,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:56,093 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2019-10-22 08:59:56,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2019-10-22 08:59:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:59:56,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,095 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,095 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2019-10-22 08:59:56,095 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235843546] [2019-10-22 08:59:56,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,185 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 08:59:56,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235843546] [2019-10-22 08:59:56,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:56,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386712975] [2019-10-22 08:59:56,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:56,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:56,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:56,188 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand 3 states. [2019-10-22 08:59:56,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:56,288 INFO L93 Difference]: Finished difference Result 190 states and 279 transitions. [2019-10-22 08:59:56,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:56,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 08:59:56,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:56,290 INFO L225 Difference]: With dead ends: 190 [2019-10-22 08:59:56,291 INFO L226 Difference]: Without dead ends: 122 [2019-10-22 08:59:56,291 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 08:59:56,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-22 08:59:56,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-10-22 08:59:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-22 08:59:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2019-10-22 08:59:56,319 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 27 [2019-10-22 08:59:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:56,319 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2019-10-22 08:59:56,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2019-10-22 08:59:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 08:59:56,320 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,320 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,320 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,326 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2019-10-22 08:59:56,326 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424225338] [2019-10-22 08:59:56,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,327 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,412 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 08:59:56,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424225338] [2019-10-22 08:59:56,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,413 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:56,413 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958309590] [2019-10-22 08:59:56,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:56,414 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:56,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:56,415 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand 5 states. [2019-10-22 08:59:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:56,635 INFO L93 Difference]: Finished difference Result 435 states and 625 transitions. [2019-10-22 08:59:56,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:56,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-10-22 08:59:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:56,642 INFO L225 Difference]: With dead ends: 435 [2019-10-22 08:59:56,642 INFO L226 Difference]: Without dead ends: 322 [2019-10-22 08:59:56,644 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 08:59:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-10-22 08:59:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 118. [2019-10-22 08:59:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 08:59:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2019-10-22 08:59:56,688 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 29 [2019-10-22 08:59:56,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:56,689 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2019-10-22 08:59:56,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2019-10-22 08:59:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:59:56,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,692 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,692 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,692 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2019-10-22 08:59:56,693 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812454770] [2019-10-22 08:59:56,693 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,693 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,779 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 08:59:56,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812454770] [2019-10-22 08:59:56,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:56,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169815529] [2019-10-22 08:59:56,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:56,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:56,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:56,782 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand 5 states. [2019-10-22 08:59:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:56,852 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2019-10-22 08:59:56,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:59:56,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 08:59:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:56,854 INFO L225 Difference]: With dead ends: 321 [2019-10-22 08:59:56,854 INFO L226 Difference]: Without dead ends: 210 [2019-10-22 08:59:56,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:59:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-22 08:59:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 124. [2019-10-22 08:59:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-22 08:59:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2019-10-22 08:59:56,876 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 36 [2019-10-22 08:59:56,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:56,876 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2019-10-22 08:59:56,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2019-10-22 08:59:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:59:56,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:56,885 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:56,885 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:56,885 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2019-10-22 08:59:56,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:56,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457521938] [2019-10-22 08:59:56,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:56,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:56,973 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 08:59:56,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457521938] [2019-10-22 08:59:56,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:56,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:56,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805196756] [2019-10-22 08:59:56,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:56,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:56,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:56,975 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand 5 states. [2019-10-22 08:59:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,079 INFO L93 Difference]: Finished difference Result 348 states and 476 transitions. [2019-10-22 08:59:57,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:57,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 08:59:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,082 INFO L225 Difference]: With dead ends: 348 [2019-10-22 08:59:57,082 INFO L226 Difference]: Without dead ends: 231 [2019-10-22 08:59:57,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 08:59:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-22 08:59:57,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 128. [2019-10-22 08:59:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-22 08:59:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions. [2019-10-22 08:59:57,110 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 36 [2019-10-22 08:59:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,111 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions. [2019-10-22 08:59:57,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2019-10-22 08:59:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:59:57,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,113 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,113 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2019-10-22 08:59:57,114 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962535585] [2019-10-22 08:59:57,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:57,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962535585] [2019-10-22 08:59:57,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:57,201 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961240753] [2019-10-22 08:59:57,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:57,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:57,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:57,203 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand 3 states. [2019-10-22 08:59:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,243 INFO L93 Difference]: Finished difference Result 305 states and 418 transitions. [2019-10-22 08:59:57,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:57,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 08:59:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,245 INFO L225 Difference]: With dead ends: 305 [2019-10-22 08:59:57,245 INFO L226 Difference]: Without dead ends: 184 [2019-10-22 08:59:57,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 08:59:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-10-22 08:59:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-10-22 08:59:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-22 08:59:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 245 transitions. [2019-10-22 08:59:57,270 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 245 transitions. Word has length 36 [2019-10-22 08:59:57,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,270 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 245 transitions. [2019-10-22 08:59:57,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 245 transitions. [2019-10-22 08:59:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:59:57,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,272 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,272 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2019-10-22 08:59:57,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424676591] [2019-10-22 08:59:57,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,376 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 08:59:57,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424676591] [2019-10-22 08:59:57,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:57,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:57,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650957665] [2019-10-22 08:59:57,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:59:57,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:57,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:59:57,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:57,378 INFO L87 Difference]: Start difference. First operand 184 states and 245 transitions. Second operand 6 states. [2019-10-22 08:59:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:57,663 INFO L93 Difference]: Finished difference Result 689 states and 945 transitions. [2019-10-22 08:59:57,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:59:57,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 08:59:57,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:57,666 INFO L225 Difference]: With dead ends: 689 [2019-10-22 08:59:57,666 INFO L226 Difference]: Without dead ends: 568 [2019-10-22 08:59:57,667 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:59:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-22 08:59:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 269. [2019-10-22 08:59:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-10-22 08:59:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 354 transitions. [2019-10-22 08:59:57,729 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 354 transitions. Word has length 37 [2019-10-22 08:59:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:57,730 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 354 transitions. [2019-10-22 08:59:57,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:59:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 354 transitions. [2019-10-22 08:59:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 08:59:57,731 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:57,731 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:57,732 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:57,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2019-10-22 08:59:57,732 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:57,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201495536] [2019-10-22 08:59:57,733 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:57,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:57,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201495536] [2019-10-22 08:59:57,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28703088] [2019-10-22 08:59:57,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:57,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:59:57,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:58,017 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:59:58,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-22 08:59:58,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050890903] [2019-10-22 08:59:58,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:59:58,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:58,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:59:58,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:58,019 INFO L87 Difference]: Start difference. First operand 269 states and 354 transitions. Second operand 9 states. [2019-10-22 08:59:58,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:58,283 INFO L93 Difference]: Finished difference Result 507 states and 677 transitions. [2019-10-22 08:59:58,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:59:58,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-10-22 08:59:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:58,284 INFO L225 Difference]: With dead ends: 507 [2019-10-22 08:59:58,284 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:58,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:59:58,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:58,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:58,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-22 08:59:58,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:58,286 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:58,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:59:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:58,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:58,487 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:59:58,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:59:58,634 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2019-10-22 08:59:59,329 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 20 [2019-10-22 08:59:59,542 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2019-10-22 08:59:59,674 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-10-22 08:59:59,843 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2019-10-22 09:00:00,133 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-10-22 09:00:00,390 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2019-10-22 09:00:00,550 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2019-10-22 09:00:00,661 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2019-10-22 09:00:00,892 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2019-10-22 09:00:01,091 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 20 [2019-10-22 09:00:01,259 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 10 [2019-10-22 09:00:01,275 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 867) no Hoare annotation was computed. [2019-10-22 09:00:01,276 INFO L443 ceAbstractionStarter]: For program point L861-1(lines 861 867) no Hoare annotation was computed. [2019-10-22 09:00:01,276 INFO L443 ceAbstractionStarter]: For program point L861-2(lines 861 867) no Hoare annotation was computed. [2019-10-22 09:00:01,276 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-22 09:00:01,276 INFO L446 ceAbstractionStarter]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-10-22 09:00:01,276 INFO L439 ceAbstractionStarter]: At program point L944(lines 1 964) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:01,276 INFO L443 ceAbstractionStarter]: For program point L961(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,276 INFO L443 ceAbstractionStarter]: For program point L961-1(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L443 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-10-22 09:00:01,277 INFO L439 ceAbstractionStarter]: At program point L879(lines 874 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:01,277 INFO L439 ceAbstractionStarter]: At program point L599(lines 595 617) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse0 (and (= ~pumpRunning~0 0) .cse1)))) [2019-10-22 09:00:01,278 INFO L439 ceAbstractionStarter]: At program point L599-1(lines 595 617) the Hoare annotation is: false [2019-10-22 09:00:01,278 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-22 09:00:01,278 INFO L439 ceAbstractionStarter]: At program point L599-2(lines 595 617) the Hoare annotation is: false [2019-10-22 09:00:01,278 INFO L439 ceAbstractionStarter]: At program point L533-1(lines 533 539) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse1 (and (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 09:00:01,278 INFO L439 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-10-22 09:00:01,278 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 771) no Hoare annotation was computed. [2019-10-22 09:00:01,278 INFO L439 ceAbstractionStarter]: At program point L765-1(lines 765 771) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:01,278 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 09:00:01,279 INFO L439 ceAbstractionStarter]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:01,279 INFO L439 ceAbstractionStarter]: At program point L866(lines 857 870) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2019-10-22 09:00:01,279 INFO L439 ceAbstractionStarter]: At program point L866-1(lines 857 870) the Hoare annotation is: false [2019-10-22 09:00:01,279 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 857 870) the Hoare annotation is: false [2019-10-22 09:00:01,279 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 674) no Hoare annotation was computed. [2019-10-22 09:00:01,279 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-22 09:00:01,279 INFO L443 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-10-22 09:00:01,279 INFO L443 ceAbstractionStarter]: For program point L668-2(lines 668 674) no Hoare annotation was computed. [2019-10-22 09:00:01,279 INFO L443 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L668-4(lines 668 674) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L751-3(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L751-5(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 566) no Hoare annotation was computed. [2019-10-22 09:00:01,280 INFO L443 ceAbstractionStarter]: For program point L751-6(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,283 INFO L443 ceAbstractionStarter]: For program point L751-8(lines 751 755) no Hoare annotation was computed. [2019-10-22 09:00:01,283 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 917) no Hoare annotation was computed. [2019-10-22 09:00:01,283 INFO L439 ceAbstractionStarter]: At program point L900-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse1 (and (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 09:00:01,283 INFO L443 ceAbstractionStarter]: For program point L900-2(lines 900 917) no Hoare annotation was computed. [2019-10-22 09:00:01,283 INFO L439 ceAbstractionStarter]: At program point L900-3(lines 1 964) the Hoare annotation is: false [2019-10-22 09:00:01,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:01,283 INFO L443 ceAbstractionStarter]: For program point L900-4(lines 900 917) no Hoare annotation was computed. [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L900-5(lines 1 964) the Hoare annotation is: false [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702(lines 697 705) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse3)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702-1(lines 697 705) the Hoare annotation is: (let ((.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse0))) [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702-2(lines 697 705) the Hoare annotation is: false [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702-3(lines 697 705) the Hoare annotation is: false [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702-4(lines 697 705) the Hoare annotation is: false [2019-10-22 09:00:01,284 INFO L439 ceAbstractionStarter]: At program point L702-5(lines 697 705) the Hoare annotation is: false [2019-10-22 09:00:01,285 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,285 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-22 09:00:01,285 INFO L443 ceAbstractionStarter]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2019-10-22 09:00:01,285 INFO L439 ceAbstractionStarter]: At program point L571(lines 522 572) the Hoare annotation is: false [2019-10-22 09:00:01,285 INFO L439 ceAbstractionStarter]: At program point L952(lines 947 955) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:01,285 INFO L439 ceAbstractionStarter]: At program point L853(lines 848 856) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (and (= ~pumpRunning~0 0) .cse2) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L853-1(lines 848 856) the Hoare annotation is: false [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L853-2(lines 848 856) the Hoare annotation is: false [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse1 (and (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-10-22 09:00:01,286 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-10-22 09:00:01,286 INFO L446 ceAbstractionStarter]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-10-22 09:00:01,286 INFO L439 ceAbstractionStarter]: At program point L821(lines 816 824) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:01,287 INFO L439 ceAbstractionStarter]: At program point L821-1(lines 816 824) the Hoare annotation is: false [2019-10-22 09:00:01,287 INFO L439 ceAbstractionStarter]: At program point L821-2(lines 816 824) the Hoare annotation is: false [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 570) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L904-4(lines 904 914) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 911) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L905-2(lines 905 911) no Hoare annotation was computed. [2019-10-22 09:00:01,287 INFO L443 ceAbstractionStarter]: For program point L905-4(lines 905 911) no Hoare annotation was computed. [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L889(lines 599 605) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1) (and .cse0 (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1)))) [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L889-1(lines 599 605) the Hoare annotation is: false [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L889-2(lines 599 605) the Hoare annotation is: false [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L757(lines 742 760) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (and (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2) .cse0))) [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L757-1(lines 742 760) the Hoare annotation is: false [2019-10-22 09:00:01,288 INFO L439 ceAbstractionStarter]: At program point L757-2(lines 742 760) the Hoare annotation is: false [2019-10-22 09:00:01,288 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-10-22 09:00:01,294 INFO L439 ceAbstractionStarter]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse1 (and (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 09:00:01,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,295 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-22 09:00:01,295 INFO L439 ceAbstractionStarter]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse1 (and (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 09:00:01,295 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-22 09:00:01,295 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:01,295 INFO L439 ceAbstractionStarter]: At program point L693(lines 686 696) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:01,296 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 686 696) the Hoare annotation is: false [2019-10-22 09:00:01,296 INFO L439 ceAbstractionStarter]: At program point L693-2(lines 686 696) the Hoare annotation is: false [2019-10-22 09:00:01,296 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-10-22 09:00:01,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:01 BoogieIcfgContainer [2019-10-22 09:00:01,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:01,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:01,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:01,336 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:01,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:55" (3/4) ... [2019-10-22 09:00:01,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:01,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:01,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:01,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:01,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:01,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:01,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:01,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((((((1 <= pumpRunning && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 09:00:01,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:01,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) [2019-10-22 09:00:01,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-10-22 09:00:01,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:01,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 09:00:01,407 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((!(0 == tmp) && 0 == \result) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-10-22 09:00:01,480 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e92f2dce-93d5-46b5-98f7-e5eb2296a696/bin/uautomizer/witness.graphml [2019-10-22 09:00:01,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:01,482 INFO L168 Benchmark]: Toolchain (without parser) took 7794.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 320.9 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,482 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:01,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,483 INFO L168 Benchmark]: Boogie Preprocessor took 71.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,483 INFO L168 Benchmark]: RCFGBuilder took 944.35 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,483 INFO L168 Benchmark]: TraceAbstraction took 5971.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -75.6 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,483 INFO L168 Benchmark]: Witness Printer took 152.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:01,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 562.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 944.35 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5971.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -75.6 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. * Witness Printer took 152.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: 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: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (waterLevel <= 2 && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((((((1 <= pumpRunning && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((!(0 == tmp) && 0 == \result) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) || (((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 902 SDtfs, 1222 SDslu, 1406 SDs, 0 SdLazy, 239 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 698 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 181 NumberOfFragments, 567 HoareAnnotationTreeSize, 45 FomulaSimplifications, 77025 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 15130 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 31064 SizeOfPredicates, 4 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...