./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.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_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:16:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:16:39,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:16:39,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:16:39,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:16:39,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:16:39,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:16:39,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:16:39,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:16:39,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:16:39,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:16:39,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:16:39,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:16:39,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:16:39,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:16:39,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:16:39,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:16:39,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:16:39,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:16:39,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:16:39,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:16:39,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:16:39,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:16:39,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:16:39,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:16:39,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:16:39,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:16:39,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:16:39,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:16:39,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:16:39,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:16:39,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:16:39,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:16:39,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:16:39,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:16:39,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:16:39,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:16:39,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:16:39,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:16:39,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:16:39,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:16:39,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:16:39,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:16:39,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:16:39,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:16:39,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:16:39,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:16:39,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:16:39,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:16:39,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:16:39,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:16:39,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:16:39,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:16:39,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:16:39,277 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_b8f9059c-d056-4c2b-8466-83a708998c12/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2019-12-07 16:16:39,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:16:39,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:16:39,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:16:39,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:16:39,386 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:16:39,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2019-12-07 16:16:39,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/data/c5a0a6340/19777cfb41d04615be259db8e864ef7f/FLAG7b0974241 [2019-12-07 16:16:39,891 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:16:39,891 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2019-12-07 16:16:39,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/data/c5a0a6340/19777cfb41d04615be259db8e864ef7f/FLAG7b0974241 [2019-12-07 16:16:39,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/data/c5a0a6340/19777cfb41d04615be259db8e864ef7f [2019-12-07 16:16:39,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:16:39,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:16:39,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:16:39,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:16:39,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:16:39,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:16:39" (1/1) ... [2019-12-07 16:16:39,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efb507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:39, skipping insertion in model container [2019-12-07 16:16:39,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:16:39" (1/1) ... [2019-12-07 16:16:39,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:16:39,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:16:40,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:16:40,182 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:16:40,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:16:40,256 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:16:40,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40 WrapperNode [2019-12-07 16:16:40,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:16:40,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:16:40,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:16:40,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:16:40,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:16:40,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:16:40,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:16:40,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:16:40,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... [2019-12-07 16:16:40,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:16:40,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:16:40,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:16:40,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:16:40,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/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 16:16:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:16:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:16:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:16:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:16:40,956 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:16:40,956 INFO L287 CfgBuilder]: Removed 280 assume(true) statements. [2019-12-07 16:16:40,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:40 BoogieIcfgContainer [2019-12-07 16:16:40,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:16:40,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:16:40,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:16:40,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:16:40,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:16:39" (1/3) ... [2019-12-07 16:16:40,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a2d18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:16:40, skipping insertion in model container [2019-12-07 16:16:40,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:40" (2/3) ... [2019-12-07 16:16:40,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a2d18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:16:40, skipping insertion in model container [2019-12-07 16:16:40,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:40" (3/3) ... [2019-12-07 16:16:40,962 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-12-07 16:16:40,968 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:16:40,973 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:16:40,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:16:40,997 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:16:40,998 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:16:40,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:16:40,998 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:16:40,998 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:16:40,998 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:16:40,998 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:16:40,998 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:16:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-12-07 16:16:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:16:41,016 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,017 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 16:16:41,017 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1825990556, now seen corresponding path program 1 times [2019-12-07 16:16:41,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603017079] [2019-12-07 16:16:41,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,176 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 16:16:41,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603017079] [2019-12-07 16:16:41,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:16:41,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579836505] [2019-12-07 16:16:41,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:16:41,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:16:41,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:16:41,190 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-12-07 16:16:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,217 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2019-12-07 16:16:41,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:16:41,218 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:16:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,227 INFO L225 Difference]: With dead ends: 379 [2019-12-07 16:16:41,227 INFO L226 Difference]: Without dead ends: 189 [2019-12-07 16:16:41,230 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 16:16:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-12-07 16:16:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2019-12-07 16:16:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-12-07 16:16:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2019-12-07 16:16:41,266 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2019-12-07 16:16:41,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,266 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2019-12-07 16:16:41,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:16:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2019-12-07 16:16:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:16:41,267 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,267 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 16:16:41,267 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,268 INFO L82 PathProgramCache]: Analyzing trace with hash -2044826525, now seen corresponding path program 1 times [2019-12-07 16:16:41,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665273843] [2019-12-07 16:16:41,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,332 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 16:16:41,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665273843] [2019-12-07 16:16:41,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:16:41,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197363838] [2019-12-07 16:16:41,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:16:41,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:16:41,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:16:41,335 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2019-12-07 16:16:41,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,347 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2019-12-07 16:16:41,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:16:41,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 16:16:41,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,349 INFO L225 Difference]: With dead ends: 189 [2019-12-07 16:16:41,349 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 16:16:41,350 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 16:16:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 16:16:41,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:16:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:16:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-12-07 16:16:41,355 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2019-12-07 16:16:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,355 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-12-07 16:16:41,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:16:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-12-07 16:16:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:16:41,356 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,356 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 16:16:41,356 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,357 INFO L82 PathProgramCache]: Analyzing trace with hash 2130030647, now seen corresponding path program 1 times [2019-12-07 16:16:41,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661274709] [2019-12-07 16:16:41,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,429 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 16:16:41,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661274709] [2019-12-07 16:16:41,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:16:41,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794607429] [2019-12-07 16:16:41,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:41,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:41,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:41,431 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 5 states. [2019-12-07 16:16:41,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,469 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2019-12-07 16:16:41,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:16:41,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:16:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,471 INFO L225 Difference]: With dead ends: 139 [2019-12-07 16:16:41,471 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 16:16:41,471 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 16:16:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 16:16:41,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:16:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:16:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2019-12-07 16:16:41,477 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2019-12-07 16:16:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,477 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2019-12-07 16:16:41,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2019-12-07 16:16:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 16:16:41,478 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,478 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 16:16:41,478 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1328729652, now seen corresponding path program 1 times [2019-12-07 16:16:41,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238725549] [2019-12-07 16:16:41,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,514 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 16:16:41,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238725549] [2019-12-07 16:16:41,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:16:41,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093161029] [2019-12-07 16:16:41,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:16:41,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:16:41,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:16:41,516 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2019-12-07 16:16:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,546 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2019-12-07 16:16:41,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:16:41,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 16:16:41,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,547 INFO L225 Difference]: With dead ends: 149 [2019-12-07 16:16:41,547 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 16:16:41,548 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 16:16:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 16:16:41,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2019-12-07 16:16:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 16:16:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2019-12-07 16:16:41,555 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2019-12-07 16:16:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,555 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-12-07 16:16:41,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:16:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-12-07 16:16:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:16:41,556 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:41,556 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1714317344, now seen corresponding path program 1 times [2019-12-07 16:16:41,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338121961] [2019-12-07 16:16:41,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,604 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 16:16:41,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338121961] [2019-12-07 16:16:41,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:16:41,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144806188] [2019-12-07 16:16:41,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:41,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:41,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:41,606 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2019-12-07 16:16:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,679 INFO L93 Difference]: Finished difference Result 385 states and 558 transitions. [2019-12-07 16:16:41,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:16:41,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 16:16:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,682 INFO L225 Difference]: With dead ends: 385 [2019-12-07 16:16:41,682 INFO L226 Difference]: Without dead ends: 311 [2019-12-07 16:16:41,683 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 16:16:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-12-07 16:16:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 147. [2019-12-07 16:16:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 16:16:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2019-12-07 16:16:41,697 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 33 [2019-12-07 16:16:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,697 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2019-12-07 16:16:41,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2019-12-07 16:16:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:16:41,698 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:41,699 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1709464728, now seen corresponding path program 1 times [2019-12-07 16:16:41,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283030767] [2019-12-07 16:16:41,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,743 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 16:16:41,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283030767] [2019-12-07 16:16:41,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:16:41,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586924645] [2019-12-07 16:16:41,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:41,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:41,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:41,746 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand 5 states. [2019-12-07 16:16:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,869 INFO L93 Difference]: Finished difference Result 550 states and 785 transitions. [2019-12-07 16:16:41,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:16:41,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:16:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:41,872 INFO L225 Difference]: With dead ends: 550 [2019-12-07 16:16:41,872 INFO L226 Difference]: Without dead ends: 410 [2019-12-07 16:16:41,873 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 16:16:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-12-07 16:16:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 146. [2019-12-07 16:16:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-12-07 16:16:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 205 transitions. [2019-12-07 16:16:41,885 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 205 transitions. Word has length 34 [2019-12-07 16:16:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:41,886 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 205 transitions. [2019-12-07 16:16:41,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2019-12-07 16:16:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:16:41,887 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:41,887 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:41,887 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:41,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:41,898 INFO L82 PathProgramCache]: Analyzing trace with hash 776001019, now seen corresponding path program 1 times [2019-12-07 16:16:41,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:41,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437536650] [2019-12-07 16:16:41,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:41,933 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 16:16:41,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437536650] [2019-12-07 16:16:41,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:41,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:16:41,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051444695] [2019-12-07 16:16:41,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:41,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:41,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:41,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:41,935 INFO L87 Difference]: Start difference. First operand 146 states and 205 transitions. Second operand 5 states. [2019-12-07 16:16:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:41,999 INFO L93 Difference]: Finished difference Result 381 states and 529 transitions. [2019-12-07 16:16:41,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:16:41,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:16:41,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,000 INFO L225 Difference]: With dead ends: 381 [2019-12-07 16:16:42,000 INFO L226 Difference]: Without dead ends: 242 [2019-12-07 16:16:42,001 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 16:16:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-12-07 16:16:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 164. [2019-12-07 16:16:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-12-07 16:16:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2019-12-07 16:16:42,009 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2019-12-07 16:16:42,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,010 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2019-12-07 16:16:42,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2019-12-07 16:16:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:16:42,011 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:42,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:42,011 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:42,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:42,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1477065597, now seen corresponding path program 1 times [2019-12-07 16:16:42,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:42,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27968909] [2019-12-07 16:16:42,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:42,046 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 16:16:42,046 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27968909] [2019-12-07 16:16:42,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:42,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:16:42,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586017342] [2019-12-07 16:16:42,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:16:42,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:42,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:16:42,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:16:42,047 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 6 states. [2019-12-07 16:16:42,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:42,117 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2019-12-07 16:16:42,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:16:42,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 16:16:42,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,119 INFO L225 Difference]: With dead ends: 431 [2019-12-07 16:16:42,119 INFO L226 Difference]: Without dead ends: 274 [2019-12-07 16:16:42,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:16:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-12-07 16:16:42,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2019-12-07 16:16:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-12-07 16:16:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2019-12-07 16:16:42,132 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2019-12-07 16:16:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,133 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2019-12-07 16:16:42,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:16:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2019-12-07 16:16:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:16:42,134 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:42,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:42,134 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash 890259583, now seen corresponding path program 1 times [2019-12-07 16:16:42,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:42,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626525016] [2019-12-07 16:16:42,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:42,164 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 16:16:42,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626525016] [2019-12-07 16:16:42,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:42,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:16:42,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702031566] [2019-12-07 16:16:42,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:16:42,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:16:42,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:16:42,166 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2019-12-07 16:16:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:42,190 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2019-12-07 16:16:42,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:16:42,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 16:16:42,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,192 INFO L225 Difference]: With dead ends: 397 [2019-12-07 16:16:42,192 INFO L226 Difference]: Without dead ends: 228 [2019-12-07 16:16:42,193 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 16:16:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-12-07 16:16:42,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-12-07 16:16:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-12-07 16:16:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-12-07 16:16:42,209 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2019-12-07 16:16:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,209 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-12-07 16:16:42,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:16:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-12-07 16:16:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 16:16:42,210 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:42,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:42,210 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:42,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:42,211 INFO L82 PathProgramCache]: Analyzing trace with hash -505686593, now seen corresponding path program 1 times [2019-12-07 16:16:42,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:42,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305899751] [2019-12-07 16:16:42,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:42,243 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 16:16:42,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305899751] [2019-12-07 16:16:42,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:42,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:16:42,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415828001] [2019-12-07 16:16:42,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:16:42,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:16:42,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:16:42,245 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2019-12-07 16:16:42,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:42,274 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2019-12-07 16:16:42,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:16:42,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 16:16:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,276 INFO L225 Difference]: With dead ends: 365 [2019-12-07 16:16:42,276 INFO L226 Difference]: Without dead ends: 363 [2019-12-07 16:16:42,276 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 16:16:42,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-12-07 16:16:42,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2019-12-07 16:16:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-12-07 16:16:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2019-12-07 16:16:42,288 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2019-12-07 16:16:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,289 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2019-12-07 16:16:42,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:16:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2019-12-07 16:16:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 16:16:42,289 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:42,290 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:42,290 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:42,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:42,290 INFO L82 PathProgramCache]: Analyzing trace with hash 680815253, now seen corresponding path program 1 times [2019-12-07 16:16:42,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:42,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604586415] [2019-12-07 16:16:42,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:42,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604586415] [2019-12-07 16:16:42,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:42,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:16:42,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115038179] [2019-12-07 16:16:42,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:42,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:42,326 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 5 states. [2019-12-07 16:16:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:42,391 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2019-12-07 16:16:42,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:16:42,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-12-07 16:16:42,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,392 INFO L225 Difference]: With dead ends: 436 [2019-12-07 16:16:42,393 INFO L226 Difference]: Without dead ends: 213 [2019-12-07 16:16:42,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 16:16:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-12-07 16:16:42,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-12-07 16:16:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-12-07 16:16:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2019-12-07 16:16:42,403 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2019-12-07 16:16:42,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,403 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2019-12-07 16:16:42,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2019-12-07 16:16:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 16:16:42,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:42,404 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:42,404 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:42,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash 774803910, now seen corresponding path program 1 times [2019-12-07 16:16:42,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:42,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030535426] [2019-12-07 16:16:42,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:16:42,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030535426] [2019-12-07 16:16:42,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:42,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:16:42,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936849705] [2019-12-07 16:16:42,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:16:42,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:42,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:16:42,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:16:42,456 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2019-12-07 16:16:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:42,584 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2019-12-07 16:16:42,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 16:16:42,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-12-07 16:16:42,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:42,585 INFO L225 Difference]: With dead ends: 678 [2019-12-07 16:16:42,585 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:16:42,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:16:42,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:16:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:16:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:16:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:16:42,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-12-07 16:16:42,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:42,586 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:16:42,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:16:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:16:42,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:16:42,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:16:43,308 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 28 [2019-12-07 16:16:43,573 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 28 [2019-12-07 16:16:43,799 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2019-12-07 16:16:44,040 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2019-12-07 16:16:44,243 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2019-12-07 16:16:44,433 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-12-07 16:16:44,881 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2019-12-07 16:16:45,038 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2019-12-07 16:16:45,327 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 26 [2019-12-07 16:16:45,473 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-12-07 16:16:45,481 INFO L242 CegarLoopResult]: At program point L993(lines 988 996) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:16:45,481 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,482 INFO L242 CegarLoopResult]: At program point L763(lines 756 766) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 .cse4))) [2019-12-07 16:16:45,482 INFO L242 CegarLoopResult]: At program point L763-1(lines 756 766) the Hoare annotation is: false [2019-12-07 16:16:45,482 INFO L246 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,482 INFO L242 CegarLoopResult]: At program point L763-2(lines 756 766) the Hoare annotation is: false [2019-12-07 16:16:45,482 INFO L246 CegarLoopResult]: For program point L697-1(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,482 INFO L246 CegarLoopResult]: For program point L697-2(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,482 INFO L246 CegarLoopResult]: For program point L697-3(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L697-4(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L697-5(lines 697 705) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L170-2(lines 170 180) no Hoare annotation was computed. [2019-12-07 16:16:45,483 INFO L246 CegarLoopResult]: For program point L170-4(lines 170 180) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L667-3(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,484 INFO L246 CegarLoopResult]: For program point L667-4(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-5(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-6(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-7(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-8(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-9(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-10(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L667-11(lines 667 684) no Hoare annotation was computed. [2019-12-07 16:16:45,485 INFO L246 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-12-07 16:16:45,486 INFO L246 CegarLoopResult]: For program point L866-3(lines 866 870) no Hoare annotation was computed. [2019-12-07 16:16:45,486 INFO L246 CegarLoopResult]: For program point L866-6(lines 866 870) no Hoare annotation was computed. [2019-12-07 16:16:45,486 INFO L242 CegarLoopResult]: At program point L635(lines 634 653) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 (not (= ~pumpRunning~0 0)) .cse4) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3))) [2019-12-07 16:16:45,486 INFO L246 CegarLoopResult]: For program point L635-1(lines 635 641) no Hoare annotation was computed. [2019-12-07 16:16:45,486 INFO L242 CegarLoopResult]: At program point L635-2(lines 634 653) the Hoare annotation is: false [2019-12-07 16:16:45,486 INFO L242 CegarLoopResult]: At program point L635-3(lines 634 653) the Hoare annotation is: false [2019-12-07 16:16:45,486 INFO L246 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L242 CegarLoopResult]: At program point L603-2(lines 635 641) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse5))) [2019-12-07 16:16:45,487 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point L671-3(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,487 INFO L246 CegarLoopResult]: For program point L671-4(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-5(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-6(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-7(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-8(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-9(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-10(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L671-11(lines 671 679) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L1002(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,488 INFO L246 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,489 INFO L246 CegarLoopResult]: For program point L1002-2(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903(lines 898 906) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 .cse4))) [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903-1(lines 898 906) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse3 .cse4))) [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903-3(lines 898 906) the Hoare annotation is: false [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903-4(lines 898 906) the Hoare annotation is: false [2019-12-07 16:16:45,489 INFO L242 CegarLoopResult]: At program point L903-5(lines 898 906) the Hoare annotation is: false [2019-12-07 16:16:45,490 INFO L242 CegarLoopResult]: At program point L772(lines 767 775) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 (not .cse4) .cse5 .cse6 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse4 .cse3 .cse6 .cse5))) [2019-12-07 16:16:45,490 INFO L242 CegarLoopResult]: At program point L772-1(lines 767 775) the Hoare annotation is: false [2019-12-07 16:16:45,490 INFO L242 CegarLoopResult]: At program point L772-2(lines 767 775) the Hoare annotation is: false [2019-12-07 16:16:45,490 INFO L246 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-12-07 16:16:45,490 INFO L242 CegarLoopResult]: At program point L575-1(lines 575 581) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse7) .cse5) (and .cse0 .cse8 .cse1 .cse7 .cse3 .cse4 .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse3 .cse4 .cse6))) [2019-12-07 16:16:45,490 INFO L246 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L246 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L246 CegarLoopResult]: For program point L840-3(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L246 CegarLoopResult]: For program point L840-5(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L242 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2019-12-07 16:16:45,491 INFO L246 CegarLoopResult]: For program point L840-6(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L242 CegarLoopResult]: At program point L642-1(lines 642 648) the Hoare annotation is: false [2019-12-07 16:16:45,491 INFO L246 CegarLoopResult]: For program point L840-8(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,491 INFO L242 CegarLoopResult]: At program point L642-2(lines 642 648) the Hoare annotation is: false [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-9(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-11(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-12(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-14(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-15(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L840-17(lines 840 844) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L943-1(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L943-2(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,492 INFO L246 CegarLoopResult]: For program point L943-3(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-4(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-5(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-6(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-7(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-8(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-9(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L242 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: false [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-10(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,493 INFO L246 CegarLoopResult]: For program point L943-11(lines 943 949) no Hoare annotation was computed. [2019-12-07 16:16:45,494 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 16:16:45,494 INFO L246 CegarLoopResult]: For program point L878(lines 878 882) no Hoare annotation was computed. [2019-12-07 16:16:45,494 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:16:45,494 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 16:16:45,494 INFO L242 CegarLoopResult]: At program point L846(lines 831 849) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-12-07 16:16:45,494 INFO L242 CegarLoopResult]: At program point L846-1(lines 831 849) the Hoare annotation is: false [2019-12-07 16:16:45,494 INFO L242 CegarLoopResult]: At program point L846-2(lines 831 849) the Hoare annotation is: false [2019-12-07 16:16:45,494 INFO L242 CegarLoopResult]: At program point L846-3(lines 831 849) the Hoare annotation is: false [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L846-4(lines 831 849) the Hoare annotation is: false [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L846-5(lines 831 849) the Hoare annotation is: false [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L155(lines 150 157) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:16:45,495 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 16:16:45,495 INFO L246 CegarLoopResult]: For program point L56-1(lines 635 641) no Hoare annotation was computed. [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L948(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L948-1(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,495 INFO L242 CegarLoopResult]: At program point L948-2(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-3(lines 939 952) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3 .cse4 .cse5))) [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-4(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-5(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-6(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-7(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-8(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-9(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L242 CegarLoopResult]: At program point L948-10(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,496 INFO L246 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-12-07 16:16:45,497 INFO L242 CegarLoopResult]: At program point L948-11(lines 939 952) the Hoare annotation is: false [2019-12-07 16:16:45,497 INFO L242 CegarLoopResult]: At program point L585-1(lines 585 591) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse5))) [2019-12-07 16:16:45,497 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:16:45,497 INFO L246 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-12-07 16:16:45,497 INFO L246 CegarLoopResult]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2019-12-07 16:16:45,497 INFO L246 CegarLoopResult]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2019-12-07 16:16:45,497 INFO L242 CegarLoopResult]: At program point L985(lines 1 1005) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-5(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-8(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-9(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-11(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,498 INFO L246 CegarLoopResult]: For program point L821-12(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-14(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-15(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-17(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-18(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-20(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-21(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-23(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-24(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,499 INFO L246 CegarLoopResult]: For program point L821-26(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-27(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-29(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-30(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-32(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-33(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L821-35(lines 821 825) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2019-12-07 16:16:45,500 INFO L246 CegarLoopResult]: For program point L890(lines 890 894) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693-1(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693-3(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693-4(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L693-5(lines 693 710) no Hoare annotation was computed. [2019-12-07 16:16:45,501 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-12-07 16:16:45,502 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958(lines 953 961) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958-1(lines 953 961) the Hoare annotation is: false [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958-2(lines 953 961) the Hoare annotation is: false [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958-3(lines 953 961) the Hoare annotation is: false [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958-4(lines 953 961) the Hoare annotation is: false [2019-12-07 16:16:45,502 INFO L242 CegarLoopResult]: At program point L958-5(lines 953 961) the Hoare annotation is: false [2019-12-07 16:16:45,502 INFO L246 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-12-07 16:16:45,502 INFO L246 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-12-07 16:16:45,503 INFO L242 CegarLoopResult]: At program point L166-1(lines 1 1005) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse7) .cse5) (and .cse0 .cse8 .cse1 .cse7 .cse3 .cse4 .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse3 .cse4 .cse6))) [2019-12-07 16:16:45,503 INFO L246 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-12-07 16:16:45,503 INFO L242 CegarLoopResult]: At program point L166-3(lines 1 1005) the Hoare annotation is: false [2019-12-07 16:16:45,503 INFO L246 CegarLoopResult]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2019-12-07 16:16:45,503 INFO L242 CegarLoopResult]: At program point L166-5(lines 1 1005) the Hoare annotation is: false [2019-12-07 16:16:45,503 INFO L242 CegarLoopResult]: At program point L827(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,503 INFO L242 CegarLoopResult]: At program point L827-1(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-2(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-3(lines 812 830) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4))) [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-4(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-5(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-6(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-7(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-8(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,504 INFO L242 CegarLoopResult]: At program point L827-9(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,505 INFO L242 CegarLoopResult]: At program point L827-10(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,505 INFO L242 CegarLoopResult]: At program point L827-11(lines 812 830) the Hoare annotation is: false [2019-12-07 16:16:45,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:16:45 BoogieIcfgContainer [2019-12-07 16:16:45,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:16:45,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:16:45,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:16:45,538 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:16:45,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:40" (3/4) ... [2019-12-07 16:16:45,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:16:45,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:16:45,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:16:45,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:16:45,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:16:45,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:16:45,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:16:45,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:16:45,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-12-07 16:16:45,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-12-07 16:16:45,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-12-07 16:16:45,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((tmp == 0 && \result == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 16:16:45,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((tmp == 0 && \result == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 16:16:45,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 16:16:45,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 16:16:45,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 16:16:45,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:16:45,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 16:16:45,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:16:45,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 == \result) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:16:45,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((((\result == 1 && \result == 0) && 1 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:16:45,589 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:16:45,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 16:16:45,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-12-07 16:16:45,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-12-07 16:16:45,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8f9059c-d056-4c2b-8466-83a708998c12/bin/uautomizer/witness.graphml [2019-12-07 16:16:45,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:16:45,650 INFO L168 Benchmark]: Toolchain (without parser) took 5737.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 938.2 MB in the beginning and 1.2 GB in the end (delta: -240.6 MB). Peak memory consumption was 273.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,650 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:16:45,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,651 INFO L168 Benchmark]: Boogie Preprocessor took 39.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,651 INFO L168 Benchmark]: RCFGBuilder took 609.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.8 MB in the end (delta: 89.8 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,651 INFO L168 Benchmark]: TraceAbstraction took 4580.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 976.8 MB in the beginning and 832.1 MB in the end (delta: 144.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,651 INFO L168 Benchmark]: Witness Printer took 110.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 832.1 MB in the beginning and 1.2 GB in the end (delta: -346.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:16:45,653 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 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 609.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.8 MB in the end (delta: 89.8 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4580.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 976.8 MB in the beginning and 832.1 MB in the end (delta: 144.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 832.1 MB in the beginning and 1.2 GB in the end (delta: -346.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: 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: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((((\result == 1 && \result == 0) && 1 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((tmp == 0 && \result == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: (((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((tmp == 0 && \result == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((\result == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || ((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 1 == \result) && 1 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((\result == 1 && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1477 SDtfs, 1991 SDslu, 1913 SDs, 0 SdLazy, 281 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 687 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 254 NumberOfFragments, 1031 HoareAnnotationTreeSize, 68 FomulaSimplifications, 202394 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 40135 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 31732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 42/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...