./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:07:49,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:07:49,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:07:49,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:07:49,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:07:49,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:07:49,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:07:49,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:07:49,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:07:49,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:07:49,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:07:49,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:07:49,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:07:49,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:07:49,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:07:49,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:07:49,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:07:49,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:07:49,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:07:49,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:07:49,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:07:49,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:07:49,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:07:49,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:07:49,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:07:49,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:07:49,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:07:49,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:07:49,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:07:49,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:07:49,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:07:49,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:07:49,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:07:49,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:07:49,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:07:49,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:07:49,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:07:49,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:07:49,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:07:49,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:07:49,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:07:49,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:07:49,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:07:49,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:07:49,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:07:49,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:07:49,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:07:49,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:07:49,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:07:49,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:07:49,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:07:49,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:07:49,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:07:49,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:07:49,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:07:49,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:07:49,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:07:49,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:07:49,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:07:49,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:07:49,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:07:49,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:07:49,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:07:49,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:07:49,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:07:49,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:07:49,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:07:49,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:07:49,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:07:49,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:07:49,141 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/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-16 00:07:49,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:07:49,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:07:49,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:07:49,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:07:49,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:07:49,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-16 00:07:49,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/data/760eb8b3d/66d737319651409a8bff41d608c21f7b/FLAG5ff40d79e [2019-11-16 00:07:49,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:07:49,716 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-16 00:07:49,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/data/760eb8b3d/66d737319651409a8bff41d608c21f7b/FLAG5ff40d79e [2019-11-16 00:07:49,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/data/760eb8b3d/66d737319651409a8bff41d608c21f7b [2019-11-16 00:07:49,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:07:49,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:07:49,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:07:49,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:07:50,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:07:50,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:49" (1/1) ... [2019-11-16 00:07:50,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383e9b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50, skipping insertion in model container [2019-11-16 00:07:50,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:49" (1/1) ... [2019-11-16 00:07:50,020 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:07:50,082 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:07:50,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:07:50,507 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:07:50,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:07:50,625 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:07:50,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50 WrapperNode [2019-11-16 00:07:50,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:07:50,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:07:50,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:07:50,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:07:50,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:07:50,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:07:50,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:07:50,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:07:50,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... [2019-11-16 00:07:50,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:07:50,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:07:50,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:07:50,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:07:50,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/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 [2019-11-16 00:07:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:07:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:07:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:07:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:07:51,713 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:07:51,713 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-16 00:07:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:51 BoogieIcfgContainer [2019-11-16 00:07:51,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:07:51,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:07:51,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:07:51,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:07:51,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:07:49" (1/3) ... [2019-11-16 00:07:51,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4d3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:51, skipping insertion in model container [2019-11-16 00:07:51,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:50" (2/3) ... [2019-11-16 00:07:51,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4d3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:51, skipping insertion in model container [2019-11-16 00:07:51,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:51" (3/3) ... [2019-11-16 00:07:51,722 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-16 00:07:51,732 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:07:51,748 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-16 00:07:51,759 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-16 00:07:51,785 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:07:51,785 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:07:51,785 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:07:51,785 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:07:51,786 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:07:51,786 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:07:51,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:07:51,788 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:07:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-16 00:07:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:07:51,818 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:51,818 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:51,820 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:51,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:51,823 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2019-11-16 00:07:51,829 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:51,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024777686] [2019-11-16 00:07:51,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:51,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:51,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024777686] [2019-11-16 00:07:52,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:07:52,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345898123] [2019-11-16 00:07:52,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:07:52,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:07:52,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:07:52,080 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-16 00:07:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,107 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-16 00:07:52,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:07:52,109 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-16 00:07:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,120 INFO L225 Difference]: With dead ends: 235 [2019-11-16 00:07:52,120 INFO L226 Difference]: Without dead ends: 117 [2019-11-16 00:07:52,123 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 [2019-11-16 00:07:52,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-16 00:07:52,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-16 00:07:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-16 00:07:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-16 00:07:52,167 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-16 00:07:52,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,167 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-16 00:07:52,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:07:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-16 00:07:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:07:52,169 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,169 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:52,169 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:52,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:52,170 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2019-11-16 00:07:52,170 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:52,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123621127] [2019-11-16 00:07:52,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123621127] [2019-11-16 00:07:52,269 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:07:52,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567899931] [2019-11-16 00:07:52,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:52,271 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:52,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:52,272 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-16 00:07:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,293 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-16 00:07:52,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:52,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-16 00:07:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,296 INFO L225 Difference]: With dead ends: 117 [2019-11-16 00:07:52,296 INFO L226 Difference]: Without dead ends: 49 [2019-11-16 00:07:52,298 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 [2019-11-16 00:07:52,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-16 00:07:52,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-16 00:07:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-16 00:07:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-16 00:07:52,314 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-16 00:07:52,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,314 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-16 00:07:52,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-16 00:07:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-16 00:07:52,316 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,317 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:52,317 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:52,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:52,317 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2019-11-16 00:07:52,318 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:52,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033377726] [2019-11-16 00:07:52,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033377726] [2019-11-16 00:07:52,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:07:52,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983045430] [2019-11-16 00:07:52,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:52,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:52,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:52,400 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-16 00:07:52,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,425 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-16 00:07:52,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:52,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-16 00:07:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,427 INFO L225 Difference]: With dead ends: 91 [2019-11-16 00:07:52,427 INFO L226 Difference]: Without dead ends: 49 [2019-11-16 00:07:52,428 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 [2019-11-16 00:07:52,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-16 00:07:52,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-16 00:07:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-16 00:07:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-16 00:07:52,433 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-16 00:07:52,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,434 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-16 00:07:52,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-16 00:07:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-16 00:07:52,435 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,435 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] [2019-11-16 00:07:52,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:52,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:52,438 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2019-11-16 00:07:52,438 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:52,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61446771] [2019-11-16 00:07:52,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61446771] [2019-11-16 00:07:52,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:07:52,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462361136] [2019-11-16 00:07:52,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:52,545 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:52,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:52,545 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-16 00:07:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,596 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-16 00:07:52,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:52,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-16 00:07:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,598 INFO L225 Difference]: With dead ends: 113 [2019-11-16 00:07:52,598 INFO L226 Difference]: Without dead ends: 71 [2019-11-16 00:07:52,599 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 [2019-11-16 00:07:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-16 00:07:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-16 00:07:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-16 00:07:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-16 00:07:52,606 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-16 00:07:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,607 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-16 00:07:52,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-16 00:07:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:07:52,608 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,608 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] [2019-11-16 00:07:52,609 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2019-11-16 00:07:52,609 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:52,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309470785] [2019-11-16 00:07:52,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,610 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309470785] [2019-11-16 00:07:52,669 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:07:52,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199153455] [2019-11-16 00:07:52,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:07:52,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:07:52,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:52,670 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-16 00:07:52,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,741 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-16 00:07:52,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:07:52,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-16 00:07:52,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,743 INFO L225 Difference]: With dead ends: 182 [2019-11-16 00:07:52,743 INFO L226 Difference]: Without dead ends: 120 [2019-11-16 00:07:52,744 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 [2019-11-16 00:07:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-16 00:07:52,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-16 00:07:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-16 00:07:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-16 00:07:52,753 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-16 00:07:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,754 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-16 00:07:52,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:07:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-16 00:07:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:07:52,755 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,756 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] [2019-11-16 00:07:52,756 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:52,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:52,756 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2019-11-16 00:07:52,756 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:52,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470111365] [2019-11-16 00:07:52,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:52,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:52,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470111365] [2019-11-16 00:07:52,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:52,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:07:52,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223638401] [2019-11-16 00:07:52,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:07:52,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:52,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:07:52,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:52,844 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-16 00:07:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:52,955 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-16 00:07:52,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:07:52,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-16 00:07:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:52,958 INFO L225 Difference]: With dead ends: 387 [2019-11-16 00:07:52,958 INFO L226 Difference]: Without dead ends: 319 [2019-11-16 00:07:52,961 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 [2019-11-16 00:07:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-16 00:07:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-16 00:07:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-16 00:07:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-16 00:07:52,989 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-16 00:07:52,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:52,992 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-16 00:07:52,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:07:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-16 00:07:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:07:52,996 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:52,996 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:53,003 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2019-11-16 00:07:53,004 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:53,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129724449] [2019-11-16 00:07:53,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129724449] [2019-11-16 00:07:53,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:53,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:07:53,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227821136] [2019-11-16 00:07:53,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:07:53,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:53,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:07:53,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:53,080 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-16 00:07:53,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:53,228 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-16 00:07:53,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:07:53,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-16 00:07:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:53,232 INFO L225 Difference]: With dead ends: 506 [2019-11-16 00:07:53,232 INFO L226 Difference]: Without dead ends: 378 [2019-11-16 00:07:53,233 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 [2019-11-16 00:07:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-16 00:07:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-16 00:07:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-16 00:07:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-16 00:07:53,260 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-16 00:07:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:53,261 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-16 00:07:53,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:07:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-16 00:07:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:07:53,265 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:53,266 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:53,266 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:53,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:53,266 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2019-11-16 00:07:53,267 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:53,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236454266] [2019-11-16 00:07:53,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236454266] [2019-11-16 00:07:53,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:53,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:07:53,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006353815] [2019-11-16 00:07:53,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:07:53,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:53,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:07:53,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:53,326 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-16 00:07:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:53,473 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-16 00:07:53,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:07:53,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-16 00:07:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:53,475 INFO L225 Difference]: With dead ends: 357 [2019-11-16 00:07:53,476 INFO L226 Difference]: Without dead ends: 230 [2019-11-16 00:07:53,476 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:07:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-16 00:07:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-16 00:07:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-16 00:07:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-16 00:07:53,496 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-16 00:07:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:53,497 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-16 00:07:53,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:07:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-16 00:07:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:07:53,500 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:53,501 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:53,501 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:53,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:53,501 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2019-11-16 00:07:53,502 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:53,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871907145] [2019-11-16 00:07:53,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871907145] [2019-11-16 00:07:53,564 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:53,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:07:53,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238302914] [2019-11-16 00:07:53,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:53,565 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:53,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:53,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:53,566 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-16 00:07:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:53,600 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-16 00:07:53,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:53,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-16 00:07:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:53,602 INFO L225 Difference]: With dead ends: 327 [2019-11-16 00:07:53,602 INFO L226 Difference]: Without dead ends: 192 [2019-11-16 00:07:53,603 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 [2019-11-16 00:07:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-16 00:07:53,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-16 00:07:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-16 00:07:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-16 00:07:53,623 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-16 00:07:53,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:53,624 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-16 00:07:53,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-16 00:07:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-16 00:07:53,625 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:53,625 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:53,625 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:53,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:53,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2019-11-16 00:07:53,626 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:53,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750472405] [2019-11-16 00:07:53,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750472405] [2019-11-16 00:07:53,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:53,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:07:53,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285310500] [2019-11-16 00:07:53,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:53,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:53,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:53,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:53,666 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-16 00:07:53,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:53,714 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-16 00:07:53,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:53,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-16 00:07:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:53,716 INFO L225 Difference]: With dead ends: 295 [2019-11-16 00:07:53,716 INFO L226 Difference]: Without dead ends: 293 [2019-11-16 00:07:53,717 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 [2019-11-16 00:07:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-16 00:07:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-16 00:07:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-16 00:07:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-16 00:07:53,744 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-16 00:07:53,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:53,744 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-16 00:07:53,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-16 00:07:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-16 00:07:53,746 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:53,746 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-16 00:07:53,746 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:53,747 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2019-11-16 00:07:53,747 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:53,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692704093] [2019-11-16 00:07:53,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:53,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692704093] [2019-11-16 00:07:53,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26605722] [2019-11-16 00:07:53,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/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 [2019-11-16 00:07:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:53,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:07:53,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:07:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:53,997 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:07:53,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-16 00:07:53,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316834185] [2019-11-16 00:07:53,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:07:53,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:53,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:53,998 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-16 00:07:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:54,073 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-16 00:07:54,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:54,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-16 00:07:54,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:54,075 INFO L225 Difference]: With dead ends: 374 [2019-11-16 00:07:54,075 INFO L226 Difference]: Without dead ends: 197 [2019-11-16 00:07:54,076 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:07:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-16 00:07:54,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-16 00:07:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-16 00:07:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-16 00:07:54,093 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-16 00:07:54,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:54,093 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-16 00:07:54,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:07:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-16 00:07:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-16 00:07:54,094 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:54,095 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, 1, 1, 1, 1] [2019-11-16 00:07:54,299 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:07:54,300 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:54,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:54,300 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2019-11-16 00:07:54,300 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:54,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559823655] [2019-11-16 00:07:54,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:54,301 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:54,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-16 00:07:54,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559823655] [2019-11-16 00:07:54,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039747606] [2019-11-16 00:07:54,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:07:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:54,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-16 00:07:54,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:07:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-16 00:07:54,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:07:54,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-16 00:07:54,536 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139477678] [2019-11-16 00:07:54,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:07:54,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:07:54,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:07:54,537 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-16 00:07:54,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:54,605 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-16 00:07:54,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:07:54,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-16 00:07:54,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:54,607 INFO L225 Difference]: With dead ends: 494 [2019-11-16 00:07:54,607 INFO L226 Difference]: Without dead ends: 354 [2019-11-16 00:07:54,608 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:07:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-16 00:07:54,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-16 00:07:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-16 00:07:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-16 00:07:54,626 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-16 00:07:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:54,626 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-16 00:07:54,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:07:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-16 00:07:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-16 00:07:54,627 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:54,627 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, 1, 1, 1, 1] [2019-11-16 00:07:54,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:07:54,834 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:07:54,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:54,834 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2019-11-16 00:07:54,834 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:54,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227180918] [2019-11-16 00:07:54,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:54,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:54,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:54,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227180918] [2019-11-16 00:07:54,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:54,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:07:54,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108275100] [2019-11-16 00:07:54,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:07:54,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:07:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:07:54,935 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-16 00:07:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:55,100 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-16 00:07:55,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:07:55,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-16 00:07:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:07:55,104 INFO L225 Difference]: With dead ends: 585 [2019-11-16 00:07:55,104 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:07:55,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:07:55,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:07:55,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:07:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:07:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:07:55,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-16 00:07:55,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:07:55,106 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:07:55,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:07:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:07:55,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:07:55,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:07:55,234 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-11-16 00:07:55,485 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-11-16 00:07:55,909 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2019-11-16 00:07:56,208 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-16 00:07:56,451 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-16 00:07:56,744 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-11-16 00:07:56,997 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-16 00:07:57,204 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2019-11-16 00:07:57,483 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2019-11-16 00:07:57,593 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-11-16 00:07:57,816 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-16 00:07:58,060 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-11-16 00:07:58,355 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-11-16 00:07:58,357 INFO L439 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: false [2019-11-16 00:07:58,357 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-11-16 00:07:58,357 INFO L443 ceAbstractionStarter]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2019-11-16 00:07:58,357 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2019-11-16 00:07:58,357 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-16 00:07:58,357 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L439 ceAbstractionStarter]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L439 ceAbstractionStarter]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L439 ceAbstractionStarter]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,358 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,359 INFO L443 ceAbstractionStarter]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L439 ceAbstractionStarter]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-16 00:07:58,360 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-16 00:07:58,360 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-16 00:07:58,360 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2019-11-16 00:07:58,360 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L439 ceAbstractionStarter]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L439 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,361 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L443 ceAbstractionStarter]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L443 ceAbstractionStarter]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L443 ceAbstractionStarter]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L443 ceAbstractionStarter]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L439 ceAbstractionStarter]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) (and .cse0 .cse2)))) [2019-11-16 00:07:58,362 INFO L443 ceAbstractionStarter]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2019-11-16 00:07:58,362 INFO L439 ceAbstractionStarter]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2019-11-16 00:07:58,362 INFO L439 ceAbstractionStarter]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2019-11-16 00:07:58,362 INFO L446 ceAbstractionStarter]: At program point L176(lines 157 179) the Hoare annotation is: true [2019-11-16 00:07:58,362 INFO L439 ceAbstractionStarter]: At program point L507(lines 492 510) the Hoare annotation is: false [2019-11-16 00:07:58,363 INFO L439 ceAbstractionStarter]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-11-16 00:07:58,363 INFO L439 ceAbstractionStarter]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2019-11-16 00:07:58,363 INFO L439 ceAbstractionStarter]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2019-11-16 00:07:58,363 INFO L439 ceAbstractionStarter]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2019-11-16 00:07:58,363 INFO L439 ceAbstractionStarter]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2019-11-16 00:07:58,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,363 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,363 INFO L443 ceAbstractionStarter]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,363 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2019-11-16 00:07:58,364 INFO L443 ceAbstractionStarter]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,366 INFO L443 ceAbstractionStarter]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2019-11-16 00:07:58,366 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-16 00:07:58,366 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,366 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-11-16 00:07:58,366 INFO L439 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and (and .cse1 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3)) .cse2))) [2019-11-16 00:07:58,367 INFO L439 ceAbstractionStarter]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2019-11-16 00:07:58,367 INFO L439 ceAbstractionStarter]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2019-11-16 00:07:58,367 INFO L443 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,367 INFO L443 ceAbstractionStarter]: For program point L976-1(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,367 INFO L443 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-11-16 00:07:58,367 INFO L439 ceAbstractionStarter]: At program point L316(lines 307 320) the Hoare annotation is: false [2019-11-16 00:07:58,368 INFO L439 ceAbstractionStarter]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-11-16 00:07:58,368 INFO L439 ceAbstractionStarter]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2019-11-16 00:07:58,368 INFO L439 ceAbstractionStarter]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2019-11-16 00:07:58,368 INFO L439 ceAbstractionStarter]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2019-11-16 00:07:58,368 INFO L439 ceAbstractionStarter]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2019-11-16 00:07:58,368 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:07:58,369 INFO L443 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-11-16 00:07:58,369 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-11-16 00:07:58,369 INFO L439 ceAbstractionStarter]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-16 00:07:58,369 INFO L439 ceAbstractionStarter]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2019-11-16 00:07:58,369 INFO L439 ceAbstractionStarter]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2019-11-16 00:07:58,369 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:07:58,370 INFO L443 ceAbstractionStarter]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2019-11-16 00:07:58,371 INFO L439 ceAbstractionStarter]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-16 00:07:58,371 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-16 00:07:58,371 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-16 00:07:58,371 INFO L439 ceAbstractionStarter]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-11-16 00:07:58,371 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-11-16 00:07:58,371 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-16 00:07:58,372 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2019-11-16 00:07:58,372 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:07:58,372 INFO L439 ceAbstractionStarter]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:07:58,372 INFO L439 ceAbstractionStarter]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2019-11-16 00:07:58,372 INFO L439 ceAbstractionStarter]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2019-11-16 00:07:58,372 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-16 00:07:58,373 INFO L439 ceAbstractionStarter]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-16 00:07:58,373 INFO L439 ceAbstractionStarter]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:07:58,373 INFO L439 ceAbstractionStarter]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2019-11-16 00:07:58,373 INFO L439 ceAbstractionStarter]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2019-11-16 00:07:58,373 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-16 00:07:58,373 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:07:58,374 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-11-16 00:07:58,374 INFO L446 ceAbstractionStarter]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2019-11-16 00:07:58,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:07:58 BoogieIcfgContainer [2019-11-16 00:07:58,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:07:58,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:07:58,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:07:58,410 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:07:58,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:51" (3/4) ... [2019-11-16 00:07:58,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:07:58,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-16 00:07:58,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-16 00:07:58,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-16 00:07:58,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:07:58,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:07:58,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-16 00:07:58,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-11-16 00:07:58,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-16 00:07:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-16 00:07:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-16 00:07:58,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter [2019-11-16 00:07:58,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-16 00:07:58,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba81ed07-bcff-4088-9cfa-431d83ccc37f/bin/uautomizer/witness.graphml [2019-11-16 00:07:58,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:07:58,542 INFO L168 Benchmark]: Toolchain (without parser) took 8546.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 939.4 MB in the beginning and 899.5 MB in the end (delta: 39.9 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,542 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:58,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,543 INFO L168 Benchmark]: Boogie Preprocessor took 87.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,543 INFO L168 Benchmark]: RCFGBuilder took 932.12 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,544 INFO L168 Benchmark]: TraceAbstraction took 6693.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 913.8 MB in the end (delta: 152.9 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,544 INFO L168 Benchmark]: Witness Printer took 131.09 ms. Allocated memory is still 1.2 GB. Free memory was 913.8 MB in the beginning and 899.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:58,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 629.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 932.12 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6693.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 913.8 MB in the end (delta: 152.9 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. * Witness Printer took 131.09 ms. Allocated memory is still 1.2 GB. Free memory was 913.8 MB in the beginning and 899.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: 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: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && !(0 == waterLevel)) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 1243 SDtfs, 1443 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, 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, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 519 HoareAnnotationTreeSize, 44 FomulaSimplifications, 400690 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14965 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 40871 SizeOfPredicates, 5 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 96/99 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...