./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/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 edf277e8e45bc51905c3746c53b47e5f504df38a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:14:03,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:14:03,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:14:03,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:14:03,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:14:03,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:14:03,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:14:03,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:14:03,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:14:03,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:14:03,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:14:03,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:14:03,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:14:03,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:14:03,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:14:03,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:14:03,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:14:03,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:14:03,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:14:03,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:14:03,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:14:03,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:14:03,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:14:03,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:14:03,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:14:03,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:14:03,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:14:03,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:14:03,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:14:03,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:14:03,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:14:03,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:14:03,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:14:03,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:14:03,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:14:03,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:14:03,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:14:03,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:14:03,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:14:03,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:14:03,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:14:03,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:14:03,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:14:03,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:14:03,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:14:03,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:14:03,830 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:14:03,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:14:03,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:14:03,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:14:03,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:14:03,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:14:03,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:14:03,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:14:03,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:14:03,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:14:03,833 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_601e9415-9e48-45ce-9ede-1b10d96971ae/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-12-07 10:14:03,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:14:03,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:14:03,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:14:03,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:14:03,945 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:14:03,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 10:14:03,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/data/477bd474e/8e6cdb84a48b491daee509855e18373b/FLAG4189ceda7 [2019-12-07 10:14:04,430 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:14:04,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 10:14:04,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/data/477bd474e/8e6cdb84a48b491daee509855e18373b/FLAG4189ceda7 [2019-12-07 10:14:04,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/data/477bd474e/8e6cdb84a48b491daee509855e18373b [2019-12-07 10:14:04,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:14:04,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:14:04,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:14:04,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:14:04,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:14:04,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04, skipping insertion in model container [2019-12-07 10:14:04,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:14:04,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:14:04,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:14:04,720 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:14:04,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:14:04,807 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:14:04,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04 WrapperNode [2019-12-07 10:14:04,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:14:04,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:14:04,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:14:04,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:14:04,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:14:04,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:14:04,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:14:04,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:14:04,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... [2019-12-07 10:14:04,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:14:04,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:14:04,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:14:04,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:14:04,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/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 [2019-12-07 10:14:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:14:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:14:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:14:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:14:05,411 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:14:05,411 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-12-07 10:14:05,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:14:05 BoogieIcfgContainer [2019-12-07 10:14:05,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:14:05,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:14:05,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:14:05,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:14:05,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:14:04" (1/3) ... [2019-12-07 10:14:05,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f6120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:14:05, skipping insertion in model container [2019-12-07 10:14:05,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:14:04" (2/3) ... [2019-12-07 10:14:05,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f6120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:14:05, skipping insertion in model container [2019-12-07 10:14:05,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:14:05" (3/3) ... [2019-12-07 10:14:05,417 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-12-07 10:14:05,424 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:14:05,429 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:14:05,436 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:14:05,452 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:14:05,452 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:14:05,453 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:14:05,453 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:14:05,453 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:14:05,453 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:14:05,453 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:14:05,453 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:14:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-12-07 10:14:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:14:05,470 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:05,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:05,471 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:05,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:05,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2019-12-07 10:14:05,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:05,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105877148] [2019-12-07 10:14:05,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:05,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105877148] [2019-12-07 10:14:05,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:05,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:14:05,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556689535] [2019-12-07 10:14:05,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:14:05,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:05,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:14:05,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:14:05,643 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-12-07 10:14:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:05,665 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-12-07 10:14:05,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:14:05,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:14:05,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:05,674 INFO L225 Difference]: With dead ends: 264 [2019-12-07 10:14:05,674 INFO L226 Difference]: Without dead ends: 131 [2019-12-07 10:14:05,677 INFO L630 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 [2019-12-07 10:14:05,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-12-07 10:14:05,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-12-07 10:14:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-12-07 10:14:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-12-07 10:14:05,708 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-12-07 10:14:05,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:05,708 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-12-07 10:14:05,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:14:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-12-07 10:14:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:14:05,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:05,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:05,709 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:05,710 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2019-12-07 10:14:05,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:05,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400507925] [2019-12-07 10:14:05,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:05,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400507925] [2019-12-07 10:14:05,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:05,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:14:05,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923778041] [2019-12-07 10:14:05,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:14:05,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:05,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:14:05,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:14:05,767 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-12-07 10:14:05,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:05,777 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-12-07 10:14:05,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:14:05,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 10:14:05,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:05,778 INFO L225 Difference]: With dead ends: 131 [2019-12-07 10:14:05,778 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 10:14:05,779 INFO L630 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 [2019-12-07 10:14:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 10:14:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 10:14:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 10:14:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 10:14:05,783 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-12-07 10:14:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:05,783 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 10:14:05,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:14:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 10:14:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:14:05,784 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:05,784 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:05,784 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:05,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2019-12-07 10:14:05,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:05,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754211041] [2019-12-07 10:14:05,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:05,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754211041] [2019-12-07 10:14:05,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:05,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:14:05,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475399126] [2019-12-07 10:14:05,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:14:05,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:05,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:14:05,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:14:05,833 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-12-07 10:14:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:05,841 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-12-07 10:14:05,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:14:05,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 10:14:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:05,842 INFO L225 Difference]: With dead ends: 100 [2019-12-07 10:14:05,842 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 10:14:05,843 INFO L630 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 [2019-12-07 10:14:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 10:14:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 10:14:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 10:14:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-12-07 10:14:05,849 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-12-07 10:14:05,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:05,849 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-12-07 10:14:05,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:14:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-12-07 10:14:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:14:05,850 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:05,850 INFO L410 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] [2019-12-07 10:14:05,851 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:05,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:05,851 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2019-12-07 10:14:05,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:05,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772047994] [2019-12-07 10:14:05,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:05,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772047994] [2019-12-07 10:14:05,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:05,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:14:05,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939574674] [2019-12-07 10:14:05,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:14:05,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:05,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:14:05,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:14:05,895 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-12-07 10:14:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:05,918 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-12-07 10:14:05,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:14:05,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 10:14:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:05,920 INFO L225 Difference]: With dead ends: 121 [2019-12-07 10:14:05,920 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 10:14:05,920 INFO L630 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 [2019-12-07 10:14:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 10:14:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-12-07 10:14:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 10:14:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-12-07 10:14:05,926 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-12-07 10:14:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:05,926 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-12-07 10:14:05,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:14:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-12-07 10:14:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 10:14:05,927 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:05,927 INFO L410 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] [2019-12-07 10:14:05,927 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:05,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2019-12-07 10:14:05,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:05,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389488550] [2019-12-07 10:14:05,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:05,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389488550] [2019-12-07 10:14:05,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:05,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:14:05,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043906098] [2019-12-07 10:14:05,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:14:05,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:05,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:14:05,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:14:05,972 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-12-07 10:14:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,057 INFO L93 Difference]: Finished difference Result 204 states and 290 transitions. [2019-12-07 10:14:06,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:14:06,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 10:14:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,059 INFO L225 Difference]: With dead ends: 204 [2019-12-07 10:14:06,059 INFO L226 Difference]: Without dead ends: 202 [2019-12-07 10:14:06,059 INFO L630 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 [2019-12-07 10:14:06,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-12-07 10:14:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 72. [2019-12-07 10:14:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 10:14:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-12-07 10:14:06,068 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 30 [2019-12-07 10:14:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,068 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-12-07 10:14:06,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:14:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-12-07 10:14:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:14:06,069 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,069 INFO L410 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] [2019-12-07 10:14:06,069 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1497044577, now seen corresponding path program 1 times [2019-12-07 10:14:06,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534767839] [2019-12-07 10:14:06,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534767839] [2019-12-07 10:14:06,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:14:06,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079605283] [2019-12-07 10:14:06,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:14:06,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:14:06,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:14:06,114 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 5 states. [2019-12-07 10:14:06,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,162 INFO L93 Difference]: Finished difference Result 183 states and 255 transitions. [2019-12-07 10:14:06,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:14:06,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 10:14:06,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,163 INFO L225 Difference]: With dead ends: 183 [2019-12-07 10:14:06,163 INFO L226 Difference]: Without dead ends: 117 [2019-12-07 10:14:06,164 INFO L630 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 [2019-12-07 10:14:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-12-07 10:14:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 78. [2019-12-07 10:14:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 10:14:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2019-12-07 10:14:06,170 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 33 [2019-12-07 10:14:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,170 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2019-12-07 10:14:06,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:14:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2019-12-07 10:14:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:14:06,171 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,171 INFO L410 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] [2019-12-07 10:14:06,172 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,172 INFO L82 PathProgramCache]: Analyzing trace with hash 910238563, now seen corresponding path program 1 times [2019-12-07 10:14:06,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625445138] [2019-12-07 10:14:06,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625445138] [2019-12-07 10:14:06,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:14:06,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318762128] [2019-12-07 10:14:06,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:14:06,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:14:06,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:14:06,204 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand 4 states. [2019-12-07 10:14:06,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,236 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2019-12-07 10:14:06,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:14:06,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 10:14:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,237 INFO L225 Difference]: With dead ends: 180 [2019-12-07 10:14:06,237 INFO L226 Difference]: Without dead ends: 108 [2019-12-07 10:14:06,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:14:06,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-12-07 10:14:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 82. [2019-12-07 10:14:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 10:14:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-12-07 10:14:06,244 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 33 [2019-12-07 10:14:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,244 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-12-07 10:14:06,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:14:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-12-07 10:14:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:14:06,245 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,245 INFO L410 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] [2019-12-07 10:14:06,245 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,245 INFO L82 PathProgramCache]: Analyzing trace with hash -369625115, now seen corresponding path program 1 times [2019-12-07 10:14:06,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703082263] [2019-12-07 10:14:06,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703082263] [2019-12-07 10:14:06,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:14:06,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117416916] [2019-12-07 10:14:06,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:14:06,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:14:06,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:14:06,275 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 3 states. [2019-12-07 10:14:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,297 INFO L93 Difference]: Finished difference Result 184 states and 248 transitions. [2019-12-07 10:14:06,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:14:06,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 10:14:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,299 INFO L225 Difference]: With dead ends: 184 [2019-12-07 10:14:06,299 INFO L226 Difference]: Without dead ends: 108 [2019-12-07 10:14:06,299 INFO L630 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 [2019-12-07 10:14:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-12-07 10:14:06,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-12-07 10:14:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-07 10:14:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 142 transitions. [2019-12-07 10:14:06,307 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 142 transitions. Word has length 33 [2019-12-07 10:14:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,308 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 142 transitions. [2019-12-07 10:14:06,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:14:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2019-12-07 10:14:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:14:06,309 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,309 INFO L410 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] [2019-12-07 10:14:06,309 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,309 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2019-12-07 10:14:06,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042220415] [2019-12-07 10:14:06,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042220415] [2019-12-07 10:14:06,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:14:06,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954728777] [2019-12-07 10:14:06,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:14:06,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:14:06,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:14:06,394 INFO L87 Difference]: Start difference. First operand 108 states and 142 transitions. Second operand 5 states. [2019-12-07 10:14:06,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,492 INFO L93 Difference]: Finished difference Result 585 states and 779 transitions. [2019-12-07 10:14:06,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:14:06,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 10:14:06,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,495 INFO L225 Difference]: With dead ends: 585 [2019-12-07 10:14:06,495 INFO L226 Difference]: Without dead ends: 483 [2019-12-07 10:14:06,495 INFO L630 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 [2019-12-07 10:14:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-12-07 10:14:06,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 202. [2019-12-07 10:14:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 10:14:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2019-12-07 10:14:06,509 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2019-12-07 10:14:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,509 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2019-12-07 10:14:06,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:14:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2019-12-07 10:14:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 10:14:06,510 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:06,510 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,511 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2019-12-07 10:14:06,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150227135] [2019-12-07 10:14:06,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150227135] [2019-12-07 10:14:06,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 10:14:06,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094051815] [2019-12-07 10:14:06,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:14:06,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:14:06,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:14:06,566 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2019-12-07 10:14:06,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:06,844 INFO L93 Difference]: Finished difference Result 710 states and 926 transitions. [2019-12-07 10:14:06,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 10:14:06,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-07 10:14:06,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:06,848 INFO L225 Difference]: With dead ends: 710 [2019-12-07 10:14:06,848 INFO L226 Difference]: Without dead ends: 514 [2019-12-07 10:14:06,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2019-12-07 10:14:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2019-12-07 10:14:06,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 202. [2019-12-07 10:14:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 10:14:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2019-12-07 10:14:06,868 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2019-12-07 10:14:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:06,868 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2019-12-07 10:14:06,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:14:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2019-12-07 10:14:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 10:14:06,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:06,870 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:06,870 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:06,871 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2019-12-07 10:14:06,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:06,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583915576] [2019-12-07 10:14:06,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:14:06,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583915576] [2019-12-07 10:14:06,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:14:06,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 10:14:06,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859041034] [2019-12-07 10:14:06,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:14:06,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:06,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:14:06,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:14:06,943 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2019-12-07 10:14:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:07,113 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2019-12-07 10:14:07,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:14:07,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-12-07 10:14:07,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:07,117 INFO L225 Difference]: With dead ends: 1026 [2019-12-07 10:14:07,117 INFO L226 Difference]: Without dead ends: 880 [2019-12-07 10:14:07,118 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:14:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2019-12-07 10:14:07,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2019-12-07 10:14:07,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-12-07 10:14:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2019-12-07 10:14:07,141 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2019-12-07 10:14:07,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:07,142 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2019-12-07 10:14:07,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:14:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2019-12-07 10:14:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 10:14:07,142 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:14:07,143 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:14:07,143 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:14:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:14:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2019-12-07 10:14:07,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:14:07,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495644715] [2019-12-07 10:14:07,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:14:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 10:14:07,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495644715] [2019-12-07 10:14:07,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666549647] [2019-12-07 10:14:07,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/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 [2019-12-07 10:14:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:14:07,276 INFO L264 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:14:07,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:14:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 10:14:07,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 10:14:07,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-12-07 10:14:07,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415468409] [2019-12-07 10:14:07,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:14:07,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:14:07,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:14:07,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:14:07,324 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2019-12-07 10:14:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:14:07,384 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2019-12-07 10:14:07,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:14:07,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-12-07 10:14:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:14:07,384 INFO L225 Difference]: With dead ends: 724 [2019-12-07 10:14:07,384 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:14:07,385 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:14:07,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:14:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:14:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:14:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:14:07,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 10:14:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:14:07,386 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:14:07,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:14:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:14:07,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:14:07,586 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:14:07,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:14:07,879 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 115 [2019-12-07 10:14:08,072 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 117 [2019-12-07 10:14:08,586 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-12-07 10:14:08,898 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2019-12-07 10:14:09,029 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-12-07 10:14:09,380 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 16 [2019-12-07 10:14:09,684 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-12-07 10:14:10,208 WARN L192 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2019-12-07 10:14:10,726 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2019-12-07 10:14:10,874 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-12-07 10:14:11,076 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-12-07 10:14:11,079 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L242 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-12-07 10:14:11,080 INFO L242 CegarLoopResult]: At program point L533(lines 486 534) the Hoare annotation is: false [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-3(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-5(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-6(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-8(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-9(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,080 INFO L246 CegarLoopResult]: For program point L734-11(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L734-12(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L734-14(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L734-15(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L734-17(lines 734 738) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L867(lines 867 871) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L867-3(lines 867 871) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L867-6(lines 867 871) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,081 INFO L246 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,082 INFO L246 CegarLoopResult]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,082 INFO L246 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-12-07 10:14:11,082 INFO L242 CegarLoopResult]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse6 .cse1 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4 .cse7))) [2019-12-07 10:14:11,082 INFO L242 CegarLoopResult]: At program point L904(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,082 INFO L242 CegarLoopResult]: At program point L904-1(lines 899 907) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3))) [2019-12-07 10:14:11,082 INFO L242 CegarLoopResult]: At program point L904-2(lines 899 907) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse2 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4 .cse5 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse6) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse6 .cse7))) [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-3(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-4(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-5(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-6(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-7(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L904-8(lines 899 907) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L740(lines 725 743) the Hoare annotation is: false [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L740-1(lines 725 743) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse4 .cse5 .cse8) (and .cse0 .cse1 .cse2 .cse7 (<= 1 ~waterLevel~0) .cse4 .cse5 .cse8))) [2019-12-07 10:14:11,083 INFO L242 CegarLoopResult]: At program point L740-2(lines 725 743) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L740-3(lines 725 743) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L740-4(lines 725 743) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L740-5(lines 725 743) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L676(lines 669 679) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L676-1(lines 669 679) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)))) [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L676-2(lines 669 679) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L676-3(lines 669 679) the Hoare annotation is: false [2019-12-07 10:14:11,084 INFO L242 CegarLoopResult]: At program point L676-4(lines 669 679) the Hoare annotation is: false [2019-12-07 10:14:11,085 INFO L242 CegarLoopResult]: At program point L676-5(lines 669 679) the Hoare annotation is: false [2019-12-07 10:14:11,085 INFO L246 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2019-12-07 10:14:11,085 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:14:11,085 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 971) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (<= 1 ~waterLevel~0) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1)) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse3 .cse4))) [2019-12-07 10:14:11,085 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:14:11,085 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 971) the Hoare annotation is: false [2019-12-07 10:14:11,085 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 10:14:11,085 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 971) the Hoare annotation is: false [2019-12-07 10:14:11,085 INFO L246 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L944-4(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 950) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L779-1(lines 556 562) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-12-07 10:14:11,086 INFO L246 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L249 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L651-6(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,087 INFO L246 CegarLoopResult]: For program point L651-8(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,088 INFO L246 CegarLoopResult]: For program point L651-10(lines 651 657) no Hoare annotation was computed. [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949(lines 940 953) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949-1(lines 940 953) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse6 (<= ~methaneLevelCritical~0 0)) (.cse8 (<= 0 ~methaneLevelCritical~0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse8) (and .cse5 .cse0 .cse2 .cse7 .cse3 .cse4))) [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949-2(lines 940 953) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949-3(lines 940 953) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949-4(lines 940 953) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L949-5(lines 940 953) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L685(lines 680 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~methaneLevelCritical~0 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L685-1(lines 680 688) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L242 CegarLoopResult]: At program point L685-2(lines 680 688) the Hoare annotation is: false [2019-12-07 10:14:11,088 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:14:11,088 INFO L246 CegarLoopResult]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L588-3(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,089 INFO L246 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point L588-4(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point L588-5(lines 588 605) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L242 CegarLoopResult]: At program point L556(lines 555 574) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)))) [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L242 CegarLoopResult]: At program point L556-2(lines 555 574) the Hoare annotation is: false [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point L523-2(lines 556 562) no Hoare annotation was computed. [2019-12-07 10:14:11,090 INFO L242 CegarLoopResult]: At program point L556-3(lines 555 574) the Hoare annotation is: false [2019-12-07 10:14:11,090 INFO L242 CegarLoopResult]: At program point L94(lines 1 971) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-12-07 10:14:11,090 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L249 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2019-12-07 10:14:11,091 INFO L242 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592-3(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592-4(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L592-5(lines 592 600) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:14:11,091 INFO L246 CegarLoopResult]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-12-07 10:14:11,092 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)) (.cse2 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse6 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse7 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L959(lines 954 962) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 .cse3 .cse4))) [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L959-1(lines 954 962) the Hoare annotation is: false [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L959-2(lines 954 962) the Hoare annotation is: false [2019-12-07 10:14:11,092 INFO L242 CegarLoopResult]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3 .cse6) (and .cse0 .cse5 (<= 1 ~waterLevel~0) .cse2 .cse3 .cse6))) [2019-12-07 10:14:11,093 INFO L242 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: false [2019-12-07 10:14:11,093 INFO L246 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-12-07 10:14:11,093 INFO L242 CegarLoopResult]: At program point L563-2(lines 563 569) the Hoare annotation is: false [2019-12-07 10:14:11,093 INFO L242 CegarLoopResult]: At program point L497-1(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1)) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse3 .cse5) (and .cse0 .cse4 .cse1 .cse2 .cse3 .cse5))) [2019-12-07 10:14:11,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:14:11 BoogieIcfgContainer [2019-12-07 10:14:11,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:14:11,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:14:11,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:14:11,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:14:11,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:14:05" (3/4) ... [2019-12-07 10:14:11,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:14:11,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:14:11,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:14:11,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:14:11,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:14:11,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:14:11,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:14:11,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:14:11,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-12-07 10:14:11,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-12-07 10:14:11,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-12-07 10:14:11,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical <= 0) && \result <= 0) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) [2019-12-07 10:14:11,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 10:14:11,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter [2019-12-07 10:14:11,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((1 == systemActive && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) [2019-12-07 10:14:11,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 == waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-12-07 10:14:11,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-12-07 10:14:11,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-12-07 10:14:11,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_601e9415-9e48-45ce-9ede-1b10d96971ae/bin/uautomizer/witness.graphml [2019-12-07 10:14:11,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:14:11,242 INFO L168 Benchmark]: Toolchain (without parser) took 6790.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 946.0 MB in the beginning and 883.0 MB in the end (delta: 63.1 MB). Peak memory consumption was 270.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:14:11,242 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:14:11,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:14:11,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.39 ms. Allocated memory is still 1.1 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. [2019-12-07 10:14:11,243 INFO L168 Benchmark]: Boogie Preprocessor took 37.76 ms. Allocated memory is still 1.1 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. [2019-12-07 10:14:11,243 INFO L168 Benchmark]: RCFGBuilder took 513.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:14:11,243 INFO L168 Benchmark]: TraceAbstraction took 5710.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 997.9 MB in the beginning and 901.4 MB in the end (delta: 96.4 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:14:11,243 INFO L168 Benchmark]: Witness Printer took 116.68 ms. Allocated memory is still 1.2 GB. Free memory was 901.4 MB in the beginning and 883.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:14:11,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.39 ms. Allocated memory is still 1.1 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 37.76 ms. Allocated memory is still 1.1 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 513.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5710.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 109.6 MB). Free memory was 997.9 MB in the beginning and 901.4 MB in the end (delta: 96.4 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. * Witness Printer took 116.68 ms. Allocated memory is still 1.2 GB. Free memory was 901.4 MB in the beginning and 883.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 == waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 == waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && \result <= 0) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == systemActive) && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((1 == systemActive && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, HoareTripleCheckerStatistics: 1412 SDtfs, 1879 SDslu, 2654 SDs, 0 SdLazy, 364 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 844 HoareAnnotationTreeSize, 54 FomulaSimplifications, 825940 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 99643 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 35425 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 32/42 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...