./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/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 69211a6a9810795915a638c419bc12fc6aa00ac5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:17:44,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:17:44,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:17:44,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:17:44,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:17:44,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:17:44,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:17:44,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:17:44,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:17:44,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:17:44,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:17:44,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:17:44,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:17:44,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:17:44,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:17:44,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:17:44,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:17:44,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:17:44,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:17:44,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:17:44,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:17:44,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:17:44,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:17:44,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:17:44,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:17:44,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:17:44,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:17:44,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:17:44,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:17:44,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:17:44,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:17:44,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:17:44,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:17:44,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:17:44,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:17:44,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:17:44,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:17:44,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:17:44,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:17:44,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:17:44,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:17:44,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:17:44,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:17:44,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:17:44,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:17:44,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:17:44,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:17:44,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:17:44,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:17:44,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:17:44,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:17:44,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:17:44,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:17:44,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:17:44,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:17:44,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:17:44,469 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_bcfe5181-4d88-404d-92c8-41a6a2c838aa/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2019-12-07 17:17:44,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:17:44,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:17:44,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:17:44,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:17:44,582 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:17:44,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-12-07 17:17:44,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/data/3204ea5a8/ed152ccb40ca4b849791bfca6767663b/FLAG4eba7d04a [2019-12-07 17:17:45,019 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:17:45,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-12-07 17:17:45,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/data/3204ea5a8/ed152ccb40ca4b849791bfca6767663b/FLAG4eba7d04a [2019-12-07 17:17:45,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/data/3204ea5a8/ed152ccb40ca4b849791bfca6767663b [2019-12-07 17:17:45,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:17:45,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:17:45,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:17:45,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:17:45,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:17:45,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45, skipping insertion in model container [2019-12-07 17:17:45,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:17:45,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:17:45,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:17:45,685 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:17:45,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:17:45,768 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:17:45,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45 WrapperNode [2019-12-07 17:17:45,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:17:45,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:17:45,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:17:45,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:17:45,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:17:45,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:17:45,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:17:45,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:17:45,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... [2019-12-07 17:17:45,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:17:45,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:17:45,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:17:45,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:17:45,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:17:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:17:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:17:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:17:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:17:46,282 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:17:46,282 INFO L287 CfgBuilder]: Removed 116 assume(true) statements. [2019-12-07 17:17:46,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:17:46 BoogieIcfgContainer [2019-12-07 17:17:46,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:17:46,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:17:46,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:17:46,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:17:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:17:45" (1/3) ... [2019-12-07 17:17:46,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e400d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:17:46, skipping insertion in model container [2019-12-07 17:17:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:17:45" (2/3) ... [2019-12-07 17:17:46,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e400d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:17:46, skipping insertion in model container [2019-12-07 17:17:46,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:17:46" (3/3) ... [2019-12-07 17:17:46,288 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-12-07 17:17:46,294 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:17:46,299 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:17:46,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:17:46,322 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:17:46,322 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:17:46,322 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:17:46,323 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:17:46,323 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:17:46,323 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:17:46,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:17:46,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:17:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-12-07 17:17:46,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:17:46,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:46,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2019-12-07 17:17:46,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736986126] [2019-12-07 17:17:46,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:46,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736986126] [2019-12-07 17:17:46,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:46,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:17:46,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714982092] [2019-12-07 17:17:46,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:17:46,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:46,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:17:46,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:17:46,516 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-12-07 17:17:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:46,534 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-12-07 17:17:46,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:17:46,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 17:17:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:46,543 INFO L225 Difference]: With dead ends: 171 [2019-12-07 17:17:46,543 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 17:17:46,545 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:17:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 17:17:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 17:17:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 17:17:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-12-07 17:17:46,573 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-12-07 17:17:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:46,573 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-12-07 17:17:46,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:17:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-12-07 17:17:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 17:17:46,574 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,574 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] [2019-12-07 17:17:46,574 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2019-12-07 17:17:46,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258211299] [2019-12-07 17:17:46,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:46,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258211299] [2019-12-07 17:17:46,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:46,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:17:46,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997497149] [2019-12-07 17:17:46,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:17:46,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:46,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:17:46,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,642 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-12-07 17:17:46,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:46,651 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-12-07 17:17:46,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:17:46,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 17:17:46,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:46,652 INFO L225 Difference]: With dead ends: 85 [2019-12-07 17:17:46,652 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 17:17:46,653 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 17:17:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 17:17:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 17:17:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-12-07 17:17:46,657 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-12-07 17:17:46,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:46,657 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-12-07 17:17:46,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:17:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-12-07 17:17:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 17:17:46,658 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:46,658 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,658 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2019-12-07 17:17:46,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270592661] [2019-12-07 17:17:46,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:46,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270592661] [2019-12-07 17:17:46,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:46,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:17:46,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90965549] [2019-12-07 17:17:46,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:17:46,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:46,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:17:46,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,716 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2019-12-07 17:17:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:46,745 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-12-07 17:17:46,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:17:46,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 17:17:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:46,747 INFO L225 Difference]: With dead ends: 106 [2019-12-07 17:17:46,747 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 17:17:46,747 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 17:17:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2019-12-07 17:17:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-12-07 17:17:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2019-12-07 17:17:46,757 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2019-12-07 17:17:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:46,757 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2019-12-07 17:17:46,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:17:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2019-12-07 17:17:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 17:17:46,758 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,758 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:46,758 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2019-12-07 17:17:46,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065677520] [2019-12-07 17:17:46,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:46,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065677520] [2019-12-07 17:17:46,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:46,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:17:46,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536935214] [2019-12-07 17:17:46,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:17:46,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:46,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:17:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,794 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2019-12-07 17:17:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:46,820 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2019-12-07 17:17:46,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:17:46,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 17:17:46,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:46,822 INFO L225 Difference]: With dead ends: 178 [2019-12-07 17:17:46,822 INFO L226 Difference]: Without dead ends: 116 [2019-12-07 17:17:46,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-07 17:17:46,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-12-07 17:17:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-12-07 17:17:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2019-12-07 17:17:46,831 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2019-12-07 17:17:46,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:46,831 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2019-12-07 17:17:46,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:17:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2019-12-07 17:17:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 17:17:46,833 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,833 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] [2019-12-07 17:17:46,833 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,833 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2019-12-07 17:17:46,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517566503] [2019-12-07 17:17:46,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:46,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517566503] [2019-12-07 17:17:46,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:46,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:17:46,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086702432] [2019-12-07 17:17:46,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:17:46,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:46,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:17:46,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:17:46,877 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2019-12-07 17:17:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:46,967 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2019-12-07 17:17:46,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:17:46,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 17:17:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:46,969 INFO L225 Difference]: With dead ends: 405 [2019-12-07 17:17:46,969 INFO L226 Difference]: Without dead ends: 298 [2019-12-07 17:17:46,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:17:46,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-12-07 17:17:46,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2019-12-07 17:17:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 17:17:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2019-12-07 17:17:46,982 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2019-12-07 17:17:46,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:46,982 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2019-12-07 17:17:46,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:17:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2019-12-07 17:17:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:17:46,983 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:46,983 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:46,983 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:46,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2019-12-07 17:17:46,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:46,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098578594] [2019-12-07 17:17:46,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098578594] [2019-12-07 17:17:47,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:47,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:17:47,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59311248] [2019-12-07 17:17:47,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:17:47,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:47,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:17:47,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:17:47,024 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2019-12-07 17:17:47,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:47,061 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2019-12-07 17:17:47,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:17:47,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 17:17:47,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:47,063 INFO L225 Difference]: With dead ends: 304 [2019-12-07 17:17:47,063 INFO L226 Difference]: Without dead ends: 199 [2019-12-07 17:17:47,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:17:47,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-12-07 17:17:47,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2019-12-07 17:17:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-12-07 17:17:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2019-12-07 17:17:47,074 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2019-12-07 17:17:47,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:47,074 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2019-12-07 17:17:47,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:17:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2019-12-07 17:17:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:17:47,075 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:47,075 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:47,075 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:47,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2019-12-07 17:17:47,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:47,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541814829] [2019-12-07 17:17:47,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541814829] [2019-12-07 17:17:47,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:47,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:17:47,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952971782] [2019-12-07 17:17:47,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:17:47,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:17:47,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:17:47,110 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2019-12-07 17:17:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:47,139 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2019-12-07 17:17:47,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:17:47,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 17:17:47,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:47,141 INFO L225 Difference]: With dead ends: 283 [2019-12-07 17:17:47,141 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 17:17:47,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:17:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 17:17:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2019-12-07 17:17:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-12-07 17:17:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-12-07 17:17:47,154 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2019-12-07 17:17:47,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:47,155 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-12-07 17:17:47,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:17:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-12-07 17:17:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:17:47,156 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:47,157 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:47,157 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:47,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:47,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2019-12-07 17:17:47,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:47,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573017749] [2019-12-07 17:17:47,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573017749] [2019-12-07 17:17:47,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:47,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:17:47,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105821134] [2019-12-07 17:17:47,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:17:47,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:47,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:17:47,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:47,193 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-12-07 17:17:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:47,216 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2019-12-07 17:17:47,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:17:47,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 17:17:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:47,218 INFO L225 Difference]: With dead ends: 293 [2019-12-07 17:17:47,218 INFO L226 Difference]: Without dead ends: 178 [2019-12-07 17:17:47,218 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:17:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-12-07 17:17:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-12-07 17:17:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-12-07 17:17:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2019-12-07 17:17:47,231 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2019-12-07 17:17:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:47,231 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2019-12-07 17:17:47,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:17:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2019-12-07 17:17:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 17:17:47,233 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:47,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:17:47,233 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:47,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2019-12-07 17:17:47,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:47,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994065475] [2019-12-07 17:17:47,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994065475] [2019-12-07 17:17:47,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:17:47,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:17:47,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161414589] [2019-12-07 17:17:47,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:17:47,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:47,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:17:47,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:17:47,315 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 6 states. [2019-12-07 17:17:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:47,465 INFO L93 Difference]: Finished difference Result 665 states and 913 transitions. [2019-12-07 17:17:47,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:17:47,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 17:17:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:47,468 INFO L225 Difference]: With dead ends: 665 [2019-12-07 17:17:47,468 INFO L226 Difference]: Without dead ends: 550 [2019-12-07 17:17:47,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:17:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-12-07 17:17:47,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 263. [2019-12-07 17:17:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-12-07 17:17:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 346 transitions. [2019-12-07 17:17:47,484 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 346 transitions. Word has length 34 [2019-12-07 17:17:47,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:47,485 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 346 transitions. [2019-12-07 17:17:47,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:17:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 346 transitions. [2019-12-07 17:17:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 17:17:47,486 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:17:47,486 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] [2019-12-07 17:17:47,486 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:17:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:17:47,486 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2019-12-07 17:17:47,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:17:47,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862848343] [2019-12-07 17:17:47,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:17:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862848343] [2019-12-07 17:17:47,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778777261] [2019-12-07 17:17:47,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:17:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:17:47,616 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:17:47,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:17:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:17:47,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:17:47,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 17:17:47,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085276971] [2019-12-07 17:17:47,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:17:47,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:17:47,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:17:47,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:17:47,656 INFO L87 Difference]: Start difference. First operand 263 states and 346 transitions. Second operand 8 states. [2019-12-07 17:17:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:17:47,772 INFO L93 Difference]: Finished difference Result 484 states and 647 transitions. [2019-12-07 17:17:47,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:17:47,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-12-07 17:17:47,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:17:47,773 INFO L225 Difference]: With dead ends: 484 [2019-12-07 17:17:47,773 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:17:47,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:17:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:17:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:17:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:17:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:17:47,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-12-07 17:17:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:17:47,774 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:17:47,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:17:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:17:47,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:17:47,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:17:47,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:17:48,938 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-12-07 17:17:49,124 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-12-07 17:17:49,228 INFO L246 CegarLoopResult]: For program point L894(lines 894 898) no Hoare annotation was computed. [2019-12-07 17:17:49,228 INFO L242 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse0 .cse1))) [2019-12-07 17:17:49,228 INFO L242 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L242 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L846-2(lines 846 856) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L846-4(lines 846 856) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L731-1(lines 731 735) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L246 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2019-12-07 17:17:49,229 INFO L242 CegarLoopResult]: At program point L831(lines 110 116) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 17:17:49,229 INFO L242 CegarLoopResult]: At program point L831-1(lines 110 116) the Hoare annotation is: false [2019-12-07 17:17:49,230 INFO L242 CegarLoopResult]: At program point L831-2(lines 110 116) the Hoare annotation is: false [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L242 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L249 CegarLoopResult]: At program point L800-1(lines 800 807) the Hoare annotation is: true [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2019-12-07 17:17:49,230 INFO L246 CegarLoopResult]: For program point L142-1(lines 142 159) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point L142-2(lines 142 159) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L952(lines 943 956) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= ~waterLevel~0 1) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L952-1(lines 943 956) the Hoare annotation is: false [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L952-2(lines 943 956) the Hoare annotation is: false [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L110(lines 106 128) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L110-1(lines 106 128) the Hoare annotation is: false [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L110-2(lines 106 128) the Hoare annotation is: false [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point L870(lines 870 874) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point L870-3(lines 870 874) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point L870-6(lines 870 874) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:17:49,231 INFO L242 CegarLoopResult]: At program point L821(lines 816 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (or .cse0 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse4 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: false [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2019-12-07 17:17:49,232 INFO L242 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2019-12-07 17:17:49,232 INFO L246 CegarLoopResult]: For program point L146-1(lines 146 154) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L146-2(lines 146 154) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L775(lines 771 777) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L65(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L246 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2019-12-07 17:17:49,233 INFO L242 CegarLoopResult]: At program point L842-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-12-07 17:17:49,234 INFO L249 CegarLoopResult]: At program point L809(lines 790 812) the Hoare annotation is: true [2019-12-07 17:17:49,234 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 859) no Hoare annotation was computed. [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L842-3(lines 1 956) the Hoare annotation is: false [2019-12-07 17:17:49,234 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 859) no Hoare annotation was computed. [2019-12-07 17:17:49,234 INFO L246 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L842-5(lines 1 956) the Hoare annotation is: false [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: false [2019-12-07 17:17:49,234 INFO L246 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2019-12-07 17:17:49,234 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L695-1(lines 1 956) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L117-1(lines 117 123) the Hoare annotation is: false [2019-12-07 17:17:49,234 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 123) the Hoare annotation is: false [2019-12-07 17:17:49,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:17:49 BoogieIcfgContainer [2019-12-07 17:17:49,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:17:49,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:17:49,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:17:49,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:17:49,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:17:46" (3/4) ... [2019-12-07 17:17:49,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:17:49,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 17:17:49,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 17:17:49,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 17:17:49,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:17:49,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:17:49,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:17:49,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:17:49,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 17:17:49,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 17:17:49,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 17:17:49,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 17:17:49,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:17:49,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-12-07 17:17:49,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:17:49,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bcfe5181-4d88-404d-92c8-41a6a2c838aa/bin/uautomizer/witness.graphml [2019-12-07 17:17:49,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:17:49,355 INFO L168 Benchmark]: Toolchain (without parser) took 3957.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 934.4 MB in the beginning and 907.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,355 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:17:49,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,356 INFO L168 Benchmark]: Boogie Preprocessor took 32.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:17:49,356 INFO L168 Benchmark]: RCFGBuilder took 440.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,356 INFO L168 Benchmark]: TraceAbstraction took 2971.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 915.7 MB in the end (delta: 101.7 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,357 INFO L168 Benchmark]: Witness Printer took 97.43 ms. Allocated memory is still 1.2 GB. Free memory was 915.7 MB in the beginning and 907.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:17:49,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 440.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2971.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 915.7 MB in the end (delta: 101.7 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. * Witness Printer took 97.43 ms. Allocated memory is still 1.2 GB. Free memory was 915.7 MB in the beginning and 907.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 235]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 839 SDtfs, 801 SDslu, 1207 SDs, 0 SdLazy, 206 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 166 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 35239 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9014 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 23359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...