./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:00,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:00,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:00,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:00,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:00,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:00,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:00,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:00,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:00,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:00,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:00,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:00,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:00,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:00,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:00,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:00,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:00,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:00,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:00,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:00,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:00,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:00,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:00,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:00,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:00,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:00,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:00,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:00,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:00,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:00,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:00,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:00,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:00,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:00,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:00,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:00,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:00,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:00,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:00,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:00,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:00,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:53:00,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:00,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:00,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:00,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:00,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:00,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:00,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:00,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:00,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:00,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:00,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:00,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:00,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:00,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:00,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:00,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:00,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:00,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:00,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:00,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:00,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:00,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:00,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:00,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:00,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:00,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:00,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:53:00,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:00,334 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_086c374d-3274-49b3-920e-cecc05f2b861/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2019-11-25 08:53:00,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:00,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:00,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:00,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:00,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:00,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-25 08:53:00,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/data/58c66b7b0/4f14518d1b2f4118a3cac6d241232883/FLAG28ec2cac5 [2019-11-25 08:53:01,028 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:01,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-25 08:53:01,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/data/58c66b7b0/4f14518d1b2f4118a3cac6d241232883/FLAG28ec2cac5 [2019-11-25 08:53:01,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/data/58c66b7b0/4f14518d1b2f4118a3cac6d241232883 [2019-11-25 08:53:01,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:01,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:01,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:01,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:01,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:01,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:01" (1/1) ... [2019-11-25 08:53:01,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651c7ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:01, skipping insertion in model container [2019-11-25 08:53:01,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:01" (1/1) ... [2019-11-25 08:53:01,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:01,430 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:01,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:01,964 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:02,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:02,080 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:02,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02 WrapperNode [2019-11-25 08:53:02,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:02,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:02,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:02,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:02,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:02,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:02,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:02,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:02,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... [2019-11-25 08:53:02,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:02,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:02,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:02,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:02,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:53:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:03,125 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:03,125 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-25 08:53:03,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:03 BoogieIcfgContainer [2019-11-25 08:53:03,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:03,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:03,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:03,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:03,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:01" (1/3) ... [2019-11-25 08:53:03,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ec1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:03, skipping insertion in model container [2019-11-25 08:53:03,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:02" (2/3) ... [2019-11-25 08:53:03,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ec1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:03, skipping insertion in model container [2019-11-25 08:53:03,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:03" (3/3) ... [2019-11-25 08:53:03,134 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-11-25 08:53:03,143 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:03,149 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:53:03,159 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:53:03,189 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:03,189 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:03,189 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:03,189 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:03,190 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:03,190 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:03,190 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:03,190 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 08:53:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:53:03,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:03,220 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:03,220 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:03,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:03,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2019-11-25 08:53:03,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:03,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913944614] [2019-11-25 08:53:03,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:03,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913944614] [2019-11-25 08:53:03,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:03,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:03,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190374727] [2019-11-25 08:53:03,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:53:03,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:53:03,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:03,489 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-25 08:53:03,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:03,533 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-11-25 08:53:03,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:53:03,534 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:53:03,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:03,544 INFO L225 Difference]: With dead ends: 276 [2019-11-25 08:53:03,544 INFO L226 Difference]: Without dead ends: 137 [2019-11-25 08:53:03,547 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 [2019-11-25 08:53:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-25 08:53:03,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-25 08:53:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-25 08:53:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-11-25 08:53:03,618 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-11-25 08:53:03,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:03,619 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-11-25 08:53:03,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:53:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-11-25 08:53:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:53:03,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:03,622 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:03,623 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2019-11-25 08:53:03,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:03,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371511705] [2019-11-25 08:53:03,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:03,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371511705] [2019-11-25 08:53:03,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:03,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:03,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326705350] [2019-11-25 08:53:03,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:03,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:03,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:03,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:03,746 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-11-25 08:53:03,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:03,769 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-11-25 08:53:03,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:03,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:53:03,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:03,772 INFO L225 Difference]: With dead ends: 137 [2019-11-25 08:53:03,773 INFO L226 Difference]: Without dead ends: 55 [2019-11-25 08:53:03,775 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 [2019-11-25 08:53:03,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-25 08:53:03,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-25 08:53:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-25 08:53:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-25 08:53:03,789 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-25 08:53:03,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:03,789 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-25 08:53:03,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-25 08:53:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:53:03,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:03,793 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] [2019-11-25 08:53:03,793 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:03,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:03,794 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2019-11-25 08:53:03,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:03,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296051746] [2019-11-25 08:53:03,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:03,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296051746] [2019-11-25 08:53:03,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:03,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:03,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433153460] [2019-11-25 08:53:03,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:03,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:03,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:03,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:03,931 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-25 08:53:03,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:03,990 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-11-25 08:53:03,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:53:03,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-25 08:53:03,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:03,991 INFO L225 Difference]: With dead ends: 104 [2019-11-25 08:53:03,992 INFO L226 Difference]: Without dead ends: 55 [2019-11-25 08:53:03,992 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 [2019-11-25 08:53:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-25 08:53:03,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-25 08:53:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-25 08:53:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-25 08:53:03,998 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-25 08:53:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:03,998 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-25 08:53:03,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-25 08:53:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:53:03,999 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:04,000 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:04,000 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:04,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2019-11-25 08:53:04,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:04,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93277251] [2019-11-25 08:53:04,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:04,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93277251] [2019-11-25 08:53:04,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:04,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:04,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954744681] [2019-11-25 08:53:04,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:04,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:04,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:04,076 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-25 08:53:04,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:04,114 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-11-25 08:53:04,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:04,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:53:04,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:04,117 INFO L225 Difference]: With dead ends: 127 [2019-11-25 08:53:04,117 INFO L226 Difference]: Without dead ends: 78 [2019-11-25 08:53:04,118 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 [2019-11-25 08:53:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-25 08:53:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-25 08:53:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-25 08:53:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-11-25 08:53:04,126 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-11-25 08:53:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:04,127 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-11-25 08:53:04,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-25 08:53:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:53:04,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:04,128 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] [2019-11-25 08:53:04,128 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:04,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2019-11-25 08:53:04,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:04,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126318976] [2019-11-25 08:53:04,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:04,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126318976] [2019-11-25 08:53:04,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:04,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:04,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822084412] [2019-11-25 08:53:04,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:04,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:04,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:04,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:04,240 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-11-25 08:53:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:04,403 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-11-25 08:53:04,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:04,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:53:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:04,407 INFO L225 Difference]: With dead ends: 381 [2019-11-25 08:53:04,408 INFO L226 Difference]: Without dead ends: 311 [2019-11-25 08:53:04,408 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:04,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-25 08:53:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-25 08:53:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-25 08:53:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-11-25 08:53:04,435 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-11-25 08:53:04,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:04,436 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-11-25 08:53:04,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-11-25 08:53:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:04,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:04,439 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] [2019-11-25 08:53:04,440 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:04,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:04,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2019-11-25 08:53:04,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:04,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126890467] [2019-11-25 08:53:04,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:04,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126890467] [2019-11-25 08:53:04,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:04,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:04,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827421295] [2019-11-25 08:53:04,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:04,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:04,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:04,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:04,520 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-11-25 08:53:04,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:04,710 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-11-25 08:53:04,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:04,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:53:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:04,714 INFO L225 Difference]: With dead ends: 561 [2019-11-25 08:53:04,714 INFO L226 Difference]: Without dead ends: 491 [2019-11-25 08:53:04,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-25 08:53:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-25 08:53:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-25 08:53:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-11-25 08:53:04,759 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-11-25 08:53:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:04,762 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-11-25 08:53:04,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-11-25 08:53:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:04,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:04,770 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] [2019-11-25 08:53:04,775 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:04,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:04,776 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2019-11-25 08:53:04,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:04,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302770433] [2019-11-25 08:53:04,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:04,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302770433] [2019-11-25 08:53:04,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:04,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:04,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615593705] [2019-11-25 08:53:04,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:53:04,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:04,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:53:04,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:53:04,836 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-11-25 08:53:04,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:04,937 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-11-25 08:53:04,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:53:04,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-25 08:53:04,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:04,940 INFO L225 Difference]: With dead ends: 569 [2019-11-25 08:53:04,941 INFO L226 Difference]: Without dead ends: 435 [2019-11-25 08:53:04,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-25 08:53:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-11-25 08:53:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-25 08:53:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-11-25 08:53:04,966 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-11-25 08:53:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:04,967 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-11-25 08:53:04,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:53:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-11-25 08:53:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:04,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:04,970 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] [2019-11-25 08:53:04,970 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:04,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:04,971 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2019-11-25 08:53:04,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:04,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383240216] [2019-11-25 08:53:04,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:05,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383240216] [2019-11-25 08:53:05,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:05,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:53:05,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508452953] [2019-11-25 08:53:05,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:53:05,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:05,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:53:05,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:53:05,039 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-11-25 08:53:05,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:05,215 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-11-25 08:53:05,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:53:05,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:53:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:05,219 INFO L225 Difference]: With dead ends: 710 [2019-11-25 08:53:05,219 INFO L226 Difference]: Without dead ends: 531 [2019-11-25 08:53:05,221 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:53:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-11-25 08:53:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-11-25 08:53:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-25 08:53:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-11-25 08:53:05,244 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-11-25 08:53:05,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:05,245 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-11-25 08:53:05,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:53:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-11-25 08:53:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:53:05,246 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:05,246 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:05,246 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:05,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:05,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2019-11-25 08:53:05,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:05,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167765923] [2019-11-25 08:53:05,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:05,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167765923] [2019-11-25 08:53:05,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:05,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:05,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002901394] [2019-11-25 08:53:05,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:53:05,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:05,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:05,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:05,318 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-11-25 08:53:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:05,670 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-11-25 08:53:05,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-25 08:53:05,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-25 08:53:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:05,679 INFO L225 Difference]: With dead ends: 1521 [2019-11-25 08:53:05,679 INFO L226 Difference]: Without dead ends: 1333 [2019-11-25 08:53:05,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-25 08:53:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-11-25 08:53:05,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-11-25 08:53:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-11-25 08:53:05,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-11-25 08:53:05,734 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-11-25 08:53:05,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:05,736 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-11-25 08:53:05,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:53:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-11-25 08:53:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:53:05,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:05,738 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:05,739 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:05,739 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2019-11-25 08:53:05,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:05,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964015168] [2019-11-25 08:53:05,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:05,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964015168] [2019-11-25 08:53:05,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:05,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:05,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228200286] [2019-11-25 08:53:05,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:05,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:05,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:05,804 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-11-25 08:53:06,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:06,004 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-11-25 08:53:06,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:06,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-25 08:53:06,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:06,009 INFO L225 Difference]: With dead ends: 1004 [2019-11-25 08:53:06,009 INFO L226 Difference]: Without dead ends: 630 [2019-11-25 08:53:06,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-25 08:53:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-11-25 08:53:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-25 08:53:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-11-25 08:53:06,052 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-11-25 08:53:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:06,053 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-11-25 08:53:06,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-11-25 08:53:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-25 08:53:06,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:06,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:06,055 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:06,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2019-11-25 08:53:06,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:06,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311920962] [2019-11-25 08:53:06,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:06,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311920962] [2019-11-25 08:53:06,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:06,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:53:06,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884632349] [2019-11-25 08:53:06,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:53:06,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:06,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:53:06,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:53:06,125 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-11-25 08:53:06,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:06,390 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-11-25 08:53:06,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:53:06,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-25 08:53:06,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:06,395 INFO L225 Difference]: With dead ends: 1049 [2019-11-25 08:53:06,395 INFO L226 Difference]: Without dead ends: 717 [2019-11-25 08:53:06,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-25 08:53:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-25 08:53:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-11-25 08:53:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-25 08:53:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-11-25 08:53:06,435 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-11-25 08:53:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:06,435 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-11-25 08:53:06,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:53:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-11-25 08:53:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-25 08:53:06,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:06,437 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-25 08:53:06,437 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2019-11-25 08:53:06,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:06,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423664180] [2019-11-25 08:53:06,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:06,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423664180] [2019-11-25 08:53:06,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:06,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:06,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683927070] [2019-11-25 08:53:06,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:06,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:06,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:06,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:06,491 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-11-25 08:53:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:06,632 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-11-25 08:53:06,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:53:06,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-11-25 08:53:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:06,635 INFO L225 Difference]: With dead ends: 838 [2019-11-25 08:53:06,636 INFO L226 Difference]: Without dead ends: 522 [2019-11-25 08:53:06,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:06,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-11-25 08:53:06,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-11-25 08:53:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-25 08:53:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-11-25 08:53:06,676 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-11-25 08:53:06,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:06,676 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-11-25 08:53:06,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-11-25 08:53:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:53:06,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:06,678 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] [2019-11-25 08:53:06,678 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:06,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:06,679 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2019-11-25 08:53:06,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:06,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470276976] [2019-11-25 08:53:06,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:53:06,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470276976] [2019-11-25 08:53:06,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:06,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:06,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296523934] [2019-11-25 08:53:06,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:06,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:06,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:06,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:06,733 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-11-25 08:53:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:06,837 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-11-25 08:53:06,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:53:06,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 08:53:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:06,840 INFO L225 Difference]: With dead ends: 714 [2019-11-25 08:53:06,841 INFO L226 Difference]: Without dead ends: 490 [2019-11-25 08:53:06,841 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 [2019-11-25 08:53:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-25 08:53:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-11-25 08:53:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-25 08:53:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-11-25 08:53:06,885 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-11-25 08:53:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:06,886 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-11-25 08:53:06,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-11-25 08:53:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:53:06,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:06,888 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] [2019-11-25 08:53:06,888 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:06,888 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2019-11-25 08:53:06,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:06,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372122057] [2019-11-25 08:53:06,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-25 08:53:06,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372122057] [2019-11-25 08:53:06,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304293603] [2019-11-25 08:53:06,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:07,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:53:07,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-25 08:53:07,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:53:07,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-25 08:53:07,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847153689] [2019-11-25 08:53:07,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:53:07,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:07,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:07,153 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-11-25 08:53:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:07,432 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-11-25 08:53:07,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:53:07,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 08:53:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:07,433 INFO L225 Difference]: With dead ends: 1182 [2019-11-25 08:53:07,433 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:53:07,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:53:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:53:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:53:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:53:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:53:07,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-25 08:53:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:07,436 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:07,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:53:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:07,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:53:07,649 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:07,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:53:08,042 WARN L192 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 180 [2019-11-25 08:53:09,034 WARN L192 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 313 [2019-11-25 08:53:09,182 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-25 08:53:09,845 WARN L192 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2019-11-25 08:53:10,582 WARN L192 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-25 08:53:10,863 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-25 08:53:11,021 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 142 [2019-11-25 08:53:11,601 WARN L192 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-25 08:53:11,725 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2019-11-25 08:53:11,924 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-11-25 08:53:12,176 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2019-11-25 08:53:13,150 WARN L192 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2019-11-25 08:53:15,945 WARN L192 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2019-11-25 08:53:16,423 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2019-11-25 08:53:18,214 WARN L192 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 270 DAG size of output: 26 [2019-11-25 08:53:18,698 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2019-11-25 08:53:20,773 WARN L192 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 295 DAG size of output: 25 [2019-11-25 08:53:21,940 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2019-11-25 08:53:22,462 WARN L192 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 26 [2019-11-25 08:53:24,431 WARN L192 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 295 DAG size of output: 25 [2019-11-25 08:53:24,897 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2019-11-25 08:53:25,756 WARN L192 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 39 [2019-11-25 08:53:26,265 WARN L192 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2019-11-25 08:53:27,050 WARN L192 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2019-11-25 08:53:27,195 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2019-11-25 08:53:27,212 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-25 08:53:27,212 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,212 INFO L440 ceAbstractionStarter]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4))) [2019-11-25 08:53:27,212 INFO L440 ceAbstractionStarter]: At program point L895(lines 888 898) the Hoare annotation is: false [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: At program point L895-1(lines 888 898) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse14 (not .cse2)) (.cse5 (<= ~waterLevel~0 1)) (.cse16 (not .cse4)) (.cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse11 (<= ~waterLevel~0 2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse3 .cse6 .cse12 .cse13 .cse0 .cse14 .cse15 .cse7 .cse8 .cse16 .cse9) (and .cse0 .cse14 .cse3 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9) (and .cse1 .cse2 .cse10 .cse11 .cse3 .cse4 .cse6 .cse12 .cse13 .cse0 .cse15 .cse7 .cse8 .cse9)))) [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: At program point L895-2(lines 888 898) the Hoare annotation is: false [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: At program point L895-3(lines 888 898) the Hoare annotation is: false [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: At program point L895-4(lines 888 898) the Hoare annotation is: false [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: At program point L895-5(lines 888 898) the Hoare annotation is: false [2019-11-25 08:53:27,213 INFO L440 ceAbstractionStarter]: 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))) [2019-11-25 08:53:27,213 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 570) no Hoare annotation was computed. [2019-11-25 08:53:27,213 INFO L444 ceAbstractionStarter]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2019-11-25 08:53:27,213 INFO L444 ceAbstractionStarter]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2019-11-25 08:53:27,213 INFO L447 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-25 08:53:27,213 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:53:27,214 INFO L444 ceAbstractionStarter]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:53:27,214 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-25 08:53:27,214 INFO L440 ceAbstractionStarter]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse3 .cse4 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse5 .cse6))) [2019-11-25 08:53:27,214 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2019-11-25 08:53:27,214 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2019-11-25 08:53:27,214 INFO L440 ceAbstractionStarter]: At program point L603(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,214 INFO L440 ceAbstractionStarter]: At program point L603-1(lines 598 606) the Hoare annotation is: (let ((.cse14 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= 0 ~methaneLevelCritical~0))) (let ((.cse7 (not .cse13)) (.cse15 (<= ~waterLevel~0 1)) (.cse11 (not .cse14)) (.cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse6 .cse13 .cse2 .cse14 .cse15 .cse3 .cse9 .cse10 .cse12) (and .cse6 .cse7 .cse2 .cse15 .cse3 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10 .cse12)))) [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-2(lines 598 606) the Hoare annotation is: (let ((.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse4 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (not .cse9)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not .cse10)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse3 .cse10 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse9 .cse3 .cse10 (<= ~waterLevel~0 1) .cse11 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse2 .cse11 .cse6 .cse7 .cse8)))) [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-3(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-4(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-5(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-6(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-7(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L603-8(lines 598 606) the Hoare annotation is: false [2019-11-25 08:53:27,215 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-11-25 08:53:27,217 INFO L444 ceAbstractionStarter]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,218 INFO L444 ceAbstractionStarter]: For program point L870-6(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,218 INFO L444 ceAbstractionStarter]: For program point L870-8(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,218 INFO L444 ceAbstractionStarter]: For program point L870-10(lines 870 876) no Hoare annotation was computed. [2019-11-25 08:53:27,218 INFO L440 ceAbstractionStarter]: At program point L904(lines 899 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:53:27,218 INFO L440 ceAbstractionStarter]: At program point L904-1(lines 899 907) the Hoare annotation is: false [2019-11-25 08:53:27,218 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 899 907) the Hoare annotation is: false [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L673-2(lines 673 693) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L673-4(lines 673 693) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,219 INFO L444 ceAbstractionStarter]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,220 INFO L444 ceAbstractionStarter]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2019-11-25 08:53:27,221 INFO L444 ceAbstractionStarter]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,221 INFO L444 ceAbstractionStarter]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-11-25 08:53:27,221 INFO L440 ceAbstractionStarter]: At program point L775(lines 774 793) 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))) (or (and .cse0 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 2) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-25 08:53:27,221 INFO L444 ceAbstractionStarter]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-11-25 08:53:27,221 INFO L440 ceAbstractionStarter]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-11-25 08:53:27,221 INFO L440 ceAbstractionStarter]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643-1(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643-3(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L643-5(lines 643 649) no Hoare annotation was computed. [2019-11-25 08:53:27,222 INFO L444 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,223 INFO L444 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-11-25 08:53:27,224 INFO L444 ceAbstractionStarter]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,224 INFO L440 ceAbstractionStarter]: At program point L679-1(lines 1 989) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (not .cse9)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse13 (= ~pumpRunning~0 1)) (.cse4 (not .cse10)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not .cse11)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse9 .cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 .cse2 (<= ~waterLevel~0 1) .cse5 .cse6 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse3 .cse12 .cse13 .cse6 .cse8) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse2 .cse5 .cse6 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse13 .cse4 .cse6 .cse7 .cse8)))) [2019-11-25 08:53:27,224 INFO L444 ceAbstractionStarter]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-11-25 08:53:27,224 INFO L444 ceAbstractionStarter]: For program point L679-2(lines 679 692) no Hoare annotation was computed. [2019-11-25 08:53:27,224 INFO L440 ceAbstractionStarter]: At program point L679-3(lines 1 989) the Hoare annotation is: false [2019-11-25 08:53:27,225 INFO L444 ceAbstractionStarter]: For program point L679-4(lines 679 692) no Hoare annotation was computed. [2019-11-25 08:53:27,225 INFO L440 ceAbstractionStarter]: At program point L679-5(lines 1 989) the Hoare annotation is: false [2019-11-25 08:53:27,225 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-25 08:53:27,225 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:53:27,225 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-25 08:53:27,225 INFO L440 ceAbstractionStarter]: At program point L978(lines 963 981) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:53:27,225 INFO L440 ceAbstractionStarter]: At program point L978-1(lines 963 981) the Hoare annotation is: false [2019-11-25 08:53:27,226 INFO L440 ceAbstractionStarter]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2019-11-25 08:53:27,226 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-11-25 08:53:27,226 INFO L440 ceAbstractionStarter]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4))) [2019-11-25 08:53:27,226 INFO L440 ceAbstractionStarter]: At program point L648(lines 639 652) the Hoare annotation is: false [2019-11-25 08:53:27,226 INFO L440 ceAbstractionStarter]: At program point L648-1(lines 639 652) 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))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 .cse3 .cse4))) [2019-11-25 08:53:27,226 INFO L440 ceAbstractionStarter]: At program point L648-2(lines 639 652) the Hoare annotation is: false [2019-11-25 08:53:27,227 INFO L444 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,227 INFO L440 ceAbstractionStarter]: At program point L648-3(lines 639 652) the Hoare annotation is: false [2019-11-25 08:53:27,227 INFO L444 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,227 INFO L440 ceAbstractionStarter]: At program point L648-4(lines 639 652) the Hoare annotation is: false [2019-11-25 08:53:27,227 INFO L440 ceAbstractionStarter]: At program point L648-5(lines 639 652) the Hoare annotation is: false [2019-11-25 08:53:27,227 INFO L444 ceAbstractionStarter]: For program point L549-2(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,228 INFO L440 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse1 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse4 .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5))) [2019-11-25 08:53:27,228 INFO L440 ceAbstractionStarter]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-11-25 08:53:27,228 INFO L440 ceAbstractionStarter]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-11-25 08:53:27,228 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-11-25 08:53:27,228 INFO L444 ceAbstractionStarter]: For program point L683-2(lines 683 689) no Hoare annotation was computed. [2019-11-25 08:53:27,228 INFO L444 ceAbstractionStarter]: For program point L683-4(lines 683 689) no Hoare annotation was computed. [2019-11-25 08:53:27,229 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-25 08:53:27,229 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 775 781) no Hoare annotation was computed. [2019-11-25 08:53:27,229 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:53:27,229 INFO L444 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-11-25 08:53:27,229 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4))) (let ((.cse6 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse7 (= ~pumpRunning~0 1)) (.cse10 (not .cse2)) (.cse12 (not .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse4 .cse5 .cse10 .cse11 .cse8 .cse12 .cse9) (and .cse0 (not .cse1) .cse4 .cse5 .cse6 .cse7 .cse10 .cse8 .cse12 .cse9) (and .cse0 .cse1 .cse5 .cse4 .cse11 .cse8 .cse9)))) [2019-11-25 08:53:27,229 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-3(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-5(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-6(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-8(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,230 INFO L444 ceAbstractionStarter]: For program point L953-9(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L953-11(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L953-12(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L953-14(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L953-15(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L444 ceAbstractionStarter]: For program point L953-17(lines 953 957) no Hoare annotation was computed. [2019-11-25 08:53:27,231 INFO L440 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-11-25 08:53:27,232 INFO L440 ceAbstractionStarter]: At program point L658(lines 653 661) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:53:27,232 INFO L440 ceAbstractionStarter]: At program point L658-1(lines 653 661) the Hoare annotation is: false [2019-11-25 08:53:27,232 INFO L440 ceAbstractionStarter]: At program point L658-2(lines 653 661) the Hoare annotation is: false [2019-11-25 08:53:27,232 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-25 08:53:27,232 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-25 08:53:27,232 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:53:27,233 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-25 08:53:27,233 INFO L440 ceAbstractionStarter]: At program point L166(lines 1 989) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-25 08:53:27,233 INFO L440 ceAbstractionStarter]: At program point L959(lines 944 962) the Hoare annotation is: false [2019-11-25 08:53:27,233 INFO L440 ceAbstractionStarter]: At program point L959-1(lines 944 962) 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))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) .cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 (<= ~waterLevel~0 2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2019-11-25 08:53:27,233 INFO L440 ceAbstractionStarter]: At program point L959-2(lines 944 962) the Hoare annotation is: false [2019-11-25 08:53:27,233 INFO L440 ceAbstractionStarter]: At program point L959-3(lines 944 962) the Hoare annotation is: false [2019-11-25 08:53:27,234 INFO L440 ceAbstractionStarter]: At program point L959-4(lines 944 962) the Hoare annotation is: false [2019-11-25 08:53:27,234 INFO L440 ceAbstractionStarter]: At program point L959-5(lines 944 962) the Hoare annotation is: false [2019-11-25 08:53:27,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:27 BoogieIcfgContainer [2019-11-25 08:53:27,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:27,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:27,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:27,264 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:27,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:03" (3/4) ... [2019-11-25 08:53:27,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:53:27,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:53:27,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:53:27,292 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:53:27,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:53:27,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:53:27,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:27,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:27,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-25 08:53:27,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-25 08:53:27,324 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((\result == 1 && tmp___0 <= 1) && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-25 08:53:27,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,325 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,326 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && !(0 == methaneLevelCritical)) && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-25 08:53:27,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-25 08:53:27,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 0 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-25 08:53:27,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == tmp) && \result == 1) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-25 08:53:27,332 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,333 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 1 == tmp) && 0 == \result) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-25 08:53:27,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_086c374d-3274-49b3-920e-cecc05f2b861/bin/uautomizer/witness.graphml [2019-11-25 08:53:27,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:27,439 INFO L168 Benchmark]: Toolchain (without parser) took 26074.66 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.2 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -351.8 MB). Peak memory consumption was 246.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,439 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:27,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,441 INFO L168 Benchmark]: Boogie Preprocessor took 49.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,441 INFO L168 Benchmark]: RCFGBuilder took 929.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,441 INFO L168 Benchmark]: TraceAbstraction took 24136.09 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 441.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.4 MB). Peak memory consumption was 634.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,442 INFO L168 Benchmark]: Witness Printer took 174.29 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:27,445 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 715.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 929.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24136.09 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 441.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -263.4 MB). Peak memory consumption was 634.1 MB. Max. memory is 11.5 GB. * Witness Printer took 174.29 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: 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: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && !(0 == methaneLevelCritical)) && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && waterLevel <= 2) && 1 == tmp) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == methaneLevelCritical && !(0 == \result)) && waterLevel <= 2) && 0 == \result) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: 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) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == tmp) && \result == 1) && !(0 == \result)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 0 && \result == 1) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((\result == 1 && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && waterLevel <= 2) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((((((!(0 == \result) && waterLevel <= 2) && 1 == tmp) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && !(tmp == 0)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((((0 == \result && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && 1 == tmp) && 0 == \result) && !(tmp == 0)) && \result == 0) && 0 == tmp) && \result == 1) && !(0 == tmp___0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((((\result == 1 && tmp___0 <= 1) && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 1 == tmp) && 0 == \result) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 24.0s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.5s, HoareTripleCheckerStatistics: 1744 SDtfs, 3247 SDslu, 3126 SDs, 0 SdLazy, 458 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 446 NumberOfFragments, 1240 HoareAnnotationTreeSize, 58 FomulaSimplifications, 47843647 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9914771 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 45672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 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...