./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:01:20,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:01:20,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:01:20,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:01:20,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:01:20,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:01:20,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:01:20,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:01:20,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:01:20,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:01:20,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:01:20,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:01:20,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:01:20,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:01:20,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:01:20,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:01:20,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:01:20,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:01:20,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:01:20,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:01:20,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:01:20,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:01:20,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:01:20,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:01:20,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:01:20,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:01:20,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:01:20,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:01:20,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:01:20,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:01:20,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:01:20,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:01:20,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:01:20,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:01:20,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:01:20,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:01:20,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:01:20,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:01:20,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:01:20,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:01:20,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:01:20,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:01:20,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:01:20,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:01:20,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:01:20,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:01:20,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:01:20,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:01:20,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:01:20,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:01:20,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:01:20,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:01:20,937 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_36e33934-e6b3-40fd-9700-0086bd8ac85b/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-12-07 12:01:21,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:01:21,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:01:21,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:01:21,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:01:21,048 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:01:21,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 12:01:21,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/data/3a6071518/dd13f53737a64173a15afc3336ce5b00/FLAGafd594695 [2019-12-07 12:01:21,549 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:01:21,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-12-07 12:01:21,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/data/3a6071518/dd13f53737a64173a15afc3336ce5b00/FLAGafd594695 [2019-12-07 12:01:21,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/data/3a6071518/dd13f53737a64173a15afc3336ce5b00 [2019-12-07 12:01:21,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:01:21,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:01:21,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:21,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:01:21,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:01:21,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,575 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 12:01:21, skipping insertion in model container [2019-12-07 12:01:21,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:01:21,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:01:21,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:21,837 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:01:21,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:21,928 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:01:21,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21 WrapperNode [2019-12-07 12:01:21,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:21,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:21,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:01:21,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:01:21,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:21,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:01:21,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:01:21,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:01:21,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:21,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:22,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:22,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:22,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... [2019-12-07 12:01:22,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:01:22,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:01:22,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:01:22,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:01:22,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/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 12:01:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:01:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:01:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:01:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:01:22,569 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:01:22,569 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-12-07 12:01:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:22 BoogieIcfgContainer [2019-12-07 12:01:22,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:01:22,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:01:22,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:01:22,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:01:22,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:01:21" (1/3) ... [2019-12-07 12:01:22,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7588e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:22, skipping insertion in model container [2019-12-07 12:01:22,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:21" (2/3) ... [2019-12-07 12:01:22,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7588e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:22, skipping insertion in model container [2019-12-07 12:01:22,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:22" (3/3) ... [2019-12-07 12:01:22,575 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-12-07 12:01:22,581 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:01:22,586 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:01:22,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:01:22,609 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:01:22,609 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:01:22,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:01:22,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:01:22,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:01:22,609 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:01:22,609 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:01:22,610 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:01:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-12-07 12:01:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:01:22,627 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:22,627 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:22,627 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:22,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:22,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2019-12-07 12:01:22,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:22,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464066255] [2019-12-07 12:01:22,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:22,789 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 12:01:22,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464066255] [2019-12-07 12:01:22,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:22,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:01:22,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241739435] [2019-12-07 12:01:22,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:01:22,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:22,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:01:22,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:01:22,804 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-12-07 12:01:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:22,826 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-12-07 12:01:22,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:01:22,827 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:01:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:22,835 INFO L225 Difference]: With dead ends: 275 [2019-12-07 12:01:22,835 INFO L226 Difference]: Without dead ends: 137 [2019-12-07 12:01:22,838 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 12:01:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-12-07 12:01:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-12-07 12:01:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-12-07 12:01:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-12-07 12:01:22,870 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-12-07 12:01:22,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:22,870 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-12-07 12:01:22,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:01:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-12-07 12:01:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:01:22,871 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:22,871 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:22,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:22,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:22,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2019-12-07 12:01:22,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:22,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486184031] [2019-12-07 12:01:22,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:22,933 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 12:01:22,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486184031] [2019-12-07 12:01:22,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:22,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:01:22,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523119084] [2019-12-07 12:01:22,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:22,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:22,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:22,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:22,935 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-12-07 12:01:22,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:22,944 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-12-07 12:01:22,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:22,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 12:01:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:22,946 INFO L225 Difference]: With dead ends: 137 [2019-12-07 12:01:22,946 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 12:01:22,946 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 12:01:22,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 12:01:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 12:01:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 12:01:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-12-07 12:01:22,951 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-12-07 12:01:22,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:22,951 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-12-07 12:01:22,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-12-07 12:01:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:01:22,952 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:22,952 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 12:01:22,952 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2019-12-07 12:01:22,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:22,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657446288] [2019-12-07 12:01:22,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:22,998 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 12:01:22,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657446288] [2019-12-07 12:01:22,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:22,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:01:22,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373542855] [2019-12-07 12:01:22,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:22,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:22,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:23,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:23,000 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2019-12-07 12:01:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,031 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2019-12-07 12:01:23,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:23,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:01:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,033 INFO L225 Difference]: With dead ends: 157 [2019-12-07 12:01:23,033 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 12:01:23,034 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 12:01:23,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 12:01:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-12-07 12:01:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-12-07 12:01:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2019-12-07 12:01:23,046 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2019-12-07 12:01:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,046 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2019-12-07 12:01:23,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2019-12-07 12:01:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:01:23,047 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,047 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] [2019-12-07 12:01:23,048 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2019-12-07 12:01:23,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945709705] [2019-12-07 12:01:23,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,097 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 12:01:23,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945709705] [2019-12-07 12:01:23,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:01:23,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198446387] [2019-12-07 12:01:23,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:23,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:23,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:23,099 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2019-12-07 12:01:23,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,132 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2019-12-07 12:01:23,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:23,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 12:01:23,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,134 INFO L225 Difference]: With dead ends: 242 [2019-12-07 12:01:23,134 INFO L226 Difference]: Without dead ends: 146 [2019-12-07 12:01:23,135 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 12:01:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-12-07 12:01:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-12-07 12:01:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 12:01:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2019-12-07 12:01:23,148 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2019-12-07 12:01:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,148 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2019-12-07 12:01:23,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2019-12-07 12:01:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 12:01:23,149 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,149 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] [2019-12-07 12:01:23,150 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,150 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2019-12-07 12:01:23,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325820077] [2019-12-07 12:01:23,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,203 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 12:01:23,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325820077] [2019-12-07 12:01:23,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:01:23,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368391190] [2019-12-07 12:01:23,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:01:23,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:01:23,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:01:23,205 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2019-12-07 12:01:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,303 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2019-12-07 12:01:23,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:01:23,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 12:01:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,307 INFO L225 Difference]: With dead ends: 756 [2019-12-07 12:01:23,307 INFO L226 Difference]: Without dead ends: 619 [2019-12-07 12:01:23,308 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 12:01:23,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-12-07 12:01:23,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2019-12-07 12:01:23,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-12-07 12:01:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2019-12-07 12:01:23,330 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2019-12-07 12:01:23,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,330 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2019-12-07 12:01:23,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:01:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2019-12-07 12:01:23,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 12:01:23,331 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,332 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] [2019-12-07 12:01:23,332 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,332 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2019-12-07 12:01:23,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041194060] [2019-12-07 12:01:23,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,375 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 12:01:23,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041194060] [2019-12-07 12:01:23,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:01:23,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841551417] [2019-12-07 12:01:23,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:01:23,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:01:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:01:23,377 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2019-12-07 12:01:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,498 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2019-12-07 12:01:23,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:01:23,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 12:01:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,503 INFO L225 Difference]: With dead ends: 1029 [2019-12-07 12:01:23,503 INFO L226 Difference]: Without dead ends: 769 [2019-12-07 12:01:23,504 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 12:01:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-12-07 12:01:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2019-12-07 12:01:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-12-07 12:01:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2019-12-07 12:01:23,531 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2019-12-07 12:01:23,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,531 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2019-12-07 12:01:23,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:01:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2019-12-07 12:01:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:01:23,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,533 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, 1] [2019-12-07 12:01:23,533 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2019-12-07 12:01:23,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162498547] [2019-12-07 12:01:23,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,569 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 12:01:23,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162498547] [2019-12-07 12:01:23,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:01:23,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459473871] [2019-12-07 12:01:23,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:01:23,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:01:23,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:01:23,571 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2019-12-07 12:01:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,636 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2019-12-07 12:01:23,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:01:23,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-12-07 12:01:23,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,640 INFO L225 Difference]: With dead ends: 773 [2019-12-07 12:01:23,640 INFO L226 Difference]: Without dead ends: 515 [2019-12-07 12:01:23,640 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 12:01:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-12-07 12:01:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2019-12-07 12:01:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-12-07 12:01:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2019-12-07 12:01:23,657 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2019-12-07 12:01:23,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,657 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-12-07 12:01:23,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:01:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2019-12-07 12:01:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:01:23,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,658 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, 1] [2019-12-07 12:01:23,658 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2019-12-07 12:01:23,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748368993] [2019-12-07 12:01:23,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,691 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 12:01:23,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748368993] [2019-12-07 12:01:23,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:01:23,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433950400] [2019-12-07 12:01:23,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:01:23,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:01:23,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:01:23,693 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2019-12-07 12:01:23,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,762 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2019-12-07 12:01:23,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:01:23,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 12:01:23,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,765 INFO L225 Difference]: With dead ends: 735 [2019-12-07 12:01:23,765 INFO L226 Difference]: Without dead ends: 461 [2019-12-07 12:01:23,766 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 12:01:23,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-12-07 12:01:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2019-12-07 12:01:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-12-07 12:01:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2019-12-07 12:01:23,787 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2019-12-07 12:01:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,787 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2019-12-07 12:01:23,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:01:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2019-12-07 12:01:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:01:23,788 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,788 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, 1] [2019-12-07 12:01:23,789 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,789 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2019-12-07 12:01:23,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178308843] [2019-12-07 12:01:23,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,822 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 12:01:23,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178308843] [2019-12-07 12:01:23,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:01:23,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493146373] [2019-12-07 12:01:23,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:23,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:23,824 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2019-12-07 12:01:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:23,855 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2019-12-07 12:01:23,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:23,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-12-07 12:01:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:23,857 INFO L225 Difference]: With dead ends: 707 [2019-12-07 12:01:23,857 INFO L226 Difference]: Without dead ends: 409 [2019-12-07 12:01:23,858 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 12:01:23,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-12-07 12:01:23,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-12-07 12:01:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-12-07 12:01:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-12-07 12:01:23,875 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2019-12-07 12:01:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:23,875 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-12-07 12:01:23,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-12-07 12:01:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 12:01:23,876 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:23,876 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, 1, 1] [2019-12-07 12:01:23,877 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:23,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:23,877 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2019-12-07 12:01:23,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:23,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606455284] [2019-12-07 12:01:23,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:23,929 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 12:01:23,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606455284] [2019-12-07 12:01:23,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:23,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 12:01:23,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374329587] [2019-12-07 12:01:23,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:01:23,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:23,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:01:23,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:01:23,930 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 8 states. [2019-12-07 12:01:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:24,328 INFO L93 Difference]: Finished difference Result 1716 states and 2260 transitions. [2019-12-07 12:01:24,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-07 12:01:24,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-12-07 12:01:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:24,335 INFO L225 Difference]: With dead ends: 1716 [2019-12-07 12:01:24,335 INFO L226 Difference]: Without dead ends: 1314 [2019-12-07 12:01:24,337 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2019-12-07 12:01:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-12-07 12:01:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 409. [2019-12-07 12:01:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-12-07 12:01:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2019-12-07 12:01:24,371 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2019-12-07 12:01:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:24,371 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2019-12-07 12:01:24,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:01:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2019-12-07 12:01:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 12:01:24,372 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:24,373 INFO L410 BasicCegarLoop]: trace histogram [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, 1] [2019-12-07 12:01:24,373 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2019-12-07 12:01:24,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:24,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604107894] [2019-12-07 12:01:24,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 12:01:24,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604107894] [2019-12-07 12:01:24,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:24,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:01:24,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497664844] [2019-12-07 12:01:24,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:24,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:24,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:24,401 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2019-12-07 12:01:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:24,451 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2019-12-07 12:01:24,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:24,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-07 12:01:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:24,452 INFO L225 Difference]: With dead ends: 692 [2019-12-07 12:01:24,453 INFO L226 Difference]: Without dead ends: 290 [2019-12-07 12:01:24,453 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 12:01:24,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-12-07 12:01:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2019-12-07 12:01:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-12-07 12:01:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2019-12-07 12:01:24,467 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2019-12-07 12:01:24,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:24,467 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2019-12-07 12:01:24,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2019-12-07 12:01:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 12:01:24,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:24,468 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, 1, 1] [2019-12-07 12:01:24,468 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:24,468 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2019-12-07 12:01:24,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:24,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797983935] [2019-12-07 12:01:24,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:24,501 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 12:01:24,501 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797983935] [2019-12-07 12:01:24,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:24,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:01:24,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307008003] [2019-12-07 12:01:24,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:01:24,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:24,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:01:24,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:01:24,502 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2019-12-07 12:01:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:24,551 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2019-12-07 12:01:24,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:01:24,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-12-07 12:01:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:24,554 INFO L225 Difference]: With dead ends: 413 [2019-12-07 12:01:24,554 INFO L226 Difference]: Without dead ends: 411 [2019-12-07 12:01:24,554 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 12:01:24,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-12-07 12:01:24,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2019-12-07 12:01:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-07 12:01:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2019-12-07 12:01:24,572 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2019-12-07 12:01:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:24,572 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2019-12-07 12:01:24,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:01:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2019-12-07 12:01:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 12:01:24,573 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:24,573 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:24,573 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:24,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:24,573 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2019-12-07 12:01:24,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:24,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107614059] [2019-12-07 12:01:24,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 12:01:24,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107614059] [2019-12-07 12:01:24,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:24,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:01:24,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538463224] [2019-12-07 12:01:24,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:01:24,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:01:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:01:24,672 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2019-12-07 12:01:24,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:24,788 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2019-12-07 12:01:24,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:01:24,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-12-07 12:01:24,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:24,792 INFO L225 Difference]: With dead ends: 845 [2019-12-07 12:01:24,792 INFO L226 Difference]: Without dead ends: 632 [2019-12-07 12:01:24,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:01:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-12-07 12:01:24,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2019-12-07 12:01:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-12-07 12:01:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2019-12-07 12:01:24,826 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2019-12-07 12:01:24,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:24,827 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2019-12-07 12:01:24,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:01:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2019-12-07 12:01:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 12:01:24,828 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:24,828 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:24,828 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:24,829 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2019-12-07 12:01:24,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:24,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250760328] [2019-12-07 12:01:24,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:24,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250760328] [2019-12-07 12:01:24,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483331934] [2019-12-07 12:01:24,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/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 12:01:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:24,979 INFO L264 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:01:24,985 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:01:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:25,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:01:25,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-12-07 12:01:25,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644645783] [2019-12-07 12:01:25,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:01:25,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:25,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:01:25,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:01:25,009 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2019-12-07 12:01:25,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:25,150 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2019-12-07 12:01:25,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:01:25,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-12-07 12:01:25,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:25,153 INFO L225 Difference]: With dead ends: 1262 [2019-12-07 12:01:25,153 INFO L226 Difference]: Without dead ends: 867 [2019-12-07 12:01:25,154 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:01:25,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-12-07 12:01:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-12-07 12:01:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-12-07 12:01:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2019-12-07 12:01:25,236 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2019-12-07 12:01:25,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:25,236 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2019-12-07 12:01:25,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:01:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2019-12-07 12:01:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 12:01:25,238 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:25,238 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:25,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:01:25,439 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:25,439 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2019-12-07 12:01:25,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:25,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137855866] [2019-12-07 12:01:25,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 12:01:25,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137855866] [2019-12-07 12:01:25,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:25,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:01:25,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146283963] [2019-12-07 12:01:25,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:01:25,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:25,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:01:25,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:01:25,476 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2019-12-07 12:01:25,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:25,557 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2019-12-07 12:01:25,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:01:25,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-12-07 12:01:25,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:25,560 INFO L225 Difference]: With dead ends: 1598 [2019-12-07 12:01:25,561 INFO L226 Difference]: Without dead ends: 748 [2019-12-07 12:01:25,562 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 12:01:25,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-12-07 12:01:25,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-12-07 12:01:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-12-07 12:01:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2019-12-07 12:01:25,601 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2019-12-07 12:01:25,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:25,601 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2019-12-07 12:01:25,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:01:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2019-12-07 12:01:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-07 12:01:25,602 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:25,602 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:25,602 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:25,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2019-12-07 12:01:25,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:01:25,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118536173] [2019-12-07 12:01:25,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 12:01:25,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118536173] [2019-12-07 12:01:25,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:25,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 12:01:25,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745095993] [2019-12-07 12:01:25,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:01:25,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:01:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:01:25,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:01:25,678 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2019-12-07 12:01:25,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:25,862 INFO L93 Difference]: Finished difference Result 992 states and 1252 transitions. [2019-12-07 12:01:25,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:01:25,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-12-07 12:01:25,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:25,862 INFO L225 Difference]: With dead ends: 992 [2019-12-07 12:01:25,862 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:01:25,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:01:25,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:01:25,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:01:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:01:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:01:25,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-12-07 12:01:25,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:25,864 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:01:25,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:01:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:01:25,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:01:25,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:01:26,132 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 166 [2019-12-07 12:01:26,329 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2019-12-07 12:01:26,512 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 162 [2019-12-07 12:01:26,667 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 163 [2019-12-07 12:01:26,782 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 115 [2019-12-07 12:01:27,068 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 212 [2019-12-07 12:01:27,410 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 217 [2019-12-07 12:01:27,643 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 217 [2019-12-07 12:01:27,804 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2019-12-07 12:01:28,046 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 204 [2019-12-07 12:01:28,187 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2019-12-07 12:01:28,375 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-12-07 12:01:28,949 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 39 [2019-12-07 12:01:29,463 WARN L192 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2019-12-07 12:01:30,367 WARN L192 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 33 [2019-12-07 12:01:30,684 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2019-12-07 12:01:31,114 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2019-12-07 12:01:31,576 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-12-07 12:01:32,933 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 207 DAG size of output: 31 [2019-12-07 12:01:34,699 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2019-12-07 12:01:35,638 WARN L192 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 38 [2019-12-07 12:01:36,321 WARN L192 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2019-12-07 12:01:36,483 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2019-12-07 12:01:37,147 WARN L192 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2019-12-07 12:01:37,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse7 .cse1 .cse2))) [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 12:01:37,153 INFO L246 CegarLoopResult]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 12:01:37,153 INFO L242 CegarLoopResult]: At program point L995-1(lines 1 1015) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-12-07 12:01:37,154 INFO L246 CegarLoopResult]: For program point L995-2(lines 995 1012) no Hoare annotation was computed. [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L995-3(lines 1 1015) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L246 CegarLoopResult]: For program point L995-4(lines 995 1012) no Hoare annotation was computed. [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L995-5(lines 1 1015) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4))) [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2019-12-07 12:01:37,154 INFO L242 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L999-2(lines 999 1009) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867(lines 860 870) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L999-4(lines 999 1009) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867-1(lines 860 870) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867-2(lines 860 870) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867-3(lines 860 870) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867-4(lines 860 870) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L242 CegarLoopResult]: At program point L867-5(lines 860 870) the Hoare annotation is: false [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 12:01:37,155 INFO L246 CegarLoopResult]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L176-1(lines 747 753) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 12:01:37,156 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 12:01:37,156 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-12-07 12:01:37,156 INFO L246 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L842-6(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L842-8(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L842-10(lines 842 848) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L242 CegarLoopResult]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~systemActive~0)))) [2019-12-07 12:01:37,157 INFO L242 CegarLoopResult]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2019-12-07 12:01:37,157 INFO L242 CegarLoopResult]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2019-12-07 12:01:37,157 INFO L246 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-12-07 12:01:37,157 INFO L242 CegarLoopResult]: At program point L349-1(lines 747 753) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse6 .cse4 .cse7 .cse5) (and .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5))) [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L249 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779-3(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779-4(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point L779-5(lines 779 796) no Hoare annotation was computed. [2019-12-07 12:01:37,158 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L242 CegarLoopResult]: At program point L747(lines 746 765) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse6 .cse1 .cse4 .cse2 .cse5))) [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L242 CegarLoopResult]: At program point L747-2(lines 746 765) the Hoare annotation is: false [2019-12-07 12:01:37,159 INFO L242 CegarLoopResult]: At program point L747-3(lines 746 765) the Hoare annotation is: false [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L242 CegarLoopResult]: At program point L286(lines 1 1015) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 12:01:37,159 INFO L242 CegarLoopResult]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,159 INFO L246 CegarLoopResult]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point L783-3(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point L783-4(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point L783-5(lines 783 791) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L321-1(lines 321 327) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-12-07 12:01:37,160 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ~systemActive~0)) (.cse6 (not .cse1)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse8 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse6 .cse4 .cse7 .cse5) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse8 .cse2 .cse3 .cse6 .cse7 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,160 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L950(lines 935 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse4 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L984(lines 979 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse2 .cse6))) [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L754-1(lines 754 760) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L242 CegarLoopResult]: At program point L754-2(lines 754 760) the Hoare annotation is: false [2019-12-07 12:01:37,161 INFO L249 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2019-12-07 12:01:37,161 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 12:01:37,162 INFO L242 CegarLoopResult]: At program point L361(lines 310 362) the Hoare annotation is: false [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-12-07 12:01:37,162 INFO L242 CegarLoopResult]: At program point L958-1(lines 958 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2019-12-07 12:01:37,162 INFO L246 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L246 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-12-07 12:01:37,163 INFO L242 CegarLoopResult]: At program point L331-1(lines 331 337) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse6 .cse4 .cse8 .cse5) (and .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5))) [2019-12-07 12:01:37,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:01:37 BoogieIcfgContainer [2019-12-07 12:01:37,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:01:37,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:01:37,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:01:37,191 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:01:37,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:22" (3/4) ... [2019-12-07 12:01:37,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:01:37,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:01:37,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:01:37,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:01:37,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:01:37,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:01:37,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:01:37,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:01:37,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 12:01:37,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 12:01:37,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 12:01:37,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 12:01:37,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 12:01:37,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-12-07 12:01:37,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 12:01:37,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 12:01:37,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 12:01:37,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 12:01:37,284 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36e33934-e6b3-40fd-9700-0086bd8ac85b/bin/uautomizer/witness.graphml [2019-12-07 12:01:37,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:01:37,285 INFO L168 Benchmark]: Toolchain (without parser) took 15715.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 390.6 MB). Free memory was 945.2 MB in the beginning and 956.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 379.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,285 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:01:37,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,286 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,286 INFO L168 Benchmark]: RCFGBuilder took 548.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,286 INFO L168 Benchmark]: TraceAbstraction took 14619.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 232.3 MB). Free memory was 1.1 GB in the beginning and 980.7 MB in the end (delta: 78.6 MB). Peak memory consumption was 428.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,287 INFO L168 Benchmark]: Witness Printer took 93.71 ms. Allocated memory is still 1.4 GB. Free memory was 980.7 MB in the beginning and 956.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:37,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 548.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14619.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 232.3 MB). Free memory was 1.1 GB in the beginning and 980.7 MB in the end (delta: 78.6 MB). Peak memory consumption was 428.7 MB. Max. memory is 11.5 GB. * Witness Printer took 93.71 ms. Allocated memory is still 1.4 GB. Free memory was 980.7 MB in the beginning and 956.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: 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: 86]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || (((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, HoareTripleCheckerStatistics: 1962 SDtfs, 2326 SDslu, 3607 SDs, 0 SdLazy, 483 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 2855 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 300 NumberOfFragments, 1178 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9132913 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1426421 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 81976 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 263/289 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...